DNS Report: comcast.com

Generated: 2026-08-09T09:19:20-05:00

56/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/205 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.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: dns-upper-redirect.xfinity.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
96.99.227.0
AAAA
CNAME
MX
5 mxa-00143702.gslb.pphosted.com.
5 mxb-00143702.gslb.pphosted.com.
TXT
"apple-domain-verification=VNdTgwsxrDHE4eJM"
"v=spf1 " "ip4:148.163.145.77 ip4:148.163.141.77 ip4:162.150.44.71 ip4:96.114.158.212 ip4:68.87.31.167 ip4:68.87.96.15 ip4:96.114.28.75 ip4:96.114.28.76 ip4:67.231.157.49 ip4:67.231.149.53 ip4:192.28.144.202 " "include:spfext.zapproved.com include:_spf.mdp.comcast.net include:_spf.comcast.com include:spf-00143705.pphosted.com ~all"
"docker-verification=f79a60d9-69ec-4c26-8d54-0165c0943613"
"airtable-verification=d9386eea22fce5ee0d01209512aa7706"
"atlassian-domain-verification=xhDGO0SgEPXcuSpqqvu7kAzZyKrM2pat53VPEt5XvKGHvOq4ErhUFRioLG98Ndh3"
"facebook-domain-verification=f1zw72g52fjiesmld6xtuj467pl7f5"
"al0yn+08kj3q/n1E+s02ttnE5Fd9gIjwjjbn4mCggizGLJepyQ7cMxRTgw4RxYVoZ965qJIHfnH0966SxaicMw=="
"apple-domain-verification=XRKeuEf5cWtc2oDC"
"1password-site-verification=3BCX5ACVKBD73ADOMJ5XWM7JJ4"
"vertexinc-cloud-208b00fd-6b0a-43ae-8e00-1ee7ab817d66"
"docusign=0ead29a6-1c9c-4b0c-865a-85a5a127e776"
"paloaltonetworks-site-verification=b6c919476067691db128e9375b002b801db8ab2a1de767bc27acb829530c59bd"
"snowflake-verification=5bf2f458-019f-1000-8b08-000000000420"
"gitkraken-domain-verification=82a0c351cecd44e7da8f5254930e2b9f4508718255d575583f48949e4a887399"
"pexip-ms-tenant-domain-verification=31cff1f1-d4b6-492b-8d98-5b42f38c3949"
"airtable-verification=644c0c83b6807a2a10c20d4cf57505d7"
"google-site-verification=XdqEZdbhoNgKou31_aOrVN98TKJqxC0Ve3hNPBmSM7M"
"aws-domain-verification=c326827a-0d9a-4061-a35d-1ea2a8afc6f5"
"docusign=8fb076b3-05e6-41c4-a6ee-6f6227be4b11"
"browserstack-domain-verification=e23475d1-ef64-4cf7-bf92-7620239fe86a"
"pendo-domain-verification=XM4f85DQvo0VLA8QzSh-M0bjGEs"
"airtable-verification=31e52307c66bf62d16697b7f0439d35e"
"adobe-idp-site-verification=8c9c59d410322404f7d75a0b3c770ce7b87cf141707b58224143253e1149f489"
"openai-domain-verification=dv-z3jR2RoYFRLipmXTqN9mx5hU"
"3587620"
"eYZbzQ91r/pvvnV/FdrbHyREx7EaAwWLeNYk/EMQrJiGpNCsX4tJcWlHJDFzifTDbfnlhI6koqrm0dYgkIfncg=="
"autodesk-domain-verification=9qi_qkHrCGa8onVbz33s"
"atlassian-domain-verification=J+tB36tc4CyLsnqZ/MTW5tI3SZ+IOFAGTWEgMbo+FLRl+gvI4cSIQmMmTYOPEbTz"
"paloaltonetworks-site-verification=b51e185f274a13eccff6f0e001549d4a2f08fc11c599ffde8f295cc7cf4c3138"
"amazonses:RYuDm+T3xJC87y0v4Cj4JlDm9d5enVzIZcr/arCF7J0="
"atlassian-domain-verification=n+yfnu4Su0J6uQkiatjL+lTNjzOZrPUGOpVn+HiHPwwDgMivjJD5Pwg7yzepfmIC"
"teamviewer-sso-verification=4a24e296450940f48ac4faba9a172fc0"
"mongodb-site-verification=ucqyDX29txaTTi3K4euWVtieT0zCXRrg"
"smartsheet-site-validation=x1Hv84--jB9jvo7M0QQviDXPy_81zS_t"
"airtable-verification=709aa8e31ed274aa8abc0f3a9286141f"
"atlassian-domain-verification=C34TI2IiJOrziv9uyV2Yva6ZoRRCSZPjqc15wZASQfypHgNMl6esmkpDsYYXhjk7"
"airtable-verification=00fd4b2a11b394abba9d040c40502707"
"intersight=3c7c5c60389a6b81830ef696f8761bc121ecf3f10d7cf8eef08f66af90451a8f"
NS
dns101.comcast.net.
dns104.comcast.net.
dns105.comcast.net.
dns102.comcast.net.
dns103.comcast.net.
SOA
dns101.comcast.net. domregtech.comcastonline.com. 2009105038 7200 3600 1209600 900
CAA
DS
9764 13 2 705C2E769020C2AA0583D5AC58D410BF0714ABA694C5C07D37231584 2273D028
DNSKEY
256 3 13 bHDsXNJ7KqOfnSbfP0h1jkgIUUE4YTP6dRYlX77lmtiX8fza0Ajioi/U MZ7NAQpgjENSfAFt8JQPGrLPf4T0Hw==
257 3 13 nzcaaCs20dIRsfvG2udjlYkgP1xXnak/Xm6QgB7H1G2I9ee4zLYezUzN w8R1RnCoyhw4qF21yJ16NQCahAH5XQ==
RRSIG
A 13 2 300 20260810163102 20260803132602 21954 comcast.com. r8sP1u1X4vnPdaED4Ly/QbA5n20Gcp52qY9MT0bgeTmzXlgDvyWJ5g5P lNEtl297Vm9D0gaP086TCaDN4D5ekQ==
NS 13 2 7200 20260810163102 20260803132602 21954 comcast.com. 1eKHUSoW/PymI5IvbXVt43g1S7gJWnSOjRz1ExERV2+5fnahqYxlCUmp ri1O6By257ogG1t/+D7ncEilNgMPMw==
NSEC 13 2 3600 20260810163102 20260803132602 21954 comcast.com. b7SRa02QjZxXe/rsQTo8dzEbGXKid8EejS3iRiLPnwF97O0cEFl6AqSo 9a/LrK7hp5P04stWMDhzhEx8wgYg3g==
DNSKEY 13 2 3600 20260810163102 20260803132602 21954 comcast.com. j9TKPgirPx98c2LnXRw3mDQRh+1RywKfVLi1uoiOfxPkCYF3ertN82po sS/cIwxbTXEzDJLgg/MQP53OikPABA==
DNSKEY 13 2 3600 20261013133102 20260615133102 9764 comcast.com. XhrY7W26x96psJdQIcsYgd5Brtnl+E/q1bG3RQXAdE4hsxiTn3GMxC6e twZE5Y9+lu9NvxlW/Cc8WilgsAqOmA==
SOA 13 2 3600 20260810163102 20260803132602 21954 comcast.com. ciKGeTOjp0vmr1cRy+IGM2FJkK5/ZXU7PLKid68A2wOXzi+KYKZ5p5dT WUVizVOUIhcPTj8nrd5xvaJPhUpHUQ==
TXT 13 2 7200 20260810163102 20260803132602 21954 comcast.com. qTmabfEkRlmBLiKQ6AkZTcrUKe3UAUaqxRdap4kq9ctKPS559ZZkFumH sDwbYAtOSbf/dM8n0u/kcC8zGO6UMA==
MX 13 2 300 20260810163102 20260803132602 21954 comcast.com. u2RpJum4+jEQ7kLZmg0XxpuqrcHfQcXNF7WW/r9bSHwpAfDo8d10nXLb ggwtrStqHzBqxDI6TFCusjgVyA80Rw==
DS 13 2 86400 20260816032036 20260809021036 41446 com. 6xYoCbmQhlEV+9ksOa0F2nCsszS8zBLYRsuQjguqUJU+UiJKmXVAqzeo D5EcyvwsK9TzFe3x2EH51i7ANdbDbA==
NSEC
12c.comcast.com. A NS SOA MX TXT RRSIG NSEC DNSKEY
NSEC3
SRV
NAPTR
TLSA
SSHFP