DNS Report: packtpub.com

Generated: 2026-08-09T10:38:36-05:00

86/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 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 records20/201 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 certificate55/5589 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA 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
104.18.18.57
104.18.19.57
AAAA
2606:4700::6812:1239
2606:4700::6812:1339
CNAME
MX
0 packtpub-com.mail.protection.outlook.com.
TXT
"MS=ms77079791"
"google-site-verification=4IqRPigqD2-cUnB7oyC8vW9hJVPD-1CklhbG2CzYcKk"
"_globalsign-domain-verification=6RYPIPUO2OQDU0pqaDmaEeWmISV7Tz3QQBCYgOv3br"
"_globalsign-domain-verification=HYZk2Fhot5-PhJD3xTIrZBWcnuIiOpkPMyjRmQ2z5L"
"google-site-verification=EhrsgJ1xswy57ujWukxssZc7LkxKzr_k5GCWDF68sgk"
"_globalsign-domain-verification=Iiihy-iv_vLdlIMtHvh-aCdqO2T53oCoknhW44njXn"
"v=spf1  a:zgateway.zuora.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net include:amazonses.com -all"
"facebook-domain-verification=m4iqhvdyzgnt1rtxtdfzrsypf63gi8"
"google-gws-recovery-domain-verification=67085002"
"google-site-verification=aYn6H9fduNTMAWna17iNt1G1VNPxaakxn2Vta5qgok0"
NS
max.ns.cloudflare.com.
eva.ns.cloudflare.com.
SOA
eva.ns.cloudflare.com. dns.cloudflare.com. 2411731825 10000 2400 604800 1800
CAA
0 issuewild "letsencrypt.org"
0 issuewild "awstrust.com"
0 issuewild "amazonaws.com"
0 issuewild "amazon.com"
0 issue "amazonaws.com"
0 iodef "mailto:caa.notification@packt.com"
0 issuewild "amazontrust.com"
0 issue "awstrust.com"
0 issue "amazontrust.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issue "amazon.com"
DS
2371 13 2 164829D1F36A57B64307E6D78110A347E2993F1717DB63E31D682BAC 8723A857
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
RRSIG
NS 13 2 86400 20260810163827 20260808143827 34505 packtpub.com. WgKz4JbOpX1Mvf1Z7uVpcbPGtDdczn7XsPXqWnE9YRnUGA2r8hPjkWR+ Qmg+UjU1tlMMjfEBbkGZFwp5mCS/jQ==
AAAA 13 2 300 20260810163826 20260808143826 34505 packtpub.com. 53lzWIAiE2+z78Xh50Hy6MIG3KJoEkFbqXOnsCS9H8wF0jRQRBACa6tm hbtL+8FzIxdm4R4zMCAYeXD3M9wwNQ==
A 13 2 300 20260810163826 20260808143826 34505 packtpub.com. T6idU7bAw4PFpb304Mc1fkpXzXIkIOFb4Lyfc/UhOWpcXvBXZN1puUOS uXfLX+fPNo2vIZpecTM7REdU0xD8ow==
DS 13 2 86400 20260814021616 20260807010616 41446 com. HLUBkpPOUlTCs1lDui41rin9b57j1nqRnAhlBq96gmjHr5wmA11SCtNm k6M8DFI7i3j42IUO/WN7ar0VZV2Kqw==
CAA 13 2 300 20260810163827 20260808143827 34505 packtpub.com. 3bTbPyeR3GD8LBBQzv3M6xHbMqqXSUzEJ+huKDzfVASMkL18DbMF+AxW dFU8RZIt74zWx0gSyow2Cn/Ht9og0A==
NSEC
\000.packtpub.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