dev-responds.xfinity.com - dns.ninja

`dev-responds.xfinity.com`

DNSSEC	⚠️ Not signed
A	40.76.218.33^{🇺🇸 Microsoft40.76.0.0/14}
NS	`dns101.comcast.net` ⭐ ⚠️ Not in parent delegation
		A	2001:558:fe23:8:69:252:250:103^{🇺🇸 AS332872001:558:fe23::/48}
			PTR	`dns101.comcast.net`
		A	69.252.250.103^{🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns101.comcast.net`
NS	`dns102.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:1004:7:68:87:85:132^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns102.comcast.net`
		A	68.87.85.132^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns102.comcast.net`
NS	`dns103.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:1014:c:68:87:76:228^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns103.comcast.net`
		A	68.87.76.228^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns103.comcast.net`
NS	`dns104.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:100a:5:68:87:68:244^{🇺🇸 AS77252001:558:100a::/48}
			PTR	`dns104.comcast.net`
		A	68.87.68.244^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns104.comcast.net`
NS	`dns105.comcast.net` ⚠️ Not in parent delegation
		A	2001:558:100e:5:68:87:72:244^{🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns105.comcast.net`
		A	68.87.72.244^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`dns105.comcast.net`
TXT	`capp-tkt-qa-dev.azurewebsites.net`
SOA	`dns101.comcast.net`dnsmaster@comcastonline.com 2013-06-03 #41

`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	`google-site-verification=KqEt_C6gzuYBzr08xM7T6e5yXNmsxUAMu8ZtNQejaCs`
	TXT	`v=spf1 -all`
	TXT	`google-site-verification=TdiYkU4LcqtDvZoxDOjjUQwrrUnjS0wTKriu25iH-38`
	TXT	`apple-domain-verification=XqlyQica-2VyxgDz4zdPt1gCVxZ9oHyW13971aF8rbY`
	TXT	`_j1ncje2qqdf6r89itljcpdy9ybjj8w3`
	TXT	`google-site-verification=jbytp59dW82AQqr9wK5V9-uZhr0wXrCJ7n9U3mUilQg`
	SOA	`dns101.comcast.net`dnsadmin@comcast.net 2015-04-22 #91

WOT: SAFE (89/100)
rank #3191 globally
rank #1661 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #1,909

DNS History

6 records (6 active, 0 former)

●NSdns101.comcast.net2019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

●NSdns102.comcast.net2019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

●NSdns103.comcast.net2019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

●NSdns104.comcast.net2019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

●NSdns105.comcast.net2019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

●A40.76.218.332019-12-13 → 2026-07-14 · 2 obs

● 2019-12-13 14:28:20
● 2026-07-14 11:21:42

🔍 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:69.252.250.103

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: 440ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`40.76.218.33`
NS	5	`dns105.comcast.net, dns101.comcast.net...`
TXT	1	`capp-tkt-qa-dev.azurewebsites.net`
SOA	1	`dns101.comcast.net dnsmaster.comcastonli`

Analysis

IP Addresses

dev-responds.xfinity.com directs to one IP number, which is 40.76.218.33.

Among the host names that share IP numbers with dev-responds.xfinity.com are cpiequipment.com, 866hdrental.com, waws-prod-blu-041.eastus.cloudapp.azure.com and two others.

Name Servers

The authoritative name servers for dev-responds.xfinity.com are dns101.comcast.net, dns102.comcast.net, dns103.comcast.net and two others.

dev-responds.xfinity.com partially shares its NS delegation with several other domains, including kenensville.fl.mgmt.comcast.net, 80.61.68.in-addr.arpa, 0.f.4.0.0.0.4.a.e.5.5.0.1.0.0.2.ip6.arpa and two others.

These name servers are regularly seen alongside dns105.comcast.net and dns104.comcast.net as name servers.

Hosts with two IP numbers each:

dns101.comcast.net has two IP addresses: 69.252.250.103 and 2001:558:fe23:8:69:252:250:103.

dns102.comcast.net has two IP addresses: 68.87.85.132 and 2001:558:1004:7:68:87:85:132.

dns103.comcast.net has two IP addresses: 68.87.76.228 and 2001:558:1014:c:68:87:76:228.

dns104.comcast.net has two IP addresses: 68.87.68.244 and 2001:558:100a:5:68:87:68:244.

dns105.comcast.net has two IP addresses: 68.87.72.244 and 2001:558:100e:5:68:87:72:244.