edu.cn | DNSViz

edu.cn

Updated: 2026-03-28 11:50:25 UTC (6 days ago) Update now

DNS Server Responses

Responses for edu.cn/DS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	a.dns.cn. (2001:dc7::1)	a.dns.cn. (203.119.25.1)	b.dns.cn. (203.119.26.1)	b.dns.cn. (2001:dc7:1::1)	c.dns.cn. (2001:dc7:2::1)	c.dns.cn. (203.119.27.1)	d.dns.cn. (2001:dc7:1000::1)	d.dns.cn. (203.119.28.1)	e.dns.cn. (203.119.29.1)	e.dns.cn. (2001:dc7:3::1)	ns.cernet.net. (103.137.60.44)	ns.cernet.net. (2001:dd9::44)	ns.cernet.net. (202.112.0.44)	ns.cernet.net. (2001:250:c006::44)	ns.cernet.net. (2001:da8:1:100::44)
edu.cn	86400	DS	15397 8 2 3a6c89d32b3143d193521ce64389548821da90f770ab09ecd9c8680b2f4848b5	OK	Y	Y	Y		Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	86400	RRSIG	DS 8 2 86400 20260414041642 20260315040159 55980 cn. DZwfYr1K0/10q/yx8oJS/JlIxCVS+4PJ +HyATe/2fgW4ZMZbEBDRw8zK2qkWRGtl EZuaaCsRkbg7dzTBaU5ZQayd0MkIXGaE U8a/vCOLxu88zwdx3XOPo6t4SzMt10Zr p3f7aNz6t6BGGMsuyuiGiIvzWcl6QJST lVGbQWgebjE=	VALID	Y	Y	Y		Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1	2/0/1		2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1
Response size (bytes)				OK	245	245	245		245	245	245	245	245	245	273	273	273	273	273
Response time (ms)				OK	47	172	91		209	107	46	48	289	209	464	289	465	462	288

Responses for edu.cn/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	7200	DNSKEY	256 3 8 AwEAAaw7Q5FklMT+Frgic5QeFqv3th/6 uHtVRRhQafiqrk1/NdgE23XLGCf+toVf WgZ6tukiIBoM3Fup9CTGtXpZBrhzN2RA JIoYxMX5VLRnlHT7s5Lvcv3sXhXsgtv0 UP/1Y7Ql5q0E4dJamlcFHhBwSgU6WwdQ YouWL8NzKVLuCy9gcislS2HcbUDwC6oW w0cauJq36fRbZuC7ElBQKC0QM1i0qqKh u/t+yFWOmzZiFhqVYo/AxOOVsy+BHan1 qPn61QlYxyLszINlPFOxiDCUKJUqC2DS BUcDoznMNunU9eUkLSd/nnPmtcVKFw/g QEXowpM8/J3Md8OG3sPxUD/Itek= ; key tag = 44583 257 3 8 AwEAAdkXpELr8ax9Gu8CRfA7Iux8G32u sl8Lgs917ZELiWaoZgufgNALQHLSffJP bnZ/Qg6BPKB0RkhnUNX6066yLo3evWQB 6keio+JW/CHXF2orSgt1T+zDUqSKeE5M c4uPeq+nFmpP6SFbSz82IMlEYylbfvxB j16TqP5uNPAKN8MCm2gFNRjTx8/e8BZQ 93OwrfyBTJWkBWsaUUIUwhLqKtJuEovJ ZnvaNctOcKpJRk1FM0/swxVt1b4I7iLU JKBMSEIGeZvw72SnvqicqVOOLoE8NWTR zJMWs8RrrJp9OFy28O6fnwCR57cDpQQl HdvpIBsxiHPKGfcqRoX6gDqf7qs= ; key tag = 15397	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	7200	RRSIG	DNSKEY 8 2 7200 20260406012718 20260323005041 15397 edu.cn. vw6I3WV4C7XS8xkJzpMRrXj/gGeMQLyE BC7jjcaOj9Dhp8PwpvrBVrmaNVT2NsGT O2NFHL4fEL+zYKgBrilp2gmKtzCoRZ1s nuRXPZeYaO7CsWqsnGcSK0Kl+7/WSJfp HM5P2F32FoaSYNgTUK1gx5cP6NZZLgfb B5Do8R3N5+t4VqjSirDKbW/YQcseYTOP v/1g3nyDadz7bk+FtxrjiH2ZvZYiGi6w pvhIyhvKjKvRfFlBL77Up9RbdhH8vU90 CCslXZSf6imxikZFc+xJLcdW5Oz2GCby 2ViEZL7JM/4VV0PN27OMs0S6ihZLX9cb UjYiRMF8rZ+ec9mZhlg3VQ==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1	3/0/1
Response size (bytes)				OK	909	909	909	909	909	909	909	909	909	909	909	909	909	909	909	909
Response time (ms)				OK	319	488	489	318	492	319	490	322	488	206	321	207	319	487	321	322

Responses for edu.cn/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	172800	NS	dns.edu.cn. ns2.cernet.net. ns4.cernet.net. ns5.cernet.net. dns2.edu.cn. dns3.edu.cn.	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	172800	RRSIG	NS 8 2 172800 20260408163423 20260325160917 44583 edu.cn. D39p6X6aiAHG4qfKylnrKKBb90vx5yRC yZEoSs6Qz0kTxM/tFvIeiQSCGRT5BVEk uFjvFugO62iYxSVS9ULbmT1JseOYEFqu XmNPbILGcRUGKISLqBebS7ODj7i6H0VU qpzbMPueoKnsYr5apOdWM6juTGRMQNS9 IFx5AQydfuCEwIT8TJtq0Q8iGtL7ylqg EuJK3GTrOSnkNpMmAxwu8W+h5KQRHn56 NNjfK6DhvifLQg66rhklMyXjQAwGTeym zi07nWgfRHC9+Ox/rbAbCr0mfDZtFB2E 9q7l4z1gdvfdnNWTUtdCbx4yPDiw/Wj7 Fm47ze2jrKZbf++YOemQdA==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9
Response size (bytes)				OK	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197
Response time (ms)				OK	180	222	209	191	203	180	212	181	200	145	193	152	155	198	203	148

Responses for edu.cn/NSEC3PARAM

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	0	NSEC3PARAM	1 0 0 -	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	0	RRSIG	NSEC3PARAM 8 2 0 20260405191656 20260322184344 44583 edu.cn. OKiHaU/gZ7bvfr2UgN1eR0ysNCXWOvf0 Vjk9h891oelx4a1Krbq0DCHYaCA9i8oZ 0FMoJuBhnQm05A3g38PeKeV/d9cVErY7 Tlr4edSoHZ1mvWKIPPCQhRZq48Z6rF1j D6JLv0zH1KoRr8wkziYL6zRUqgwjEcrs lrZDEIWn19tve5AzFQg+OlJM8QVMpqjk xz2zpONLXWVqZrCnpBD1+fGWxrhRGCZf crAG/18WDxce8oOlctJMHup2cw47c00J JTE8TI/EU+CRzI+tP0I876lTypEoYPY7 2J/lMZ97Ls9S71NOb4cgm04ZYrxZ3+Gt nuik9G9qV2eNvJKWOLFFkg==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8	2/7/8
Response size (bytes)				OK	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214	1214
Response time (ms)				OK	264	431	446	260	446	269	442	274	437	363	271	366	263	431	272	205

Responses for edu.cn/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1
Response size (bytes)				OK	793	793	793	793	793	793	793	793	793	787	793	787	793	793	793	793
Response time (ms)				OK	300	472	477	298	477	303	476	307	473	209	305	302	300	472	304	305

Responses for edu.cn/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1
Response size (bytes)				OK	793	793	793	793	793	793	793	793	793	787	793	787	793	793	793	793
Response time (ms)				OK	281	453	456	277	456	282	455	284	453	208	283	208	280	453	283	209

Responses for edu.cn/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1
Response size (bytes)				OK	793	793	793	793	793	793	793	793	793	787	793	787	793	793	793	793
Response time (ms)				OK	293	467	469	291	471	294	469	298	468	208	296	208	291	467	294	297

Responses for mt1o4.oat0b.edu.cn/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1	0/8/1
Response size (bytes)				OK	1557	1557	1557	1557	1557	1557	1557	1557	1557	1545	1557	1545	1557	1557	1557	1557
Response time (ms)				OK	386	430	375	389	379	388	408	398	375	400	395	356	361	382	392	402

Responses for edu.cn/CDNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	7200	CDNSKEY	257 3 8 AwEAAdkXpELr8ax9Gu8CRfA7Iux8G32u sl8Lgs917ZELiWaoZgufgNALQHLSffJP bnZ/Qg6BPKB0RkhnUNX6066yLo3evWQB 6keio+JW/CHXF2orSgt1T+zDUqSKeE5M c4uPeq+nFmpP6SFbSz82IMlEYylbfvxB j16TqP5uNPAKN8MCm2gFNRjTx8/e8BZQ 93OwrfyBTJWkBWsaUUIUwhLqKtJuEovJ ZnvaNctOcKpJRk1FM0/swxVt1b4I7iLU JKBMSEIGeZvw72SnvqicqVOOLoE8NWTR zJMWs8RrrJp9OFy28O6fnwCR57cDpQQl HdvpIBsxiHPKGfcqRoX6gDqf7qs=	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	7200	RRSIG	CDNSKEY 8 2 7200 20260406012718 20260323005041 15397 edu.cn. YPxdFvYVZcxFgCBcRUO4kDO9SN9Ou4pe y2IYrMpI63UnEas3xxgkiH8oyl50LXEM ouDvfx22T3l5y/1A/vGE7i8oTobcSUCc Ik5VgKmGTPzTCV+D6uXRWANctOov/MMw EDZ485p8VeOkYYWiifdf5AyHrH8TSnLD RqZwWCur7VNesdld866tV3vGxuhcIGP1 u+Y9Y6XFlDW1taqHYx/91BJNrM4kPVvE /2A3j1p2ninSdgTFqrDba5p/PSAkCkA5 S9RxPcjkYcRM9TtWLf/WVCn6SSaSiV5s +yCnB/gicc1vO93nyE2cSibBJTPIi8cW 5TeY7y7JGxa+2SRl6F6W/Q==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1
Response size (bytes)				OK	633	633	633	633	633	633	633	633	633	633	633	633	633	633	633	633
Response time (ms)				OK	286	459	461	285	462	287	461	288	460	208	288	208	285	459	287	208

Responses for edu.cn/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1
Response size (bytes)				OK	793	793	793	793	793	793	793	793	793	787	793	787	793	793	793	793
Response time (ms)				OK	308	479	483	307	483	310	482	314	481	209	312	309	308	478	312	314

Responses for edu.cn/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
RR count (Answer/Authority/Additional)				OK	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1	0/4/1
Response size (bytes)				OK	793	793	793	793	793	793	793	793	793	787	793	787	793	793	793	793
Response time (ms)				OK	180	223	188	182	190	183	204	181	190	144	185	146	155	194	184	147

Responses for edu.cn/CDS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	7200	CDS	15397 8 2 3a6c89d32b3143d193521ce64389548821da90f770ab09ecd9c8680b2f4848b5	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	7200	RRSIG	CDS 8 2 7200 20260406012718 20260323005041 15397 edu.cn. xMs5g1szlEFIrxn8MMC1owQweuyoXNIA cV8RG196sfMZeDr/56wdm63oi6fBva5V 8GupiGmaXoIUVDoDkG/tHkgBN7R7sO0t jvgg6RNmS6f8RJDDChhRtm8wirjfVXHH F9hcLIzmC0LfcGLsw1Q2iYwxn8iM6TVb JbGPPIUXdFsC6+kgZp8Eoo/rhLBDcJcI y/BNmbrNM7c7VPsurgj1jpSgUKTOoSHj LNZ0vgEzqW+VpvAtDI3fazCQaQI7rZbr egFSSLDuAknvTSmPRxV5ioHF+2Ti/1yK 5U1IoSli8ox5sSFLG73IZq2LEfK5jhV/ ZjWIjFLpMRoaACMbN5Ea9g==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1	2/0/1
Response size (bytes)				OK	405	405	405	405	405	405	405	405	405	405	405	405	405	405	405	405
Response time (ms)				OK	314	484	486	313	487	316	485	318	484	207	317	315	314	482	316	317

Responses for edu.cn/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	172800	SOA	dns.edu.cn. hostmaster.net.edu.cn. 2026032620 7200 1800 604800 21600	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	172800	RRSIG	SOA 8 2 172800 20260411044825 20260328034825 44583 edu.cn. Y4jwDcPelCExPBdW/GO/CBMhIf2S2udg /MzBdVYAYiMDuBnk1EC3X44ioUePVG4A ZW3hRYuWvU+BB5x03tf771gGY5XF8Gok 7WsEj+04nDVZy/s0eV7C2EFKm8+rapcL db7iUGPzLKhU5sxV/JH2o//coPN4V9Ip Evmw97YdZa3CTOUkeUHsSd/SNp/1LWJH 3UEbLOs7s8qjbFSHsgECkw9rPKLoUcIa IIkhJOTvrjAkLPuS0tu8v9RvfRFDdsME bzuVNsOVtWFcU6jbB6exwAR34tYT0cmj 4fugy8qx3kqdtr5/wLKNPh85FNtt9WY8 r05Jqnouua4vHaxZlKKBEw==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7	2/7/7
Response size (bytes)				OK	960	960	960	960	960	960	960	960	960	954	960	954	960	960	960	960
Response time (ms)				OK	323	486	497	316	497	330	491	345	491	369	339	372	323	486	335	342

Responses for edu.cn/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	dns.edu.cn. (2001:250:c006::35)	dns.edu.cn. (202.38.109.35)	dns2.edu.cn. (202.112.0.13)	dns2.edu.cn. (2001:da8:1:100::13)	dns3.edu.cn. (101.4.62.35)	dns3.edu.cn. (2001:250:62::35)	ns2.cernet.net. (103.137.60.203)	ns2.cernet.net. (2001:dd9::203)	ns4.cernet.net. (101.4.62.203)	ns4.cernet.net. (193.174.75.78)	ns4.cernet.net. (2001:250:62::203)	ns4.cernet.net. (2001:638:d:b104::2)	ns5.cernet.net. (137.189.6.21)	ns5.cernet.net. (166.111.8.30)	ns5.cernet.net. (2402:f000:1:801::8:30)	ns5.cernet.net. (2405:3000:3:6::15)
edu.cn	172800	NS	dns.edu.cn. ns2.cernet.net. ns4.cernet.net. ns5.cernet.net. dns2.edu.cn. dns3.edu.cn.	OK	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
	172800	RRSIG	NS 8 2 172800 20260408163423 20260325160917 44583 edu.cn. D39p6X6aiAHG4qfKylnrKKBb90vx5yRC yZEoSs6Qz0kTxM/tFvIeiQSCGRT5BVEk uFjvFugO62iYxSVS9ULbmT1JseOYEFqu XmNPbILGcRUGKISLqBebS7ODj7i6H0VU qpzbMPueoKnsYr5apOdWM6juTGRMQNS9 IFx5AQydfuCEwIT8TJtq0Q8iGtL7ylqg EuJK3GTrOSnkNpMmAxwu8W+h5KQRHn56 NNjfK6DhvifLQg66rhklMyXjQAwGTeym zi07nWgfRHC9+Ox/rbAbCr0mfDZtFB2E 9q7l4z1gdvfdnNWTUtdCbx4yPDiw/Wj7 Fm47ze2jrKZbf++YOemQdA==	VALID	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9	7/0/9
Response size (bytes)				OK	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197	1197
Response time (ms)				OK	180	222	209	191	203	180	212	181	200	145	193	152	155	198	203	148