`nbcsportsnetwork.com`

DNSSEC	⚠️ Not signed
A	166.78.44.241^{🇺🇸 RACKSPACE-DFW166.78.0.0/18 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
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`
SOA	`ns1.nbcuni.com`domain\@admin.nbcuni.com 2013-02-13 #7

`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=1776036477

Same first word

nbcsportsnetwork.com

DNS History

14 records (7 active, 7 former)

●NSns1.nbcuni.com2017-12-15 → 2026-04-12 · 3 obs

○ 2015-05-23 23:24:24
● 2017-12-15 08:16:44
● 2026-04-12 23:40:06

●NSns2.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-12-15 08:16:44
● 2026-04-09 01:46:40
● 2026-04-12 23:40:06

●NSns3.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-12-15 08:16:44
● 2026-04-09 01:46:40
● 2026-04-12 23:40:06

●NSns4.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-12-15 08:16:44
● 2026-04-09 01:46:40
● 2026-04-12 23:40:06

●NSns5.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-12-15 08:16:44
● 2026-04-09 01:46:40
● 2026-04-12 23:40:06

●NSns6.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-12-15 08:16:44
● 2026-04-09 01:46:40
● 2026-04-12 23:40:06

○NSpdns1.ultradns.net2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

○NSpdns2.ultradns.net2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

○NSpdns3.ultradns.org2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

○NSpdns4.ultradns.org2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

○NSpdns5.ultradns.info2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

○NSpdns6.ultradns.co.uk2015-05-23 → 2017-12-15 · 4 obs

● 2015-05-23 23:24:24
● 2017-12-15 08:16:44
○ 2026-04-09 01:46:40
○ 2026-04-12 23:40:06

●A166.78.44.2412015-12-21 → 2026-04-12 · 3 obs

○ 2015-10-17 14:51:04
● 2015-12-21 14:05:20
● 2026-04-12 23:40:06

○A64.210.192.692015-05-23 → 2015-10-17 · 4 obs

● 2015-05-23 23:24:24
● 2015-10-17 14:51:04
○ 2015-12-21 14:05:20
○ 2026-04-12 23:40:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
nbcsportsnetwork.com	ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...	6 records

✅ Authoritative Response

Server:156.154.67.31

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 nbcsportsnetwork.com (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`166.78.44.241`
NS	6	`ns1.nbcuni.com, ns2.nbcuni.com...`
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

IP Addresses

nbcsportsnetwork.com points to an IP address: 166.78.44.241.

other host names include dogshowusa.com, icehockeytalk.com, rotodirect.com, mobile.nbcsports.com and prohockeytalk.com; they share IP numbers with nbcsportsnetwork.com.

Name Servers

nbcsportsnetwork.com delegates to six name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com and ns6.nbcuni.com.

nbcsportsnetwork.com at least partially shares name servers with other domains, for instance universalnetworks.mobi, dramaforsale.com, c-listcelebrities.org, ivillageportland.com and girlsontv.com.

Host names with two IP numbers:

ns1.nbcuni.com points to 2001:502:f3ff::31 and 156.154.64.31.

ns2.nbcuni.com points to 2610:a1:1014::31 and 156.154.65.31.

ns3.nbcuni.com points to 2610:a1:1015::31 and 156.154.66.31.

ns4.nbcuni.com points to 2001:502:4612::31 and 156.154.67.31.

ns5.nbcuni.com points to 2610:a1:1016::31 and 156.154.68.31.

ns6.nbcuni.com points to 2610:a1:1017::31 and 156.154.69.31.

nbcsportsnetwork.com - robtex.com