ietf.org
Updated:
2021-05-07 14:23:51 UTC (1091 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Secure (6)
- ietf.org/A
- ietf.org/AAAA
- ietf.org/MX
- ietf.org/NS
- ietf.org/SOA
- ietf.org/TXT
DNSKEY/DS/NSEC status
Secure (10)
- ./DNSKEY (alg 8, id 14631)
- ./DNSKEY (alg 8, id 20326)
- ietf.org/DNSKEY (alg 5, id 40452)
- ietf.org/DNSKEY (alg 5, id 45586)
- ietf.org/DS (alg 5, id 45586)
- ietf.org/DS (alg 5, id 45586)
- org/DNSKEY (alg 8, id 26974)
- org/DNSKEY (alg 8, id 27558)
- org/DNSKEY (alg 8, id 30453)
- org/DS (alg 8, id 26974)
Delegation status
Secure (2)
- . to org
- org to ietf.org
Notices
Errors (6)
- ietf.org/DNSKEY: No response was received from the server over UDP (tried 4 times). (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_512_D_KN)
- ietf.org/MX: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (4.31.198.40, UDP_-_EDNS0_4096_)
- ietf.org/MX: 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). (4.31.198.40, UDP_-_EDNS0_4096_D_KN)
- ietf.org/MX: No response was received from the server over UDP (tried 4 times). (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_512_D_KN)
- ietf.org/MX: The DNSSEC records necessary to validate the response could not be retrieved from the server. (4.31.198.40, UDP_-_EDNS0_4096_D_KN)
- ietf.org/TXT: No response was received from the server over TCP (tried 4 times). (4.31.198.40, TCP_-_EDNS0_4096_D)
Warnings (25)
- RRSIG ietf.org/A alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/AAAA alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/DNSKEY alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/DNSKEY alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/DNSKEY alg 5, id 45586: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/DNSKEY alg 5, id 45586: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/MX alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/NS alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/SOA alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- RRSIG ietf.org/TXT alg 5, id 40452: DNSSEC specification recommends not signing with DNSSEC algorithm 5 (RSASHA1).
- ietf.org/A: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
- ietf.org/AAAA: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
- ietf.org/DNSKEY (alg 5, id 40452): The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
- ietf.org/DNSKEY (alg 5, id 45586): The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
- ietf.org/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_512_D_KN)
- ietf.org/DS (alg 5, id 45586): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
- ietf.org/DS (alg 5, id 45586): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
- ietf.org/DS (alg 5, id 45586): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
- ietf.org/DS (alg 5, id 45586): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
- ietf.org/MX: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
- ietf.org/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). (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_KN)
- ietf.org/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. (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_KN)
- ietf.org/SOA: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
- ietf.org/TXT: 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). (2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_KN)
- ietf.org/TXT: The server appears to support DNS cookies but did not return a COOKIE option. (65.22.6.79, UDP_-_EDNS0_4096_D_KN)
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