DNS Report: oreilly.com

Generated: 2026-08-08T18:15:23-05:00

83/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/206 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/205 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 certificate55/5539 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 167.83.169.34.bc.googleusercontent.com
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
34.169.83.167
AAAA
CNAME
MX
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
10 aspmx3.googlemail.com.
TXT
"onetrust-domain-verification=ae63e0829f794f8eaa9d46794a8e6073"
"stripe-verification=f9c7baf61f54571ffe67b1c557dea5380c1afd51153b97ca71724438405f855b"
"cloudhealth=45f9c4a4-d1eb-4252-b4a1-7d7bb9004040"
"_acme-challenge.omg.oreilly.com.=70A5bqLKoqpSLcGV6WvAQdrNND1WibK55qbSBMsvOjM"
"d7kfp9gbnkkvp5vvphuv80s4oc"
"globalsign-domain-verification=aei6eSS-1p0PqmZ3x4jXFoJt_7l6MenGY6u2FV45qG"
"google-site-verification=neBJBV38v3xXAew00QEe1whxoBx-y0oo0-9840fBTek"
"_figma_sites_verify_customersuccess"
"MS=E75517AC6D8C7C76D0C87E3CF6ABD5F68B91610C"
"_c5xkp6qqlmxx3yajtdb4hqhz82rsazn"
"apple-domain-verification=CObFhoTOkqx87oIs"
"MS=ms79198677"
"calendly-site-verification=KRdabjWvHMSpj0d7HZ7WgAZXIGkbywfZWqJCGrIYd"
"OczFEA1OJs6vDuh7lvXFAcHDrCMg0Bgq35GaGBcrZqs"
"v=spf1 include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:spf.mtasv.net include:mktomail.com include:_spf.salesforce.com ip4:199.27.144.40 ip4:199.83.45.18 ip4:199.83.45.19 ip4:199.83.45.110 ip4:199.83.45.111 " "ip4:199.83.47.124 ip4:199.83.47.125 ip4:162.42.207.20 ip4:208.76.31.37 ip4:162.42.214.212 ip4:104.192.140.117 ip4:72.18.192.0/24 ip4:66.179.217.0/26 ip4:173.209.243.64/26 -all"
"docker-verification=993bde06-01c2-4c04-a1c6-d840bddb0611"
"1password-site-verification=YL4MABUTMFAGTAOZTL6TFWZWBU"
"adobe-idp-site-verification=ad56f341-bb17-4470-8efa-9a9b9c121a4a"
"airtable-verification=1f9f5306621f76be14eb5cde11661c2d"
"m7zd1crqvftqsgdf8v889l9zdqhk3p07"
"openai-domain-verification=dv-ZU9jzgezaEHhPW3jhinsYiGi"
"logmein-verification-code=35fc191f-9043-4216-8bf4-88a05c9e8768"
"pardot1009792=4c05d6fbc27aa34baa25bd9d175c4f3be8941b4c77ce5fba6e78022fdfe194fb"
"zapier-domain-verification-challenge=6257ac03-13a2-49f0-bf05-cff1cac20573"
"BlueXPf24d34d4-6c8c-4419-b3be-53abc864b788"
"1g9d3pyyw5xdhpty461591rx8qtp6y6z"
"MS=ms43057904"
"sophos-domain-verification=2ec763c10efd73f2c1dbceaad2983ea0093f02a5882445675f0885ffcf6ce608"
"_acme-challenge.get.oreilly.com. =L56-9KXCPqPkf5v8bwnTyDjY0p91zvmSsY3mpZ9NmoU"
"openai-domain-verification=dv-p9JzdykFvVDoSGxyY4Y6Y143"
"oci-domain-verification=mwjZ7A40UhcYmctnsvlpDQ4zebV3j9jVCIAqGBSkx"
"atlassian-domain-verification=GJgQnpbhHf0SwculXnJahDb8IZbK2ZXhc5tVW2ZaEx1rCwyJAN6Mq3JwtfTn5X5s"
"rzp-site-verification=a854b4a8b6cd7bfd0c5ebe4edcf00c18"
"anthropic-domain-verification-dnrkbn=q9EUze0gStRgj4wmYfJUGB6V2"
"smartsheet-site-validation=fxm70bCfI2yjd4sAuYUP7eTOck334VGo"
"stripe-verification=FA0A5DF1B861B5632D3B866D38C3327CB0C01D0591C3FAE956610D4BC68DEA64"
"ZOOM_verify_t_KNmIKiQZKkyVMeJxpjnA"
"_yikoj59erdx9jd4sti8idhii7nvf9x2"
"google-site-verification=0QeIVzKsJaBLMuz3ZQ1rVpVCmumDKYRlvZ8fRExJ81Y"
"onetrust-domain-verification=54ccc7392b084e48acfcbc164e2a0ba6"
NS
a1-225.akam.net.
a4-64.akam.net.
a16-65.akam.net.
a20-66.akam.net.
a13-64.akam.net.
a3-67.akam.net.
SOA
a1-225.akam.net. nic-tc.oreilly.com. 2147484470 600 1800 5184000 3600
CAA
0 issue "amazon.com"
0 issue "letsencrypt.org"
0 iodef "mailto:itops@oreilly.com"
0 issue "digicert.com"
0 issue "godaddy.com"
0 issue "pki.goog"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP