DNS Report: alibris.com

Generated: 2026-08-10T05:11:08-05:00

82/100

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.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 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 certificate55/5580 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
OKHTTP security headers35/359 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
104.18.153.95
104.18.152.95
AAAA
CNAME
MX
20 mx2-us1.ppe-hosted.com.
10 mx1-us1.ppe-hosted.com.
TXT
"duo_sso_verification=GvMMzucxDXKoSwSJfA9qYhy63yAZcgJu1fe7YqMGe5BqvY8dklnSnpRGXPnp5G4J"
"v=spf1 a:mailhost2.alibris.com a:mailhost.alibris.com include:authsmtp.com include:_spf.zdsys.com include:mail.zendesk.com include:sendgrid.net  include:spf.protection.outlook.com   a:dispatch-us.ppe-hosted.com -all"
"ms-domain-verification=7e0288d9-64a0-401a-a690-29092b12aa06"
"google-site-verification=nZ6KPbX6L6enpA9mODgHjQwlHpaJIizGu2lQDpiU9Rg"
"sophos-domain-verification=18def0916d08e6e42418d8e9ece43208abafe15570e937d726a90707a045d9ad"
"anthropic-domain-verification-hdvgzn=LVX0fAGZTiC5hndqsXSOwppGE"
"MS=3BFB65151236B89414DE0F8A38E4633CC7697357"
NS
ns5.alibris.com.
ns4.alibris.com.
SOA
ns4.alibris.com. dns.cloudflare.com. 2411746120 10000 2400 604800 1800
CAA
0 issue "godaddy.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issue "letsencrypt.org"
0 issue "comodoca.com"
0 issue "ssl.com"
0 issuewild "ssl.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
DS
2371 13 2 A596F092CB0788D6C83FF8AEB87494A9A356DABCE60284B2338B9334 AF8FD5C3
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
RRSIG
NS 13 2 86400 20260811111103 20260809091103 34505 alibris.com. 7W/oJkBTlXZEZJ+jJsdGvasG4Ih8Ej9f7UCDRak6qValbcLL5hCpnRfU kQhlDwz7jHQDgaK4uuLE3YmfYbsE8w==
TXT 13 2 300 20260811111103 20260809091103 34505 alibris.com. g8pAVq/QV49J2TbhGRmJwVMp2l2Ab9VTXTI3YvYNV44Y4/y0oS3tYsRB CH0e/sH9DdaWst4wYplfPNU3Svbrfg==
DS 13 2 86400 20260815002547 20260807231547 41446 com. BnEOn47zLgNI3kFPZ7e+6Ds8c55wrGgyr0gpsPWp6R71oCgxcSqDAc85 +9K8nN4lh5OKg1IT0yO0LAr3slqm2w==
NSEC
\000.alibris.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