ustb.com - dns.ninja

ustb.com

DNSSEC⚠️ Not signed
A208.98.40.36🇺🇸 SHARKTECH-1208.98.40.0/24
NSwww.ustb.com ⭐
A208.98.43.99🇺🇸 SHARKTECH-1208.98.43.0/24
PTRnode-208-98-43-99.reverse.x4b.me
NSns1.4.cn ⚠️ Not in zone NS records
NSns2.4.cn ⚠️ Not in zone NS records
A208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24
PTRjensenstilbud.com
SOAwww.ustb.comustb@com 2008-08-03 #0

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=1786587249

Subdomains

www.ustb.com

Same first word

ustb.us
ustb.de
ustb.org
ustb.ac.id
ustb.edu.pk
ustb.com
ustb.ru
ustb.no
ustb.pl
ustb.net
ustb.edu.cn

Similar names

stub.ca
tsbu.biz
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tbus.com.br
utsb.kiev.ua
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sutb.cz
ubst.club
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ubts.de
tusb.com
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bust.nl
stub.world
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stub.be
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buts.ua
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bust.club
buts.cn
buts.fr
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ubts.ru
usbt.org
bstu.uz
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tubs.ru
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sutb.com
sbut.de
stub.no
stbu.org
bust.io
buts.com
stub.at
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bust.eu
ubst.de
btsu.tj
stub.me
buts.eu
stub.net
ubts.net
tubs.it
tsub.eu
tusb.sakura.ne.jp
usbt.ru
buts.net
bsut.de
stub.se
buts.lv
bstu.cn
bust.dk
tsbu.com.ua
utbs.ws
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tubs.in
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tubs.org
tbus.org
tubs.parts
stub.org
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btus.app
stub.ch
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utbs.de
utsb.org
stub.com.au
bust.clinic
stbu.de
bust.co.in
stub.app
utsb.ru
tbus.net
sutb.ru
tsub.com
subt.ru
tubs.ie
bust.cn
buts.us
utbs.com
bust.de
subt.cl
buts.me
bstu.org
utsb.com
subt.de
stub.tickets
usbt.eu
stub.in
tsbu.cn
bsut.com
utbs.co
buts.nl
stub.cn
ubst.space
bust.me
tubs.biz
stub.com
bstu.ru
tsub.de
sbut.com
subt.com.tw
usbt.de
bust.ch
utbs.pl
sutb.de
bust.se
subt.net
stub.tk
ubts.org.ua
bstu.de
buts.co.kr
tsbu.ru
tbus.kr
tbus.ru
btsu.de
stub.us
bust.be
tbus.it

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns1.4.cnns2.4.cnwww.ustb.comns1.renewyourname.netns2.renewyourname.netnsauth1.introweb.nlnsauth2.introweb.nlnsauth3.introweb.netMXrelay.introweb.nlsmtp.introweb.nlA208.98.40.36208.98.40.9569.172.201.217
●NSns1.4.cn2026-07-03 → 2026-08-13 · 3 obs
○ 2017-04-19 08:45:18
● 2026-07-03 15:32:00
● 2026-08-13 02:34:22
○NSns1.renewyourname.net2017-04-19 → 2017-04-19 · 4 obs
○ 2017-01-01 07:39:34
● 2017-04-19 08:45:18
○ 2026-07-03 15:32:00
○ 2026-08-13 02:34:22
●NSns2.4.cn2026-07-03 → 2026-08-13 · 3 obs
○ 2017-04-19 08:45:18
● 2026-07-03 15:32:00
● 2026-08-13 02:34:22
○NSns2.renewyourname.net2017-04-19 → 2017-04-19 · 4 obs
○ 2017-01-01 07:39:34
● 2017-04-19 08:45:18
○ 2026-07-03 15:32:00
○ 2026-08-13 02:34:22
○NSnsauth1.introweb.nl2015-08-25 → 2017-01-01 · 4 obs
● 2015-08-25 02:47:56
● 2017-01-01 07:39:34
○ 2017-04-19 08:45:18
○ 2026-08-13 02:34:22
○NSnsauth2.introweb.nl2015-08-25 → 2017-01-01 · 4 obs
● 2015-08-25 02:47:56
● 2017-01-01 07:39:34
○ 2017-04-19 08:45:18
○ 2026-08-13 02:34:22
○NSnsauth3.introweb.net2015-08-25 → 2017-01-01 · 4 obs
● 2015-08-25 02:47:56
● 2017-01-01 07:39:34
○ 2017-04-19 08:45:18
○ 2026-08-13 02:34:22
●NSwww.ustb.com2026-07-03 → 2026-08-13 · 3 obs
○ 2017-04-19 08:45:18
● 2026-07-03 15:32:00
● 2026-08-13 02:34:22
○MXrelay.introweb.nl2015-08-25 → 2017-01-01 · 4 obs
● 2015-08-25 02:47:56
● 2017-01-01 07:39:34
○ 2017-04-19 08:45:18
○ 2026-08-13 02:34:22
○MXsmtp.introweb.nl2015-08-25 → 2017-01-01 · 4 obs
● 2015-08-25 02:47:56
● 2017-01-01 07:39:34
○ 2017-04-19 08:45:18
○ 2026-08-13 02:34:22
●A208.98.40.362026-08-13 → 2026-08-13 · 2 obs
○ 2026-07-03 15:32:00
● 2026-08-13 02:34:22
○A208.98.40.952026-07-03 → 2026-07-03 · 3 obs
○ 2017-04-19 08:45:18
● 2026-07-03 15:32:00
○ 2026-08-13 02:34:22
○A69.172.201.2172017-04-19 → 2017-04-19 · 3 obs
● 2017-04-19 08:45:18
○ 2026-07-03 15:32:00
○ 2026-08-13 02:34:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ustb.comns1.4.cn, ns2.4.cn-

✅ Authoritative Response

Server:208.98.43.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ustb.com (unsigned zone)

⏱️ Timing

Total: 732ms | Queries: -

📄 Records

TypeCountSample Data
A1208.98.40.221
SOA1www.ustb.com ustb.com

Analysis

Hierarchy

The domain www.ustb.com falls under the parent ustb.com.

IP Addresses

ustb.com resolves to one IP address: 208.98.40.36.

www.spitem.com.cn, sicai.com, zkyouth.org and two other host names share IP numbers with ustb.com.

Name Servers

Three name servers are authoritative for ustb.com: ns1.4.cn, ns2.4.cn and www.ustb.com.

At least some of ustb.com's name servers are shared with other domains, for example mami.cn, rmpz.com, gdvase.com and two more.

It is common to find these name servers alongside the name servers ns3.goldenname.com, ns4.goldenname.com, www.mami.cn and two others.

Each of ns2.4.cn and www.ustb.com has one IP address: ns2.4.cn uses 208.98.43.66 and www.ustb.com uses 208.98.43.99.