txtbig.com - robtex.com

txtbig.com

DNSSEC⚠️ Not signed
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
MXtxtbig.com.inbound15.mxlogic.net ⭐
SOAns1.nbcuni.comdomain\@admin.nbcuni.com 2013-02-13 #13

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=1776045702

Same first word

txtbig.com
txtbig.net
txtbig.tv

DNS History

20 records (7 active, 13 former)

200920112013201520172019202120232025NSns1.nbcuni.comns2.nbcuni.comns3.nbcuni.comns4.nbcuni.comns5.nbcuni.comns6.nbcuni.comns1.netbcp.comns2.netbcp.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukMXtxtbig.com.inbound15.mxlogic.nettxtbig.com.inbound15.mxlogicmx.nettxtbig.com.inbound25.mxlogic.nettxtbig.com.inbound25.mxlogicmx.nettxtbig.com.inbound35.mxlogic.nettxtbig.com.inbound35.mxlogicmx.net
●NSns1.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
○NSns1.netbcp.com2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
●NSns2.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
○NSns2.netbcp.net2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
●NSns3.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
●NSns4.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
●NSns5.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
●NSns6.nbcuni.com2026-04-09 → 2026-04-13 · 3 obs
○ 2016-12-26 01:30:24
● 2026-04-09 02:28:08
● 2026-04-13 02:28:38
○NSpdns1.ultradns.net2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
○NSpdns2.ultradns.net2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
○NSpdns3.ultradns.org2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
○NSpdns4.ultradns.org2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
○NSpdns5.ultradns.info2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
○NSpdns6.ultradns.co.uk2015-06-28 → 2016-12-26 · 5 obs
○ 2008-03-16 01:55:54
● 2015-06-28 16:51:32
● 2016-12-26 01:30:24
○ 2026-04-09 02:28:08
○ 2026-04-13 02:28:38
●MXtxtbig.com.inbound15.mxlogic.net2008-03-16 → 2026-04-13 · 2 obs
● 2008-03-16 01:55:54
● 2026-04-13 02:28:38
○MXtxtbig.com.inbound15.mxlogicmx.net2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 01:55:54
○ 2015-06-28 16:51:32
○ 2026-04-13 02:28:38
○MXtxtbig.com.inbound25.mxlogic.net2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 01:55:54
○ 2015-06-28 16:51:32
○ 2026-04-13 02:28:38
○MXtxtbig.com.inbound25.mxlogicmx.net2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 01:55:54
○ 2015-06-28 16:51:32
○ 2026-04-13 02:28:38
○MXtxtbig.com.inbound35.mxlogic.net2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 01:55:54
○ 2015-06-28 16:51:32
○ 2026-04-13 02:28:38
○MXtxtbig.com.inbound35.mxlogicmx.net2008-03-16 → 2008-03-16 · 3 obs
● 2008-03-16 01:55:54
○ 2015-06-28 16:51:32
○ 2026-04-13 02:28:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...-
txtbig.comns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...6 records

✅ Authoritative Response

Server:156.154.64.31

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 txtbig.com (unsigned zone)

⏱️ Timing

Total: 146ms | Queries: -

📄 Records

TypeCountSample Data
NS6ns1.nbcuni.com, ns2.nbcuni.com...
MX1txtbig.com.inbound15.mxlogic.net (pri: 0
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

Name Servers

txtbig.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.

txtbig.com shares some name servers with other domains, for example bravocon2022.com, iwantmyhockey.com, scarfacefilm.net, loverslessons.com and matchboxtvp.com.

Host names with two IP numbers:

ns1.nbcuni.com ->2001:502:f3ff::31 and 156.154.64.31

ns2.nbcuni.com ->2610:a1:1014::31 and 156.154.65.31

ns3.nbcuni.com ->2610:a1:1015::31 and 156.154.66.31

ns4.nbcuni.com ->2001:502:4612::31 and 156.154.67.31

ns5.nbcuni.com ->2610:a1:1016::31 and 156.154.68.31

ns6.nbcuni.com ->2610:a1:1017::31 and 156.154.69.31

Mail Servers

txtbig.com is handled by a single mail server, txtbig.com.inbound15.mxlogic.net.