speedtestcomcast.com - dns.ninja

`speedtestcomcast.com`

DNSSEC	⚠️ Not signed
NS	`dns101.comcast.net` ⚠️ Not in zone NS records
		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 zone NS records
		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 zone NS records
		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 zone NS records
		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 zone NS records
		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`

`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=1781380853

Same first word

speedtestcomcast.com

Similar names

comcastspeedtest.com

comcastspeedtest.net

DNS History

5 records (5 active, 0 former)

●NSdns101.comcast.net2026-02-25 → 2026-06-13 · 2 obs

● 2026-02-25 20:06:16
● 2026-06-13 20:24:44

●NSdns102.comcast.net2026-02-25 → 2026-06-13 · 2 obs

● 2026-02-25 20:06:16
● 2026-06-13 20:24:44

●NSdns103.comcast.net2026-02-25 → 2026-06-13 · 2 obs

● 2026-02-25 20:06:16
● 2026-06-13 20:24:44

●NSdns104.comcast.net2026-02-25 → 2026-06-13 · 2 obs

● 2026-02-25 20:06:16
● 2026-06-13 20:24:44

●NSdns105.comcast.net2026-02-25 → 2026-06-13 · 2 obs

● 2026-02-25 20:06:16
● 2026-06-13 20:24:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
speedtestcomcast.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

⚠️ Insecure (no DNSSEC)

No DS record for speedtestcomcast.com (unsigned zone)

⏱️ Timing

Total: 370ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

speedtestcomcast.com has five name servers, which are dns101.comcast.net, dns102.comcast.net, dns103.comcast.net and two others.

speedtestcomcast.com has at least partial name server overlap with other domains, such as 97.144.50.in-addr.arpa, 212.16.76.in-addr.arpa, 96.115.73.in-addr.arpa and two others.

These name servers tend to appear together with the name servers dns104.comcast.net, dns105.comcast.net and ns.fandanro.com.

Hostnames that resolve to two IP addresses:

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

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

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

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

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