4xfinity.com - dns.ninja

`4xfinity.com`

DNSSEC	⚠️ Not signed
NS	`dns101.comcast.net` ⭐
		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`
		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`
		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`
		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`
		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`
SOA	`dns101.comcast.net`dnsmaster@comcastonline.com serial=2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780935676

Same first word

4xfinity.com

DNS History

9 records (5 active, 4 former)

●NSdns101.comcast.net2026-03-17 → 2026-06-08 · 3 obs

○ 2016-01-06 03:22:46
● 2026-03-17 01:24:16
● 2026-06-08 16:26:04

●NSdns102.comcast.net2026-03-17 → 2026-06-08 · 3 obs

○ 2016-01-06 03:22:46
● 2026-03-17 01:24:16
● 2026-06-08 16:26:04

●NSdns103.comcast.net2026-03-17 → 2026-06-08 · 3 obs

○ 2016-01-06 03:22:46
● 2026-03-17 01:24:16
● 2026-06-08 16:26:04

●NSdns104.comcast.net2026-03-17 → 2026-06-08 · 3 obs

○ 2016-01-06 03:22:46
● 2026-03-17 01:24:16
● 2026-06-08 16:26:04

●NSdns105.comcast.net2026-03-17 → 2026-06-08 · 3 obs

○ 2016-01-06 03:22:46
● 2026-03-17 01:24:16
● 2026-06-08 16:26:04

○NSns1.cybercastco.com2015-06-02 → 2015-10-26 · 4 obs

● 2015-06-02 12:06:42
● 2015-10-26 14:03:20
○ 2016-01-06 03:22:46
○ 2026-06-08 16:26:04

○NSns2.cybercastco.com2015-06-02 → 2015-10-26 · 4 obs

● 2015-06-02 12:06:42
● 2015-10-26 14:03:20
○ 2016-01-06 03:22:46
○ 2026-06-08 16:26:04

○MXmail.4xfinity.com2015-06-02 → 2015-10-26 · 4 obs

● 2015-06-02 12:06:42
● 2015-10-26 14:03:20
○ 2016-01-06 03:22:46
○ 2026-06-08 16:26:04

○A200.74.243.1772015-06-02 → 2015-10-26 · 4 obs

● 2015-06-02 12:06:42
● 2015-10-26 14:03:20
○ 2016-01-06 03:22:46
○ 2026-06-08 16:26:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
4xfinity.com	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...	-

✅ Authoritative Response

Server:68.87.85.132

NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4xfinity.com (unsigned zone)

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	5	`dns105.comcast.net, dns101.comcast.net...`
SOA	1	`dns101.comcast.net dnsmaster.comcastonli`

Analysis

Name Servers

4xfinity.com delegates to 5 name servers — dns101.comcast.net, dns102.comcast.net and dns103.comcast.net among them, along with two more.

4xfinity.com partially shares its NS delegation with several other domains, including 99.181.69.in-addr.arpa, 160.126.24.in-addr.arpa, 135.223.50.in-addr.arpa and two others.

The name servers dns104.comcast.net, dns105.comcast.net, dns101.comcast.net.ccs-chi.comcast.net and ns.feldfamilyfunsweeps.com are often found in use alongside these name servers.

Host names with two IP numbers:

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.