xfinity.com

Valid Email Server
Domain Lookup › xfinity.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
xfinity.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 01:45:59 UTC · ↺ Refresh

MX Hostnames

  • mx2h1.comcast.net
  • mx2a1.comcast.net
  • mx2c1.comcast.net
  • mx1a1.comcast.net
  • mx1h1.comcast.net
  • mx1c1.comcast.net

MX Priorities

  • mx2a1.comcast.net: 5
  • mx2c1.comcast.net: 5
  • mx1c1.comcast.net: 5
  • mx1h1.comcast.net: 5
  • mx1a1.comcast.net: 5
  • mx2h1.comcast.net: 5

A / AAAA Records

  • 96.99.240.155 ↩ xfinitycom-anycast-1p.slb.comcast.com
  • 2001:558:feed:dc:96:99:240:155 ↩ xfinitycom-anycast-1p.slb.comcast.com

Mail Server IPs

  • 96.103.145.162 (no PTR)
  • 96.102.18.146 (no PTR)
  • 96.102.18.147 (no PTR)
  • 96.102.157.181 (no PTR)
  • 96.103.145.163 (no PTR)

SOA Record

Raw SOA dns101.comcast.net dnsadmin.comcast.net 2015042196 7200 3600 604800 900
Primary NS (mname)
dns101.comcast.net
Admin Email (rname)
dnsadmin@comcast.net
Serial
2015042196
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

dns101.comcast.net
dns102.comcast.net
dns103.comcast.net
dns104.comcast.net
dns105.comcast.net

SPF Record

✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 -all
  • google-site-verification=TdiYkU4LcqtDvZoxDOjjUQwrrUnjS0wTKriu25iH-38
  • apple-domain-verification=XqlyQica-2VyxgDz4zdPt1gCVxZ9oHyW13971aF8rbY
  • google-site-verification=jbytp59dW82AQqr9wK5V9-uZhr0wXrCJ7n9U3mUilQg
  • google-site-verification=KqEt_C6gzuYBzr08xM7T6e5yXNmsxUAMu8ZtNQejaCs
Full email verification for xfinity.com

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