nlm.gov/MX: No response was received from the server over UDP (tried 13 times). (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
Warnings (10)
gov to nlm.gov: Authoritative AAAA records exist for lhcns1.nlm.nih.gov, but there are no corresponding AAAA glue records.
gov to nlm.gov: Authoritative AAAA records exist for lhcns2.nlm.nih.gov, but there are no corresponding AAAA glue records.
gov to nlm.gov: Authoritative AAAA records exist for ns.nih.gov, but there are no corresponding AAAA glue records.
gov to nlm.gov: Authoritative AAAA records exist for ns2.nih.gov, but there are no corresponding AAAA glue records.
gov to nlm.gov: Authoritative AAAA records exist for ns3.nih.gov, but there are no corresponding AAAA glue records.
nlm.gov/A: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
nlm.gov/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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
nlm.gov/NS: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
nlm.gov/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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
nlm.gov/TXT: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)