`usn.tw`

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`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all`
SOA	`ns1.nbcuni.com`domain\@admin.nbcuni.com 2024-09-12 #4

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.dns.tw`
	NS	`c.dns.tw`
	NS	`d.dns.tw`
	NS	`e.dns.tw`
	NS	`f.dns.tw`
	NS	`g.dns.tw`
	NS	`h.dns.tw`
	SOA	`a.dns.tw`snw@twnic.net.tw serial=2010999980

Same first word

usn.co.za

usn.at

usn.info

usn.co.jp

usn.ca

usn.pl

usn.hu

usn.net.ua

usn.com.ua

usn.ee

usn.org

usn.dk

usn.life

usn.ch

usn.fr

usn.tv

usn.co.uk

usn.tw

usn.in

usn.io

usn.co

usn.ru

usn.ac

usn.it

usn.co.kr

usn.su

usn.es

usn.com

usn.no

usn.me

usn.nl

usn.cc

usn.net

usn.in.ua

usn.dyndns.org

usn.ac.id

usn.com.es

usn.com.au

usn.kz

usn.global

usn.be

usn.by

usn.co.cz

usn.org.ua

usn.edu.mx

Similar names

sun.club

uns.com.mx

uns.to

sun.co.za

uns.name

nsu.kg

sun.edu.in

snu.co

uns.it

sun.ee

nus.es

snu.no

sun.org

sun.go.kr

nus.dk

nsu.org.au

sun.ca

snu.co.ke

sun.town

sun.school

nsu.be

sun.pm

nsu.com.au

sun.fr

nsu.link

nus.kr

sun.it

nus.edu.ws

nus.cn

snu.su

sun.mobi

sun.discount

sun.law

nus.org.ua

uns.finance

nus.akamaiedge.net

sun.com.au

sun.com.pl

sun.info

uns.fr

sun.legal

snu.fr

nus.si

uns.ac.rs

nsu.ir

nsu.hu

uns.ac

uns.org.pl

nus.in

nsu.com

snu.at

sun.co.uk

nsu.se

snu.hs.kr

sun.by

uns.me

sun.cz

snu.edu

sun.com.ua

nsu.edu.cn

snu.ms.kr

nus.tv

sun.al

uns.cl

nsu.fi

sun.style

sun.com.tw

sun.cash

sun.dental

sun.win

snu.ch

nsu.eu

snu.kr

nsu.de

nus.cat

sun.eu.com

snu.or.kr

snu.com.tr

uns.bio

uns.sk

nus.name

sun.edu.ng

uns.jp

uns.net

sun.io

snu.cl

sun.cab

nus.edu

DNS History

6 records (6 active, 0 former)

●NSns1.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

●NSns2.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

●NSns3.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

●NSns4.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

●NSns5.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

●NSns6.nbcuni.com2026-04-09 → 2026-04-11 · 2 obs

● 2026-04-09 01:49:36
● 2026-04-11 22:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	b.dns.tw, f.dns.tw, e.dns.tw, h.dns.tw...	-
usn.tw	ns1.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns2.nbcuni.com...	-

✅ Authoritative Response

Server:156.154.64.31

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usn.tw (unsigned zone)

⏱️ Timing

Total: 855ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns1.nbcuni.com, ns2.nbcuni.com...`
TXT	1	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p`
SOA	1	`ns1.nbcuni.com domain\.admin.nbcuni.com`

Analysis

Name Servers

usn.tw 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.

usn.tw shares some name servers with other domains, for example fastfuriouscr.com, todaynbc.tv, odysseymovie.com, fastfurious8.de and jubao.tv.

these name servers are commonly used with ns1.netbcp.com, pdns5.ultradns.info, ns2.netbcp.net, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

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

usn.tw - robtex.com

usn.tw

tw

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`usn.tw`

`tw`