comcastnets.com - dns.ninja

`comcastnets.com`

DNSSEC	⚠️ Not signed
NS	`ns1.nbcuni.com` ⭐
		A	2001:502:f3ff::31^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`ns1.nbcuni.com`
		A	156.154.64.31^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`ns1.nbcuni.com`
NS	`ns2.nbcuni.com`
		A	2610:a1:1014::31^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`ns2.nbcuni.com`
		A	156.154.65.31^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`ns2.nbcuni.com`
NS	`ns3.nbcuni.com`
		A	2610:a1:1015::31^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`ns3.nbcuni.com`
		A	156.154.66.31^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`ns3.nbcuni.com`
NS	`ns4.nbcuni.com`
		A	2001:502:4612::31^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`ns4.nbcuni.com`
		A	156.154.67.31^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`ns4.nbcuni.com`
NS	`ns5.nbcuni.com`
		A	2610:a1:1016::31^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`ns5.nbcuni.com`
		A	156.154.68.31^{🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar}
			PTR	`ns5.nbcuni.com`
NS	`ns6.nbcuni.com`
		A	2610:a1:1017::31^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`ns6.nbcuni.com`
		A	156.154.69.31^{🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar}
			PTR	`ns6.nbcuni.com`
MX	`mxa-00176a04.gslb.pphosted.com` ⭐
		A	67.231.149.53^{🇺🇸 Proofpoint67.231.149.0/24 Inc.}
			PTR	`mx0a-00176a04.pphosted.com`
MX	`mxb-00176a04.gslb.pphosted.com` ⭐
		A	67.231.157.49^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00176a04.pphosted.com`
MX	`mx0a-00176a04.pphosted.com`⁽²⁰⁾
		A	67.231.149.53^{🇺🇸 Proofpoint67.231.149.0/24 Inc.}
			PTR	`mx0a-00176a04.pphosted.com`
MX	`mx0b-00176a04.pphosted.com`⁽²⁰⁾
		A	67.231.157.49^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00176a04.pphosted.com`
TXT	`MS=ms29748672`
TXT	`_voxro1jqj3kz2sxswwb4lvh3vtwyqn8`
TXT	`_xb47jvaiofpn4fvsdivjeqef74lhbz8`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
TXT	`anthropic-domain-verification-23fx4r=p4pQJeLbH728cVNHILDkYr4Cv`
SOA	`ns1.nbcuni.com`domain\@admin.nbcuni.com 2016-09-10 #19

`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=1780574704

Same first word

comcastnets.net

comcastnets.com

comcastnets.tv

Similar names

mescontacts.com

contestcams.com

mescontacts.fr

mescontacts.ch

DNS History

13 records (10 active, 3 former)

○NSns.eonline.com2015-08-12 → 2016-09-01 · 4 obs

● 2015-08-12 11:34:34
● 2016-09-01 10:41:34
○ 2016-09-26 12:31:42
○ 2026-06-04 12:33:34

○NSns1.atdc1.eonline.com2015-08-12 → 2016-09-01 · 4 obs

● 2015-08-12 11:34:34
● 2016-09-01 10:41:34
○ 2016-09-26 12:31:42
○ 2026-06-04 12:33:34

●NSns1.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

○NSns2.eonline.com2015-08-12 → 2016-09-01 · 4 obs

● 2015-08-12 11:34:34
● 2016-09-01 10:41:34
○ 2016-09-26 12:31:42
○ 2026-06-04 12:33:34

●NSns2.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

●NSns3.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

●NSns4.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

●NSns5.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

●NSns6.nbcuni.com2016-09-26 → 2026-06-04 · 3 obs

○ 2016-09-01 10:41:34
● 2016-09-26 12:31:42
● 2026-06-04 12:33:34

●MXmx0a-00176a04.pphosted.com2015-08-12 → 2026-06-04 · 2 obs

● 2015-08-12 11:34:34
● 2026-06-04 12:33:34

●MXmx0b-00176a04.pphosted.com2015-08-12 → 2026-06-04 · 2 obs

● 2015-08-12 11:34:34
● 2026-06-04 12:33:34

●MXmxa-00176a04.gslb.pphosted.com2015-08-12 → 2026-06-04 · 2 obs

● 2015-08-12 11:34:34
● 2026-06-04 12:33:34

●MXmxb-00176a04.gslb.pphosted.com2015-08-12 → 2026-06-04 · 2 obs

● 2015-08-12 11:34:34
● 2026-06-04 12:33:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
comcastnets.com	ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...	6 records

✅ Authoritative Response

Server:156.154.65.31

NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comcastnets.com (unsigned zone)

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns1.nbcuni.com, ns2.nbcuni.com...`
MX	4	`mxa-00176a04.gslb.pphosted.com (pri: 10), mxb-00176a04.gslb.pphosted.com (pri: 10)...`
TXT	5	`MS=ms29748672, _voxro1jqj3kz2sxswwb4lvh3vtwyqn8...`
SOA	1	`ns1.nbcuni.com domain\.admin.nbcuni.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com...)

Analysis

Name Servers

comcastnets.com has 6 name servers — ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com plus three more.

comcastnets.com has at least partial name server overlap with other domains, such as howtotrainyourdragonmovie.com.sg, siempreninostv.com, mun2tv.com and two others.

It is common to see these name servers paired with ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com and seven other name servers.

Hostnames that resolve to two IP addresses:

The A records for ns1.nbcuni.com return 156.154.64.31 and 2001:502:f3ff::31.

The A records for ns2.nbcuni.com return 156.154.65.31 and 2610:a1:1014::31.

The A records for ns3.nbcuni.com return 156.154.66.31 and 2610:a1:1015::31.

The A records for ns4.nbcuni.com return 156.154.67.31 and 2001:502:4612::31.

The A records for ns5.nbcuni.com return 156.154.68.31 and 2610:a1:1016::31.

The A records for ns6.nbcuni.com return 156.154.69.31 and 2610:a1:1017::31.

Mail Servers

comcastnets.com has 4 mail servers responsible for its email: mx0a-00176a04.pphosted.com, mx0b-00176a04.pphosted.com, mxa-00176a04.gslb.pphosted.com and mxb-00176a04.gslb.pphosted.com.

comcastnets.com has at least partial mail server overlap with other domains such as mun2tv.com, nbcumv.com, rotoworld.com and two more.

Four host names, each with a single IP address: mx0a-00176a04.pphosted.com → 67.231.149.53, mx0b-00176a04.pphosted.com → 67.231.157.49, mxa-00176a04.gslb.pphosted.com → 67.231.149.53 and mxb-00176a04.gslb.pphosted.com → 67.231.157.49.

mx0a-00176a04.pphosted.com and mxa-00176a04.gslb.pphosted.com each have 67.231.149.53 IP addresses.

mx0b-00176a04.pphosted.com and mxb-00176a04.gslb.pphosted.com each have 67.231.157.49 IP addresses.