postmaster.xfinity.com - dns.ninja
postmaster.xfinity.com
| CNAME | spa.xfinity.com | ||||||
| CNAME | spa.apps.comcast.net | ||||||
| CNAME | spa.g.app.cloud.comcast.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 96.97.67.217🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
xfinity.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:558:feed:dc:96:99:240:155🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| A | 96.99.240.155🇺🇸 COMCAST-IBONE96.96.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| NS | dns101.comcast.net ⭐ | ||||||
| NS | dns102.comcast.net | ||||||
| NS | dns103.comcast.net | ||||||
| NS | dns104.comcast.net | ||||||
| NS | dns105.comcast.net | ||||||
| MX | mx1a1.comcast.net ⭐ | ||||||
| MX | mx1c1.comcast.net ⭐ | ||||||
| MX | mx1h1.comcast.net ⭐ | ||||||
| MX | mx2a1.comcast.net ⭐ | ||||||
| MX | mx2c1.comcast.net ⭐ | ||||||
| MX | mx2h1.comcast.net ⭐ | ||||||
| TXT | apple-domain-verification=XqlyQica-2VyxgDz4zdPt1gCVxZ9oHyW13971aF8rbY | ||||||
| TXT | _j1ncje2qqdf6r89itljcpdy9ybjj8w3 | ||||||
| TXT | google-site-verification=jbytp59dW82AQqr9wK5V9-uZhr0wXrCJ7n9U3mUilQg | ||||||
| TXT | google-site-verification=KqEt_C6gzuYBzr08xM7T6e5yXNmsxUAMu8ZtNQejaCs | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | google-site-verification=TdiYkU4LcqtDvZoxDOjjUQwrrUnjS0wTKriu25iH-38 | ||||||
| SOA | dns101.comcast.netdnsadmin@comcast.net 2015-04-22 #91 | ||||||
rank #3174 globally
rank #1651 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #1,907
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○CNAMEpostmaster.comcast.net2018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 13:45:56
○ 2026-02-20 01:44:30
○ 2026-07-15 06:59:30
○ 2026-02-20 01:44:30
○ 2026-07-15 06:59:30
●CNAMEspa.xfinity.com2026-02-20 → 2026-07-15 · 3 obs
○ 2018-11-07 13:45:56
● 2026-02-20 01:44:30
● 2026-07-15 06:59:30
● 2026-02-20 01:44:30
● 2026-07-15 06:59:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| xfinity.com | dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net... | - |
✅ Authoritative Response
Server:68.87.68.244
NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | spa.xfinity.com |
Analysis
IP Addresses
postmaster.xfinity.com directs to one IP number, which is 96.97.67.217.
partners-site-ui.gslb2.comcast.com, search4e.g.app.cloud.comcast.net and internetsecurity.g.app.cloud.comcast.net are examples of other host names that share IP numbers with postmaster.xfinity.com.