americanexpress.com
Updated:
2022-06-27 17:32:57 UTC (883 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Insecure (10)
- americanexpress.com/A
- americanexpress.com/A
- americanexpress.com/A
- americanexpress.com/A
- americanexpress.com/A
- americanexpress.com/A
- americanexpress.com/MX
- americanexpress.com/NS
- americanexpress.com/SOA
- americanexpress.com/TXT
Secure (1)
- com/SOA
DNSKEY/DS/NSEC status
Secure (7)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 20826)
- ./DNSKEY (alg 8, id 47671)
- NSEC3 proving non-existence of americanexpress.com/DS
- com/DNSKEY (alg 8, id 30909)
- com/DNSKEY (alg 8, id 37269)
- com/DS (alg 8, id 30909)
Delegation status
Insecure (1)
- com to americanexpress.com
Secure (1)
- . to com
Notices
Warnings (2)
- 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. See RFC 6891, Sec. 6.2.6. (192.112.36.4, 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. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
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