./DNSKEY: No response was received from the server over UDP (tried 4 times). (192.228.79.201, UDP_-_EDNS0_512_D_KN)
mastercard.com/DNSKEY: No response was received from the server over UDP (tried 4 times). (216.119.218.53, UDP_-_EDNS0_512_D_KN)
mastercard.com/MX: No response was received from the server over UDP (tried 4 times). (216.119.218.53, UDP_-_EDNS0_512_D_KN)
Warnings (9)
./DNSKEY (alg 8, id 20326): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 60955): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)
com to mastercard.com: Authoritative AAAA records exist for dns1.mastercard.com, but there are no corresponding AAAA glue records.
com to mastercard.com: Authoritative AAAA records exist for dns2.mastercard.com, but there are no corresponding AAAA glue records.
com/DS (alg 8, id 30909): 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). (192.228.79.201, UDP_-_EDNS0_4096_D_KN)
com/DS (alg 8, id 30909): 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). (192.228.79.201, UDP_-_EDNS0_4096_D_KN)
com/DS (alg 8, id 30909): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)
com/DS (alg 8, id 30909): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)
mastercard.com/NS: 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). (216.119.218.53, UDP_-_EDNS0_4096_D_KN)