DNS Report: quizlet.com

Generated: 2026-08-09T00:37:32-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/207 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5545 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers27/357 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.16.133.27
104.16.134.27
AAAA
CNAME
MX
20 alt1.aspmx.l.google.com.
10 aspmx.l.google.com.
70 aspmx5.googlemail.com.
40 aspmx2.googlemail.com.
60 aspmx4.googlemail.com.
50 aspmx3.googlemail.com.
30 alt2.aspmx.l.google.com.
TXT
"apple-domain-verification=GhqRH5BdB8mVkDUq"
"PAEZFEC4AVFC77KOVF1R0H57BRTMST936SZT1YXT"
"_c6ifay1uuzwpf3c6q917aojjdd6p1ea"
"762642896-4167472"
"onetrust-domain-verification=7316088ca8db44f78ca82d9e961f6442"
"anthropic-domain-verification-c3qp9g=07K3uDxfCV06dDvwrJXNZeulX"
"K6b3CtLBfcqpRDNJfg7WcyP9qg"
"atlassian-domain-verification=RY6sTRPfyrQlcq2vgiA3xPplUkOM9JLXJSDEQotm9vlyY86HuuDBGaGDyLm9oTNF"
"onetrust-domain-verification=31c369ac7a3544d19c07ea059d09b5f3"
"google-site-verification=zwWiKvbXdW7mObtno1aea-OcQHXpmaZ2CvcW3qclYnA"
"6bc7fbl8y9h6lng2n9mfymp16dy63g5s"
"hcp-domain-verification=0610f95c7b0e248dd930b7076e658fa93c1a08ccfa5f91e96b612919e6ef5807"
"linear-domain-verification=c63cnkxcepz3"
"24F3373645"
"MS=ms29141506"
"openai-domain-verification=dv-5Nx1YJVH5ae1OqCzL1NiNOu0"
"docusign=a6f2c83c-9542-4ba7-92e3-032b45a00375"
"atlassian-domain-verification=plVFZkxuXPVmwzDvcpY5wv9jzzqQtxQtByhFAEdY+P7nj9p8snaZ075RZ/N1leeb"
"google-site-verification=5qTpwRH3290N26h2y-Dt-SOmOyX8xLramCneO4W9nDs"
"pinterest-site-verification=ea81483d36f8c1be6f86693a81004261"
"facebook-domain-verification=pzag31nnjljvy81xhps4rggqtj46rq"
"google-site-verification=W5dcXTOxPUzVvjBMgdJzZSMSebqrWo0O6CBV0FN1dhY"
"v=spf1 include:spf.mtasv.net include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:_spf.salesforce.com ~all"
"google-site-verification=w1N3KNUCtJ6ovW-SihpCFUCwQqB_mC7HMMn2FDeig48"
"cursor-domain-verification-nvvmrz=MJvAnXKyNFtJKJABZah0XyVgc"
NS
lily.ns.cloudflare.com.
ian.ns.cloudflare.com.
SOA
ian.ns.cloudflare.com. dns.cloudflare.com. 2411614674 10000 2400 604800 1800
CAA
DS
2371 13 2 F88D6ACE68619E823DFA4E08340347BAF4EFE21CBDAA5205060BC22A 2C15A70F
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
RRSIG
NSEC
\000.quizlet.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA
NSEC3
SRV
NAPTR
TLSA
SSHFP