slack.com
Updated:
2022-03-21 22:10:32 UTC (832 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Secure (5)
- slack.com/A
- slack.com/MX
- slack.com/NS
- slack.com/SOA
- slack.com/TXT
DNSKEY/DS/NSEC status
Secure (9)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 9799)
- com/DNSKEY (alg 8, id 30909)
- com/DNSKEY (alg 8, id 38535)
- com/DS (alg 8, id 30909)
- slack.com/DNSKEY (alg 13, id 20318)
- slack.com/DNSKEY (alg 13, id 20546)
- slack.com/DNSKEY (alg 13, id 296)
- slack.com/DS (alg 13, id 296)
Delegation status
Secure (2)
- . to com
- com to slack.com
Notices
Errors (7)
- com/DS (alg 8, id 30909): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (2001:500:12::d0d, UDP_-_NOEDNS_)
- com/DS (alg 8, id 30909): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (2001:500:12::d0d, UDP_-_NOEDNS_)
- com/DS (alg 8, id 30909): No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
- com/DS (alg 8, id 30909): No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
- com/DS (alg 8, id 30909): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
- com/DS (alg 8, id 30909): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2001:500:12::d0d, UDP_-_EDNS0_4096_D_KN)
- com/DS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.112.36.4, 193.0.14.129, 2001:7fd::1, UDP_-_NOEDNS_)
Warnings (1)
- 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.
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