nbcschooltools.com - robtex.com

nbcschooltools.com

DNSSEC⚠️ Not signed
A63.241.60.70🇺🇸 AS701863.240.0.0/15
NSns1.nbcuni.com ⭐
A2001:502:f3ff::31🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRns1.nbcuni.com
A156.154.64.31🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRns1.nbcuni.com
NSns2.nbcuni.com
A2610:a1:1014::31🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRns2.nbcuni.com
A156.154.65.31🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRns2.nbcuni.com
NSns3.nbcuni.com
A2610:a1:1015::31🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRns3.nbcuni.com
A156.154.66.31🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRns3.nbcuni.com
NSns4.nbcuni.com
A2001:502:4612::31🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRns4.nbcuni.com
A156.154.67.31🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRns4.nbcuni.com
NSns5.nbcuni.com
A2610:a1:1016::31🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRns5.nbcuni.com
A156.154.68.31🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRns5.nbcuni.com
NSns6.nbcuni.com
A2610:a1:1017::31🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRns6.nbcuni.com
A156.154.69.31🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRns6.nbcuni.com
SOAns1.nbcuni.comdomain\@admin.nbcuni.com 2015-12-08 #14

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776053067

Same first word

nbcschooltools.com

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns1.nbcuni.comns2.nbcuni.comns3.nbcuni.comns4.nbcuni.comns5.nbcuni.comns6.nbcuni.comns.ge.comns1.ge.comns1.netbcp.comns2.ge.comns2.netbcp.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukA63.241.60.70
○NSns.ge.com2015-05-25 → 2017-12-21 · 6 obs
● 2015-05-25 02:56:36
● 2015-09-24 02:29:44
○ 2015-12-29 21:02:22
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSns1.ge.com2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
●NSns1.nbcuni.com2015-12-29 → 2026-04-13 · 3 obs
○ 2015-09-24 02:29:44
● 2015-12-29 21:02:22
● 2026-04-13 04:28:42
○NSns1.netbcp.com2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSns2.ge.com2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
●NSns2.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-21 12:51:42
● 2026-04-09 01:56:20
● 2026-04-13 04:28:42
○NSns2.netbcp.net2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
●NSns3.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-21 12:51:42
● 2026-04-09 01:56:20
● 2026-04-13 04:28:42
●NSns4.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-21 12:51:42
● 2026-04-09 01:56:20
● 2026-04-13 04:28:42
●NSns5.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-21 12:51:42
● 2026-04-09 01:56:20
● 2026-04-13 04:28:42
●NSns6.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-12-21 12:51:42
● 2026-04-09 01:56:20
● 2026-04-13 04:28:42
○NSpdns1.ultradns.net2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSpdns2.ultradns.net2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSpdns3.ultradns.org2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSpdns4.ultradns.org2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSpdns5.ultradns.info2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
○NSpdns6.ultradns.co.uk2015-05-25 → 2017-12-21 · 4 obs
● 2015-05-25 02:56:36
● 2017-12-21 12:51:42
○ 2026-04-09 01:56:20
○ 2026-04-13 04:28:42
●A63.241.60.702015-05-25 → 2026-04-13 · 2 obs
● 2015-05-25 02:56:36
● 2026-04-13 04:28:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
nbcschooltools.comns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...6 records

✅ Authoritative Response

Server:156.154.68.31

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 nbcschooltools.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

TypeCountSample Data
A163.241.60.70
NS6ns1.nbcuni.com, ns2.nbcuni.com...
SOA1ns1.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

nbcschooltools.com resolves to a single IP address: 63.241.60.70.

Other host names including nbc-olympics.com, chillerhd.com, olympicnbc.net, chillernetwork.com and chiller.tv share IP numbers with nbcschooltools.com.

Name Servers

nbcschooltools.com is delegated to six name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com and ns6.nbcuni.com.

nbcschooltools.com at least partially shares name servers with other domains, including aguas-siniestras.com, universalplusfrance.fr, watchfivenightsatfreddysmovie.com, nbcownedtelevisionstations.info and syfyuniversal.nl.

Host names with two IP numbers:

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

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

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

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

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

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