www.cdc.gov

Updated: 2022-07-29 19:31:45 UTC (848 days ago) Go to most recent »

DNSSEC options (hide)

|?| RR types:
|?| DNSSEC algorithms:
|?| DS digest algorithms:
|?| Denial of existence:
|?| Redundant edges:
|?| Ignore RFC 8624:
|?| Ignore RFC 9276:
|?| Multi-signer:
|?| Trust anchors:
- Root zone KSK
|?| Additional trusted keys:

Notices

DNSSEC Authentication Chain

RRset status

Secure (4)

www.akam.cdc.gov/A
www.akam.cdc.gov/AAAA
www.akam.cdc.gov/AAAA
www.cdc.gov/CNAME

DNSKEY/DS/NSEC status

Secure (17)

./DNSKEY (alg 8, id 20326)
./DNSKEY (alg 8, id 20826)
akam.cdc.gov/DNSKEY (alg 10, id 1993)
akam.cdc.gov/DNSKEY (alg 10, id 3416)
akam.cdc.gov/DNSKEY (alg 10, id 4524)
akam.cdc.gov/DNSKEY (alg 10, id 50216)
akam.cdc.gov/DS (alg 10, id 1993)
cdc.gov/DNSKEY (alg 7, id 22842)
cdc.gov/DNSKEY (alg 7, id 47169)
cdc.gov/DNSKEY (alg 7, id 49888)
cdc.gov/DS (alg 7, id 47169)
cdc.gov/DS (alg 7, id 47169)
cdc.gov/DS (alg 7, id 49888)
cdc.gov/DS (alg 7, id 49888)
gov/DNSKEY (alg 8, id 261)
gov/DNSKEY (alg 8, id 7698)
gov/DS (alg 8, id 7698)

Delegation status

Secure (3)

. to gov
cdc.gov to akam.cdc.gov
gov to cdc.gov

Notices

Errors (7)

akam.cdc.gov/DNSKEY (alg 10, id 1993): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
akam.cdc.gov/DNSKEY (alg 10, id 50216): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
cdc.gov to akam.cdc.gov: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
cdc.gov to akam.cdc.gov: The DS RRset for the zone included algorithm 10 (RSASHA512), but no DS RR matched a DNSKEY with algorithm 10 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
www.akam.cdc.gov/A: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
www.akam.cdc.gov/AAAA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN)
cdc.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.

Warnings (36)

RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 1993: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DNSKEY alg 10, id 4524: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG akam.cdc.gov/DS alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 47169: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG cdc.gov/DNSKEY alg 7, id 49888: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG www.akam.cdc.gov/A alg 10, id 50216: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG www.akam.cdc.gov/AAAA alg 10, id 50216: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG www.akam.cdc.gov/AAAA alg 10, id 50216: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
RRSIG www.cdc.gov/CNAME alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG www.cdc.gov/CNAME alg 7, id 22842: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
akam.cdc.gov/DNSKEY (alg 10, id 3416): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
akam.cdc.gov/DNSKEY (alg 10, id 4524): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (198.246.96.61, 198.246.96.92, 198.246.125.10, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
cdc.gov/DS (alg 7, id 47169): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cdc.gov/DS (alg 7, id 47169): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cdc.gov/DS (alg 7, id 47169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
cdc.gov/DS (alg 7, id 47169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
cdc.gov/DS (alg 7, id 49888): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cdc.gov/DS (alg 7, id 49888): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
cdc.gov/DS (alg 7, id 49888): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
cdc.gov/DS (alg 7, id 49888): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
gov to cdc.gov: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the gov zone): icdc-us-ns1.cdc.gov, icdc-us-ns3.cdc.gov, icdc-us-ns2.cdc.gov See RFC 1034, Sec. 4.2.2.
gov to cdc.gov: The following NS name(s) were found in the delegation NS RRset (i.e., in the gov zone), but not in the authoritative NS RRset: auth00.ns.uu.net, auth100.ns.uu.net See RFC 1034, Sec. 4.2.2.
cdc.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.