slack.com
Updated:
2021-10-05 05:23:56 UTC (1151 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Insecure (5)
- slack.com/A
- slack.com/MX
- slack.com/NS
- slack.com/SOA
- slack.com/TXT
Secure (2)
- com/SOA
- com/SOA
DNSKEY/DS/NSEC status
Secure (7)
- ./DNSKEY (alg 8, id 14748)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26838)
- NSEC3 proving non-existence of slack.com/DS
- com/DNSKEY (alg 8, id 30909)
- com/DNSKEY (alg 8, id 39343)
- com/DS (alg 8, id 30909)
Delegation status
Insecure (1)
- com to slack.com
Secure (1)
- . to com
Notices
Warnings (4)
- ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (193.0.14.129, UDP_-_EDNS0_512_D_KN)
- com to slack.com: Authoritative AAAA records exist for ns-166.awsdns-20.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
- com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
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