iastate.edu
Updated:
2020-06-26 15:22:50 UTC (6 days ago)
Update now
Notices
DNSSEC Authentication Chain
RRset status
Secure (6)
- iastate.edu/A
- iastate.edu/AAAA
- iastate.edu/MX
- iastate.edu/NS
- iastate.edu/SOA
- iastate.edu/TXT
DNSKEY/DS/NSEC status
Secure (12)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 46594)
- ./DNSKEY (alg 8, id 48903)
- edu/DNSKEY (alg 8, id 28065)
- edu/DNSKEY (alg 8, id 8663)
- edu/DS (alg 8, id 28065)
- iastate.edu/DNSKEY (alg 7, id 39944)
- iastate.edu/DNSKEY (alg 7, id 44060)
- iastate.edu/DNSKEY (alg 7, id 46875)
- iastate.edu/DNSKEY (alg 7, id 54696)
- iastate.edu/DS (alg 7, id 46875)
- iastate.edu/DS (alg 7, id 54696)
Delegation status
Secure (2)
- . to edu
- edu to iastate.edu
Notices
Errors (8)
- ./DNSKEY: No response was received from the server over UDP (tried 4 times). (192.112.36.4, UDP_-_EDNS0_512_D_K)
- edu zone: The server(s) were not responsive to queries over UDP. (2001:502:1ca1::30, 2001:503:d414::30, 2001:503:eea3::30)
- iastate.edu/DNSKEY: No response was received from the server over UDP (tried 12 times). (2610:130:101:112::2, UDP_-_EDNS0_4096_D)
- iastate.edu/DNSKEY: No response was received from the server over UDP (tried 4 times). (2610:130:101:112::2, UDP_-_EDNS0_512_D_K)
- iastate.edu/MX: No response was received from the server over UDP (tried 4 times). (2610:130:101:112::2, UDP_-_EDNS0_512_D_K)
- iastate.edu/SOA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2610:130:102:112::2, UDP_-_EDNS0_4096_)
- iastate.edu/SOA: 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). (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/SOA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
Warnings (7)
- iastate.edu/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). (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/AAAA: 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. (2610:130:101:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/DNSKEY (alg 7, id 39944): 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. (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/DNSKEY (alg 7, id 44060): 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. (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/DNSKEY (alg 7, id 46875): 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. (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/DNSKEY (alg 7, id 54696): 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. (2610:130:102:112::2, UDP_-_EDNS0_4096_D_K)
- iastate.edu/MX: 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. (2610:130:101:112::2, UDP_-_EDNS0_4096_D_K)
JavaScript is required to make the graph below interactive.
