ietf.org/MX: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. (4.31.198.40, 2001:1900:3001:11::28, UDP_-_NOEDNS_)
ietf.org/MX: 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). (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_K)
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_K)
ietf.org/MX: The DNSSEC records necessary to validate the response could not be retrieved from the server. (4.31.198.40, 2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_K)
ietf.org/TXT: 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/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). (4.31.198.40, UDP_-_EDNS0_4096_D_K)
ietf.org/TXT: The DNSSEC records necessary to validate the response could not be retrieved from the server. (4.31.198.40, UDP_-_EDNS0_4096_D_K)
Warnings (29)
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/DS alg 7, id 21869: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG ietf.org/DS alg 7, id 21869: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
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).
RRSIG org/DNSKEY alg 7, id 17883: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG org/DNSKEY alg 7, id 17883: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG org/DNSKEY alg 7, id 17883: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG org/DNSKEY alg 7, id 21869: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG org/DNSKEY alg 7, id 21869: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
RRSIG org/DNSKEY alg 7, id 21869: DNSSEC specification recommends not signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1).
ietf.org/AAAA: 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). (2001:1900:3001:11::28, UDP_-_EDNS0_4096_D_K)
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/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, UDP_-_EDNS0_4096_D_K)
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_K)
org/DS (alg 7, id 17883): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
org/DS (alg 7, id 17883): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
org/DS (alg 7, id 17883): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
org/DS (alg 7, id 17883): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.