`comcastdnssec.net`

DNSSEC	⚠️ Not signed
A	68.87.64.48^{🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`www.comcast6.net`
		PTR	`speedlab-app03.ndceast.pa.bo.comcast.net`
NS	`ns.comcastdnssec.net` ⭐
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	`ns.comcastdnssec.net`dnsmaster@comcastonline.com serial=2008073609

`net`

	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=1771291465

Subdomains

ns.comcastdnssec.net

Same first word

comcastdnssec.us

comcastdnssec.net

comcastdnssec.org

comcastdnssec.com

comcastdnssec.info

Similar names

dnsseccomcast.us

dnsseccomcast.info

dnsseccomcast.com

dnsseccomcast.org

dnsseccomcast.net

DNS History

7 records (7 active, 0 former)

●NSdns101.comcast.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●NSdns102.comcast.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●NSdns103.comcast.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●NSdns104.comcast.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●NSdns105.comcast.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●NSns.comcastdnssec.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

●A68.87.64.482015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 12:08:24
● 2026-03-23 23:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
comcastdnssec.net	dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...	10 records

✅ Authoritative Response

Server:68.87.76.228

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: 456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.87.64.48`
NS	5	`dns105.comcast.net, dns104.comcast.net...`
SOA	1	`ns.comcastdnssec.net dnsmaster.comcaston`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (dns101.comcast.net, dns101.comcast.net, dns102.comcast.net...)

Analysis

Hierarchy

comcastdnssec.net is the parent of ns.comcastdnssec.net.

IP Addresses

comcastdnssec.net resolves to one IP number: 68.87.64.48.

other host names including dnssec-xfinity.info, dnssecxfinity.net, dnssec-comcast.info, comcastdnssec.com and dnsseccomcast.us share IP numbers with comcastdnssec.net.

Name Servers

comcastdnssec.net is delegated to six name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net and ns.comcastdnssec.net.

comcastdnssec.net at least partially shares name servers with other domains, for instance 120.32.98.in-addr.arpa, 45.7.24.in-addr.arpa, 80.29.76.in-addr.arpa, 55cnc-nrthrd.ma.neweng.comcast.net and 66-240-1-141.isp.comcastbusiness.net.

these name servers are commonly used alongside ns.activaterewards.net.

Host names with two IP numbers:

dns101.comcast.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103

dns102.comcast.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132

dns103.comcast.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228

dns104.comcast.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244

dns105.comcast.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244

comcastdnssec.net - robtex.com