comcast.net
Updated:
2023-03-31 06:16:09 UTC (402 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Secure (5)
- comcast.net/A
- comcast.net/MX
- comcast.net/NS
- comcast.net/SOA
- comcast.net/TXT
DNSKEY/DS/NSEC status
Secure (10)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 60955)
- ./DNSKEY (alg 8, id 951)
- comcast.net/DNSKEY (alg 5, id 26550)
- comcast.net/DNSKEY (alg 5, id 40909)
- comcast.net/DS (alg 5, id 40909)
- comcast.net/DS (alg 5, id 40909)
- net/DNSKEY (alg 8, id 27254)
- net/DNSKEY (alg 8, id 35886)
- net/DS (alg 8, id 35886)
Delegation status
Secure (2)
- . to net
- net to comcast.net
Notices
Errors (20)
- comcast.net zone: The server(s) were not responsive to queries over TCP. (68.87.72.244, 68.87.85.132, 2001:558:1004:7:68:87:85:132, 2001:558:100a:5:68:87:68:244, 2001:558:100e:5:68:87:72:244, 2001:558:fe23:8:69:252:250:103)
- comcast.net zone: The server(s) were not responsive to queries over UDP. (68.87.68.244, 68.87.76.228, 69.252.250.103, 2001:558:1014:c:68:87:76:228)
- comcast.net/A: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. (2001:558:100a:5:68:87:68:244, UDP_-_NOEDNS_)
- comcast.net/A: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). (2001:558:100a:5:68:87:68:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/A: No response was received from the server over UDP (tried 12 times). (68.87.68.244, 68.87.76.228, 69.252.250.103, 2001:558:1014:c:68:87:76:228, UDP_-_NOEDNS_)
- comcast.net/A: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2001:558:100a:5:68:87:68:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/DNSKEY: No response was received from the server over TCP (tried 10 times). (2001:558:100e:5:68:87:72:244, TCP_-_EDNS0_4096_D_N)
- comcast.net/DNSKEY: No response was received from the server over TCP (tried 12 times). (2001:558:fe23:8:69:252:250:103, TCP_-_EDNS0_4096_D_KN)
- comcast.net/DNSKEY: No response was received from the server over UDP (tried 12 times). (68.87.72.244, 68.87.85.132, 2001:558:1004:7:68:87:85:132, UDP_-_NOEDNS_)
- comcast.net/DNSKEY: No response was received from the server over UDP (tried 4 times). (68.87.72.244, 68.87.85.132, 2001:558:1004:7:68:87:85:132, 2001:558:100a:5:68:87:68:244, 2001:558:fe23:8:69:252:250:103, UDP_-_EDNS0_512_D_KN)
- comcast.net/MX: No response was received from the server over TCP (tried 7 times). (68.87.85.132, TCP_-_EDNS0_4096_D)
- comcast.net/MX: No response was received from the server over UDP (tried 12 times). (68.87.72.244, 2001:558:1004:7:68:87:85:132, 2001:558:100e:5:68:87:72:244, 2001:558:fe23:8:69:252:250:103, UDP_-_NOEDNS_)
- comcast.net/MX: No response was received from the server over UDP (tried 4 times). (68.87.72.244, 68.87.85.132, 2001:558:100e:5:68:87:72:244, 2001:558:fe23:8:69:252:250:103, UDP_-_EDNS0_512_D_KN)
- comcast.net/NS: No response was received from the server over UDP (tried 12 times). (68.87.68.244, 68.87.72.244, 68.87.76.228, 69.252.250.103, 2001:558:1004:7:68:87:85:132, 2001:558:100e:5:68:87:72:244, 2001:558:1014:c:68:87:76:228, UDP_-_NOEDNS_)
- comcast.net/SOA: No response was received from the server over TCP (tried 3 times). (68.87.72.244, 68.87.85.132, 2001:558:1004:7:68:87:85:132, 2001:558:100a:5:68:87:68:244, 2001:558:100e:5:68:87:72:244, 2001:558:fe23:8:69:252:250:103, TCP_-_EDNS0_4096_D_N)
- comcast.net/SOA: No response was received from the server over UDP (tried 12 times). (68.87.72.244, 68.87.85.132, 2001:558:1004:7:68:87:85:132, 2001:558:100a:5:68:87:68:244, 2001:558:100e:5:68:87:72:244, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
- comcast.net/TXT: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2001:558:100e:5:68:87:72:244, UDP_-_EDNS0_4096_)
- comcast.net/TXT: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (2001:558:100e:5:68:87:72:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/TXT: No response was received from the server over UDP (tried 12 times). (68.87.85.132, UDP_-_NOEDNS_)
- comcast.net/TXT: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2001:558:100e:5:68:87:72:244, UDP_-_EDNS0_4096_D_KN)
Warnings (20)
- RRSIG comcast.net/A alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/DNSKEY alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/DNSKEY alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/DNSKEY alg 5, id 40909: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/DNSKEY alg 5, id 40909: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/MX alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/NS alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/SOA alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG comcast.net/TXT alg 5, id 26550: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- comcast.net/A: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. (68.87.72.244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/A: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). (2001:558:100e:5:68:87:72:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/DS (alg 5, id 40909): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
- comcast.net/DS (alg 5, id 40909): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
- comcast.net/DS (alg 5, id 40909): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
- comcast.net/DS (alg 5, id 40909): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
- comcast.net/NS: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (68.87.85.132, UDP_-_EDNS0_4096_D_KN)
- comcast.net/SOA: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (2001:558:100a:5:68:87:68:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/SOA: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. (68.87.72.244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/SOA: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:558:100a:5:68:87:68:244, UDP_-_EDNS0_4096_D_KN)
- comcast.net/TXT: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. (68.87.72.244, UDP_-_EDNS0_4096_D_KN)
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