337u.cn - robtex.com

337u.cn

DNSSEC⚠️ Not signed
A2606:4700:130:436c:6f75:6466:6c61:7265🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.26Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
A172.67.139.222🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ⚠ Not in HTTPS hints
NSkipp.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cf0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A2803:f800:50::6ca2:c3f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkipp.ns.cloudflare.com
A2a06:98c1:50::ac40:23f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkipp.ns.cloudflare.com
A108.162.195.240🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A162.159.44.240Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A172.64.35.240🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
NSsydney.ns.cloudflare.com
A2606:4700:50::a29f:2666🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A2803:f800:50::6ca2:c266🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsydney.ns.cloudflare.com
A2a06:98c1:50::ac40:2266🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsydney.ns.cloudflare.com
A108.162.194.102🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A162.159.38.102Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
A172.64.34.102🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsydney.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ⚠ 2 unhinted📌 1 extra
IPv4172.64.80.1
IPv62606:4700:130:436c:6f75:6466:6c61:7265
SOAkipp.ns.cloudflare.comdns@cloudflare.com serial=2399493773

cn

DNSSEC⚠️ Not signed
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=2034546407

Same first word

337u.cn

Similar names

u337.com
733u.cc

DNS History

14 records (5 active, 9 former)

2020202120222023202420252026NSkipp.ns.cloudflare.comsydney.ns.cloudflare.comns1.22.cnns2.22.cnA104.21.65.26172.67.139.2222606:4700:130:436c:6f75:6466:6c61:7265188.114.96.0188.114.97.02606:4700:3033::ac43:8bde2606:4700:3036::6815:411a2a06:98c1:3120::42a06:98c1:3121::445.248.9.132
●NSkipp.ns.cloudflare.com2026-02-20 → 2026-03-22 · 3 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-03-22 22:26:04
○NSns1.22.cn2019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 11:42:24
○ 2026-02-20 05:10:56
○ 2026-03-22 22:26:04
○NSns2.22.cn2019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 11:42:24
○ 2026-02-20 05:10:56
○ 2026-03-22 22:26:04
●NSsydney.ns.cloudflare.com2026-02-20 → 2026-03-22 · 3 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-03-22 22:26:04
●A104.21.65.262026-02-20 → 2026-03-22 · 6 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-02-21 09:27:02
○ 2026-03-04 10:00:40
● 2026-03-05 05:29:42
● 2026-03-22 22:26:04
●A172.67.139.2222026-02-20 → 2026-03-22 · 6 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-02-21 09:27:02
○ 2026-03-04 10:00:40
● 2026-03-05 05:29:42
● 2026-03-22 22:26:04
○A188.114.96.02026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-21 09:27:02
● 2026-03-04 10:00:40
○ 2026-03-05 05:29:42
○ 2026-03-22 22:26:04
○A188.114.97.02026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-21 09:27:02
● 2026-03-04 10:00:40
○ 2026-03-05 05:29:42
○ 2026-03-22 22:26:04
●A2606:4700:130:436c:6f75:6466:6c61:72652026-03-22 → 2026-03-22 · 3 obs
○ 2026-03-05 05:29:42
● 2026-03-22 22:26:02
● 2026-03-22 22:26:04
○A2606:4700:3033::ac43:8bde2026-02-20 → 2026-03-05 · 7 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-02-21 09:27:02
○ 2026-03-04 10:00:40
● 2026-03-05 05:29:42
○ 2026-03-22 22:26:02
○ 2026-03-22 22:26:04
○A2606:4700:3036::6815:411a2026-02-20 → 2026-03-05 · 7 obs
○ 2019-12-21 11:42:24
● 2026-02-20 05:10:56
● 2026-02-21 09:27:02
○ 2026-03-04 10:00:40
● 2026-03-05 05:29:42
○ 2026-03-22 22:26:02
○ 2026-03-22 22:26:04
○A2a06:98c1:3120::42026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-21 09:27:02
● 2026-03-04 10:00:40
○ 2026-03-05 05:29:42
○ 2026-03-22 22:26:04
○A2a06:98c1:3121::42026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-21 09:27:02
● 2026-03-04 10:00:40
○ 2026-03-05 05:29:42
○ 2026-03-22 22:26:04
○A45.248.9.1322019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 11:42:24
○ 2026-02-20 05:10:56
○ 2026-03-22 22:26:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
337u.cnkipp.ns.cloudflare.com, sydney.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.34.102

NS records: kipp.ns.cloudflare.com, sydney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 337u.cn (unsigned zone)

⏱️ Timing

Total: 2709ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.139.222, 104.21.65.26
AAAA22606:4700:3036::6815:411a, 2606:4700:3033::ac43:8bde
NS2kipp.ns.cloudflare.com, sydney.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kipp.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

337u.cn resolves to three IP numbers: 2606:4700:130:436c:6f75:6466:6c61:7265, 104.21.65.26 and 172.67.139.222.

Other host names, for instance sdhzgyjc.cn, 781878.9091.top, baconwizard.co.uk, discord.zkns.domains and spk.com.cy share IP numbers with 337u.cn.

Name Servers

337u.cn has two name servers: kipp.ns.cloudflare.com and sydney.ns.cloudflare.com.

337u.cn shares the same name server setup as other domains, for example disilang.com, zomiko.net, madz.cn, lmbn100.com and xhhmxx.com.cn.

337u.cn shares some name servers with other domains, for example bytecatcode.org, pambianconews.com, robertkitchenauctioneering.com, aganjjwx.com and top800.net.

These name servers are commonly used with cesar.ns.cloudflare.com, jerry.ns.cloudflare.com, cody.ns.cloudflare.com, ashley.ns.cloudflare.com and paris.ns.cloudflare.com.

Host names with six IP numbers: kipp.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf0, 2803:f800:50::6ca2:c3f0, 2a06:98c1:50::ac40:23f0, 108.162.195.240, 162.159.44.240 and 172.64.35.240; sydney.ns.cloudflare.com points to: 2606:4700:50::a29f:2666, 2803:f800:50::6ca2:c266, 2a06:98c1:50::ac40:2266, 108.162.194.102, 162.159.38.102 and 172.64.34.102.