comcast.com
Xfinity - Internet, WiFi, Mobile, TV and Streaming
comcast.com is registered with CSC Corporate Domains, Inc. since August 29, 1995 (31.2 years). The registration expires on August 28, 2027. The site runs on Akamai, Swiper, Akamai Bot Manager and 1 other technologies. Its email security grade is B. Its SSL certificate is issued by Sectigo Limited and is valid for 137 more days.
- Domain age
- 31.2 yrs
- Technologies
- 4
- Email security
- B
- SSL days left
- 137
Registration
| Registrar | CSC Corporate Domains, Inc. |
|---|---|
| IANA ID | 299 |
| Registered | August 29, 1995 |
| Expires | August 28, 2027 |
| Updated | August 24, 2026 |
| Status | client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited |
| Name servers | dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 96.99.240.171 | 300 |
| MX | mxa-00143702.gslb.pphosted.com 5 | 300 |
| MX | mxb-00143702.gslb.pphosted.com 5 | 300 |
| NS | dns101.comcast.net | 3490 |
| NS | dns102.comcast.net | 3490 |
| NS | dns103.comcast.net | 3490 |
| NS | dns104.comcast.net | 3490 |
| NS | dns105.comcast.net | 3490 |
| TXT | 3587620 | 86400 |
| TXT | 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 | 86400 |
| TXT | apple-domain-verification=VNdTgwsxrDHE4eJM | 86400 |
| TXT | apple-domain-verification=XRKeuEf5cWtc2oDC | 86400 |
| TXT | docusign=0ead29a6-1c9c-4b0c-865a-85a5a127e776 | 86400 |
| TXT | docusign=8fb076b3-05e6-41c4-a6ee-6f6227be4b11 | 86400 |
| TXT | jamf-site-verification=dhyRo-LWGQSaI_eP_MgF6A | 86400 |
| TXT | autodesk-domain-verification=9qi_qkHrCGa8onVbz33s | 86400 |
| TXT | lucidlink-verification=C2SQJ938H6WG1S7VTCG7CQWX6R | 86400 |
| TXT | bluebeam-verification=1t8stncnxzduj5vzylu1on0ziyj5lj | 86400 |
| TXT | vertexinc-cloud-208b00fd-6b0a-43ae-8e00-1ee7ab817d66 | 86400 |
| TXT | vertexinc-cloud-e3114068-91a7-4c75-9497-3b774c7f4edf | 86400 |
| AAAA | 2001:558:feed:dc:96:99:240:171 | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GB, Sectigo Public Server Authentication CA OV R36, Sectigo Limited |
| Expires | March 27, 2027 |
| Days remaining | 137 |
| Protocol | TLSv1.2 |
| Names | comcast.com, www.comcast.com |
Email security
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: k1, k2, s1, s2).
- good2 MX record(s) found. Mail is handled by Proofpoint.
Homepage metadata
| Title | Xfinity - Internet, WiFi, Mobile, TV and Streaming |
|---|---|
| Description | Save on high speed internet, mobile phone plans and cable TV services with Xfinity. Enjoy entertainment your way with great deals on Xfinity by Comcast. |
| Language | en |
| Canonical | https://www.xfinity.com/ |
| Indexable | Yes |
| Word count | 537 |
About comcast.com
Who is the registrar of comcast.com?
comcast.com is registered with CSC Corporate Domains, Inc. (IANA ID 299).
When does comcast.com expire?
The current registration of comcast.com expires on August 28, 2027. It was first registered on August 29, 1995.
What technology does comcast.com use?
We detected 4 technologies on comcast.com, including Akamai, Swiper, Akamai Bot Manager, HSTS.
Does comcast.com protect its email with SPF and DMARC?
comcast.com scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of comcast.com?
comcast.com uses dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net.