4du.com - dns.ninja

4du.com

DNSSEC⚠️ Not signed
NSns1.4.cn ⚠️ Not in zone NS records
A107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)
NSns2.4.cn ⚠️ Not in zone NS records
A208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24
PTRjensenstilbud.com

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=1785376002

Subdomains

www.4du.com
hostmaster.4du.com

Same first word

4du.org
4du.ai
4du.ru
4du.cn
4du.com.br
4du.com
4du.de

Similar names

ud4.org
du4.net
du4.ru
u4d.org
du4.de
du4.cn
du4.me
ud4.com
u4d.net
d4u.co
d4u.org
d4u.club
ud4.cn
d4u.co.il
u4d.com
d4u.info
d4u.com.br
du4.com
d4u.cc
4ud.ru
d4u.co.uk
4ud.me
du4.co.uk
d4u.se
4ud.de
ud4.ru
d4u.net
d4u.pl
d4u.jp
ud4.de
d4u.it
du4.org
u4d.de
d4u.house
d4u.cz
d4u.biz
d4u.ca
d4u.at
d4u.com.ua
d4u.ru
d4u.co.kr
d4u.com.hr
u4d.co.uk
d4u.es
d4u.in
d4u.co.za
d4u.online
4ud.com
d4u.com
4ud.net
d4u.org.uk
du4.name
d4u.ae
d4u.me
ud4.net
d4u.eu

DNS History

23 records (2 active, 21 former)

20162017201820192020202120222023202420252026NSns1.4.cnns2.4.cnwww.4du.comwww.youxijin.comMXio.bouncemx.comA208.98.40.204208.98.40.207208.98.40.209208.98.40.33208.98.40.74208.98.40.78208.98.43.20208.98.43.74208.98.43.9870.39.84.23270.39.84.23570.39.84.23870.39.84.24170.39.84.24770.39.84.24970.39.84.25070.39.84.252CNAMEnum4.dcoin.co
●NSns1.4.cn2026-02-23 → 2026-07-30 · 3 obs
○ 2016-12-31 14:34:20
● 2026-02-23 00:47:06
● 2026-07-30 02:11:18
●NSns2.4.cn2026-02-23 → 2026-07-30 · 3 obs
○ 2016-12-31 14:34:20
● 2026-02-23 00:47:06
● 2026-07-30 02:11:18
○NSwww.4du.com2015-07-09 → 2016-12-31 · 6 obs
● 2015-07-09 11:07:06
● 2016-07-08 02:40:28
○ 2016-07-29 03:37:28
● 2016-09-10 00:10:18
● 2016-12-31 14:34:20
○ 2026-07-30 02:11:18
○NSwww.youxijin.com2016-07-29 → 2016-07-29 · 4 obs
○ 2016-07-08 02:40:28
● 2016-07-29 03:37:28
○ 2016-09-10 00:10:18
○ 2026-07-30 02:11:18
○MXio.bouncemx.com2015-10-04 → 2016-12-31 · 4 obs
● 2015-10-04 23:53:56
● 2016-12-31 14:34:20
○ 2026-02-23 00:47:06
○ 2026-07-30 02:11:18
○A208.98.40.2042026-02-23 → 2026-02-23 · 4 obs
○ 2016-12-31 14:34:20
● 2026-02-23 00:47:06
○ 2026-04-08 07:12:46
○ 2026-07-30 02:11:18
○A208.98.40.2072026-04-08 → 2026-04-17 · 7 obs
○ 2026-02-23 00:47:06
● 2026-04-08 07:12:46
○ 2026-04-09 23:25:08
○ 2026-04-16 01:52:12
● 2026-04-17 11:27:46
○ 2026-04-23 10:09:18
○ 2026-07-30 02:11:18
○A208.98.40.2092026-04-23 → 2026-04-23 · 4 obs
○ 2026-04-17 11:27:46
● 2026-04-23 10:09:18
○ 2026-06-18 21:31:14
○ 2026-07-30 02:11:18
○A208.98.40.332026-07-05 → 2026-07-05 · 3 obs
○ 2026-07-02 18:30:32
● 2026-07-05 00:07:32
○ 2026-07-30 02:11:18
○A208.98.40.742026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 23:25:08
● 2026-04-11 07:58:12
○ 2026-04-16 01:52:12
○ 2026-07-30 02:11:18
○A208.98.40.782026-04-16 → 2026-04-16 · 4 obs
○ 2026-04-11 07:58:12
● 2026-04-16 01:52:12
○ 2026-04-17 11:27:46
○ 2026-07-30 02:11:18
○A208.98.43.202026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 07:12:46
● 2026-04-09 23:25:08
○ 2026-04-11 07:58:12
○ 2026-07-30 02:11:18
○A208.98.43.742026-06-18 → 2026-06-18 · 4 obs
○ 2026-04-23 10:09:18
● 2026-06-18 21:31:14
○ 2026-07-02 18:30:32
○ 2026-07-30 02:11:18
○A208.98.43.982026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-18 21:31:14
● 2026-07-02 18:30:32
○ 2026-07-05 00:07:32
○ 2026-07-30 02:11:18
○A70.39.84.2322016-03-03 → 2016-03-03 · 4 obs
○ 2015-12-09 20:54:10
● 2016-03-03 10:17:40
○ 2016-05-23 02:26:44
○ 2026-07-30 02:11:18
○A70.39.84.2352015-10-08 → 2015-10-08 · 4 obs
○ 2015-10-06 02:33:30
● 2015-10-08 10:37:10
○ 2015-12-09 20:54:10
○ 2026-07-30 02:11:18
○A70.39.84.2382015-12-09 → 2015-12-09 · 4 obs
○ 2015-10-08 10:37:10
● 2015-12-09 20:54:10
○ 2016-03-03 10:17:40
○ 2026-07-30 02:11:18
○A70.39.84.2412016-12-31 → 2016-12-31 · 4 obs
○ 2016-09-10 00:10:18
● 2016-12-31 14:34:20
○ 2026-02-23 00:47:06
○ 2026-07-30 02:11:18
○A70.39.84.2472015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 11:07:06
○ 2015-10-04 23:53:56
○ 2026-07-30 02:11:18
○A70.39.84.2492016-05-23 → 2016-09-10 · 5 obs
○ 2016-03-03 10:17:40
● 2016-05-23 02:26:44
● 2016-09-10 00:10:18
○ 2016-12-31 14:34:20
○ 2026-07-30 02:11:18
○A70.39.84.2502015-10-06 → 2015-10-06 · 4 obs
○ 2015-10-04 23:53:56
● 2015-10-06 02:33:30
○ 2015-10-08 10:37:10
○ 2026-07-30 02:11:18
○A70.39.84.2522015-10-04 → 2015-10-04 · 4 obs
○ 2015-07-09 11:07:06
● 2015-10-04 23:53:56
○ 2015-10-06 02:33:30
○ 2026-07-30 02:11:18
○CNAMEnum4.dcoin.co2015-07-09 → 2016-12-31 · 4 obs
● 2015-07-09 11:07:06
● 2016-12-31 14:34:20
○ 2026-02-23 00:47:06
○ 2026-07-30 02:11:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...-
4du.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 4du.com (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

TypeCountSample Data
A1208.98.43.100
SOA1www.4du.com 4du.com

Analysis

Hierarchy

www.4du.com and hostmaster.4du.com each fall under 4du.com as their parent domain.

Name Servers

4du.com has two authoritative name servers — ns1.4.cn and ns2.4.cn.

4du.com shares its NS records with other domains, for example gov5.com, jtez.com, st-lh.com and two others.

There is at least partial name server overlap between 4du.com and other domains — yn6.com, euginclinic.cn, 256wx.net and two more among them.

The name servers ns3.goldenname.com, ns4.goldenname.com, ns3.4.cn and two others are commonly seen in use alongside these name servers.

ns1.4.cn → 107.167.27.66 and ns2.4.cn → 208.98.43.66: one IP number per host name.