tu4.org - robtex.com

tu4.org

CNAMEwww.baidu.com
CNAMEwww.a.shifen.com
CNAMEwww.wshifen.com
DNSSEC⚠️ Not signed

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1786590821

Previously NS for

tu4.org

Same first word

tu4.cn
tu4.org
tu4.de
tu4.ru
tu4.com
tu4.net
tu4.me
tu4.co.uk

Similar names

4tu.com
4tu.nl
t4u.online
ut4.ch
4tu.it
t4u.org
t4u.de
t4u.com
t4u.at
ut4.us
u4t.de
4ut.jp
t4u.info
4tu.co
t4u.bz
t4u.ma
t4u.eu
ut4.net
t4u.it
t4u.nu
t4u.shop
ut4.de
t4u.ch
t4u.com.br
4ut.ir
u4t.com
t4u.co.jp
t4u.su
t4u.no
4ut.mobi
4tu.cn
t4u.ru
ut4.com
t4u.tv
4tu.net
t4u.us
t4u.pl
t4u.mobi
t4u.cz
t4u.email
t4u.com.tw
t4u.co.nz
u4t.cc
u4t.org
t4u.biz

DNS History

10 records (3 active, 7 former)

20162017201820192020202120222023202420252026NSns.t00.lsns1.t00.lsdns01.muumuu-domain.comdns02.muumuu-domain.comns1.sedoparking.comns2.sedoparking.comtu4.orgMXmail.nickstel.comA72.52.4.119CNAMEwww.baidu.com
○NSdns01.muumuu-domain.com2015-08-16 → 2015-10-17 · 4 obs
● 2015-08-16 16:38:10
● 2015-10-17 16:15:14
○ 2016-01-03 20:23:00
○ 2026-08-13 03:53:10
○NSdns02.muumuu-domain.com2015-08-16 → 2015-10-17 · 4 obs
● 2015-08-16 16:38:10
● 2015-10-17 16:15:14
○ 2016-01-03 20:23:00
○ 2026-08-13 03:53:10
●NSns.t00.ls2026-06-12 → 2026-08-13 · 3 obs
○ 2016-04-15 13:38:20
● 2026-06-12 10:21:32
● 2026-08-13 03:53:10
○NSns1.sedoparking.com2016-04-15 → 2016-04-15 · 4 obs
○ 2016-01-03 20:23:00
● 2016-04-15 13:38:20
○ 2026-06-12 10:21:32
○ 2026-08-13 03:53:10
●NSns1.t00.ls2026-06-12 → 2026-08-13 · 3 obs
○ 2016-04-15 13:38:20
● 2026-06-12 10:21:32
● 2026-08-13 03:53:10
○NSns2.sedoparking.com2016-04-15 → 2016-04-15 · 4 obs
○ 2016-01-03 20:23:00
● 2016-04-15 13:38:20
○ 2026-06-12 10:21:32
○ 2026-08-13 03:53:10
○NStu4.org2015-08-16 → 2015-10-17 · 4 obs
● 2015-08-16 16:38:10
● 2015-10-17 16:15:14
○ 2016-01-03 20:23:00
○ 2026-08-13 03:53:10
○MXmail.nickstel.com2016-04-15 → 2016-04-15 · 3 obs
● 2016-04-15 13:38:20
○ 2026-06-12 10:21:32
○ 2026-08-13 03:53:10
○A72.52.4.1192016-04-15 → 2016-04-15 · 3 obs
● 2016-04-15 13:38:20
○ 2026-06-12 10:21:32
○ 2026-08-13 03:53:10
●CNAMEwww.baidu.com2026-06-12 → 2026-08-13 · 2 obs
● 2026-06-12 10:21:32
● 2026-08-13 03:53:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
tu4.orgns.t00.ls, ns1.t00.ls-

✅ Authoritative Response

Server:47.243.121.75

NS records: ns.t00.ls, ns1.t00.ls

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tu4.org (unsigned zone)

⏱️ Timing

Total: 812ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1www.baidu.com