ctrw.cn - dns.ninja

ctrw.cn

DNSSEC⚠️ Not signed
A103.218.240.184🇭🇰 UCLOUD-1103.218.240.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,
A118.193.33.220🇭🇰 UCLOUD-1118.193.33.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,
A118.193.37.94🇭🇰 UCLOUD-1118.193.37.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,
A152.32.171.65🇭🇰 UCLOUD-1152.32.171.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,
A154.85.60.150🇺🇸 BAIDU-1154.85.56.0/21 AS55967
NSpk3.22.cn ⚠️ Not in zone NS records
A39.101.68.48🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC
NSpk4.22.cn ⚠️ Not in zone NS records
A39.101.68.48🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035001161

Previously NS for

ctrw.cn

Same first word

ctrw.cn
ctrw.org
ctrw.net

Similar names

wrtc.jp
wcrt.shop
rctw.com
tcrw.club
cwrt.co.uk
wrtc.pp.ua
cwrt.org
wtrc.nl
wtrc.clinic
cwtr.co.uk
crtw.com
rtwc.co.uk
tcwr.net
rwtc.nl
cwrt.org.uk
wrtc.us
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tcrw.cn
tcrw.co.uk
twrc.net
trwc.org
wtrc.com
rcwt.com
tcwr.cn
rtcw.nl
tcwr.com.au
wrct.co.nz
rctw.net
tcwr.ca
trcw.ac.cn
twrc.com.cn
wcrt.com
rtcw.pro
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twrc.jp
cwrt.uk.com
crwt.com
wrct.us
cwrt.com
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cwtr.co.kr
crwt.cn
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trcw.com.cn
wrct.org
wrct.org.uk
wtrc.net
rtwc.de
wtcr.com
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rtcw.info
rwtc.de
trcw.com
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cwtr.com
trwc.us
rtcw.co.uk
tcrw.net
wrtc.net
wctr.org
trwc.net
wrtc.info
cwtr.cn
wcrt.jp
wcrt.co.uk
wrtc.ru
rwct.com
cwtr.org
twrc.de
crwt.org
trcw.ru
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wrtc.com
wtrc.cn
twrc.ie
rwtc.com
wtrc.de
twrc.us
wrct.tv
wcrt.cn
wrct.cn
trwc.com
rtcw.de
rwtc.com.au
wrtc.ca
rctw.org
rtcw.pl
twrc.co.uk
cwtr.net
rwtc.cn
cwrt.org.au
wrtc.org
cwrt.net
wrtc.ph
crtw.us
rtcw.ws
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tcrw.top
wrct.at
rcwt.org
rwtc.net
rtcw.ru
rtcw.org
rtwc.cn
tcrw.org
rwtc.edu.ps
rtwc.org
twrc.com
tcwr.com
tcwr.org.au
rtcw.eu

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSpk3.22.cnpk4.22.cnctrw.cnns3.dns.comns4.dns.comA103.218.240.184118.193.33.220118.193.37.94152.32.171.65154.85.60.15067.198.211.141CNAMEcs1.ename.net
○NSctrw.cn2015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 19:26:02
○ 2015-12-18 17:37:38
○ 2026-07-04 08:33:00
○NSns3.dns.com2021-01-17 → 2021-01-17 · 4 obs
○ 2015-12-18 17:37:38
● 2021-01-17 19:35:52
○ 2026-03-28 02:26:24
○ 2026-07-04 08:33:00
○NSns4.dns.com2021-01-17 → 2021-01-17 · 4 obs
○ 2015-12-18 17:37:38
● 2021-01-17 19:35:52
○ 2026-03-28 02:26:24
○ 2026-07-04 08:33:00
●NSpk3.22.cn2026-03-28 → 2026-07-04 · 3 obs
○ 2021-01-17 19:35:52
● 2026-03-28 02:26:24
● 2026-07-04 08:33:00
●NSpk4.22.cn2026-03-28 → 2026-07-04 · 3 obs
○ 2021-01-17 19:35:52
● 2026-03-28 02:26:24
● 2026-07-04 08:33:00
●A103.218.240.1842026-03-28 → 2026-07-04 · 8 obs
○ 2015-12-18 17:37:38
● 2026-03-28 02:26:24
● 2026-06-14 21:09:56
○ 2026-06-17 15:31:04
● 2026-06-19 05:19:40
○ 2026-06-22 04:52:24
● 2026-06-24 19:53:20
● 2026-07-04 08:33:00
●A118.193.33.2202026-03-28 → 2026-07-04 · 8 obs
○ 2015-12-18 17:37:38
● 2026-03-28 02:26:24
● 2026-06-14 21:09:56
○ 2026-06-17 15:31:04
● 2026-06-19 05:19:40
○ 2026-06-22 04:52:24
● 2026-06-24 19:53:20
● 2026-07-04 08:33:00
●A118.193.37.942026-03-28 → 2026-07-04 · 8 obs
○ 2015-12-18 17:37:38
● 2026-03-28 02:26:24
● 2026-06-14 21:09:56
○ 2026-06-17 15:31:04
● 2026-06-19 05:19:40
○ 2026-06-22 04:52:24
● 2026-06-24 19:53:20
● 2026-07-04 08:33:00
●A152.32.171.652026-03-28 → 2026-07-04 · 8 obs
○ 2015-12-18 17:37:38
● 2026-03-28 02:26:24
● 2026-06-14 21:09:56
○ 2026-06-17 15:31:04
● 2026-06-19 05:19:40
○ 2026-06-22 04:52:24
● 2026-06-24 19:53:20
● 2026-07-04 08:33:00
●A154.85.60.1502026-03-28 → 2026-07-04 · 8 obs
○ 2015-12-18 17:37:38
● 2026-03-28 02:26:24
● 2026-06-14 21:09:56
○ 2026-06-17 15:31:04
● 2026-06-19 05:19:40
○ 2026-06-22 04:52:24
● 2026-06-24 19:53:20
● 2026-07-04 08:33:00
○A67.198.211.1412015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 19:26:02
○ 2015-12-18 17:37:38
○ 2026-07-04 08:33:00
○CNAMEcs1.ename.net2021-01-17 → 2021-01-17 · 3 obs
● 2021-01-17 19:35:52
○ 2026-03-28 02:26:24
○ 2026-07-04 08:33:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn...-
ctrw.cnpk3.22.cn, pk4.22.cn-

✅ Authoritative Response

Server:39.101.68.48

NS records: pk3.22.cn, pk4.22.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctrw.cn (unsigned zone)

⏱️ Timing

Total: 4083ms | Queries: -

📄 Records

TypeCountSample Data
A5118.193.33.220, 118.193.37.94...

Analysis

IP Addresses

ctrw.cn resolves to five IP numbers: 103.218.240.184, 118.193.33.220, 118.193.37.94 and two others

Two other host names, along with globaldata.cn, mail.tt502.com and www.blacksky.cn, also share IP numbers with ctrw.cn.

Name Servers

ctrw.cn is served by two delegated name servers, pk3.22.cn and pk4.22.cn.

ctrw.cn shares its NS records with other domains, for example hotcourse.com, unex.cn, toper.cn and two others.

pk3.22.cn and pk4.22.cn share one IP address between them — 39.101.68.48.

These two host names — pk3.22.cn and pk4.22.cn — each point to 39.101.68.48 IP addresses.