DNS Report: penguinrandomhouse.com

Generated: 2026-08-08T20:27:40-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 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 records20/202 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 certificate55/55153 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
170.171.208.137
AAAA
CNAME
MX
10 us-smtp-inbound-2.mimecast.com.
10 us-smtp-inbound-1.mimecast.com.
TXT
"airtable-verification=07656b9d1c59ef275dc5cf2cc40f902f"
"twilio-domain-verification=fc6fe5f3866856223b427fe22f87cacc"
"miro-verification=20deb2e76b80e8360f078ce72b4c1b020ccbe7e1"
"p^80Ofvy%178DnED&JH$OktbSDSDHdBu8r5TXqXJUzrLTNplO6PB1VAb%#xV06wEKl7lOoFd2erdL@$w0BThd9#s6rEd%9C%tPu"
"atlassian-domain-verification=Kl3ByU1tsfV9fKiC7TDDZYz1uCeTeUo0SSEh5SitZ9q99Ua74O571fgiIg//j5Hn"
"asv=300738b15ca5d787a896887a6179da76"
"anthropic-domain-verification-p3yxqz=0oTx7Z8mJYN8MCnVfLRuy7xrz"
"applause-verification:e7f9bc17-1978-415a-83ab-955ebc93e7eb"
"openai-domain-verification=dv-Rhm7Hg5yRtoNsmysb1sZR4hb"
"canva-site-verification=qrGQ4gxWAdHknibYOR88zw"
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
"HmQrtF+YeGABOOs4sUIGNzx5oH/hxa/uuKITM72aP2D3Mmo45+IYTHRRNErkCFI5FluDKT7Og9fYZwF4n3wWlw=="
"sophos-domain-verification=30c16c4ad4dd85043d6766d195b3be1bf04c9425e55a4a79745bd7a135474f3b"
"d240bb6782951c680216e3b2c275a67a287ab413a4dbc83ff6"
"smartsheet-site-validation=cVJvac04NWxSPbNbKVyoQXTc977egjBr"
"apple-domain-verification=fSsk2qTskZIXUkhu"
NS
ns-1259.awsdns-29.org.
ns-1709.awsdns-21.co.uk.
ns-362.awsdns-45.com.
ns-643.awsdns-16.net.
SOA
ns-1259.awsdns-29.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
54018 13 2 82CF9553BD8C46B8D2A917E551CBB8D2D4EC70C54FC5F540B9108BC8 F5E41521
DNSKEY
256 3 13 3s9zVJrFr8o3AzCUkM4HXGINwmWJ6AkDFqWk2JZk9kN+p+ZuxJuJ3jFG /qNbkntpUtTr/8dAJwbn3pGk4ttZig==
256 3 13 IFVPlSvpcCqMhVRmMLwirSq0+wJ1uOG4XnZ4R4RxsAwsQQfpW4pSYn+u K5uABrdu+Pi/jRiL9S92x7ubTsH3+A==
257 3 13 yYbn5AYil/ZGAWhDvEqI+HSfl366kG1Y+mD5gSYmQhmNCG+RUKr1aQPR uvvgLVdjRVJi7yhYzQDvmJLdfqEkAA==
RRSIG
DNSKEY 13 2 3600 20260809100000 20260808230000 54018 penguinrandomhouse.com. g7WhKfM5VfgE8i7YjA6JnIO+qGBNTGOdRi/oo/kPVXmCqaWBHgsNOzv2 hR5D4CCgUygvaukpTTn7+V2gm8sXJw==
NS 13 2 172800 20260811022734 20260809002734 15748 penguinrandomhouse.com. hlw9f7Qgb3ChroQunn3iV7pAd4cXWIHz3sf9B3AIShNkyWq4ODbyDLFd BcA0HT/vOTxQ00Iv7rlQTkVfjkM6og==
A 13 2 600 20260809023733 20260809002733 15748 penguinrandomhouse.com. dFudhjrVA0AwPQaTyJrDrCfcRNgqMHw11HkpwOc7adksefe3X9BdyCCo 7yqxhMfs0KETGVrOEwCewPggM1YKXg==
DS 13 2 86400 20260815002732 20260807231732 41446 com. 827r/4TTC2rgoa4+FY2/WY2yPK+/IqxW5OSRHS+9U0jWxcu9afwFnXM5 +/3rm2KvLM4bPFbY25zEjn3uDB3j9w==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP