ws03.cn - robtex.com

ws03.cn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:598b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:a035🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.139Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.53🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkaiser.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c09🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A2803:f800:50::6ca2:c309🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkaiser.ns.cloudflare.com
A2a06:98c1:50::ac40:2309🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkaiser.ns.cloudflare.com
A108.162.195.9🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A162.159.44.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
A172.64.35.9🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkaiser.ns.cloudflare.com
NStessa.ns.cloudflare.com
A2606:4700:50::a29f:26e5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A2803:f800:50::6ca2:c2e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtessa.ns.cloudflare.com
A2a06:98c1:50::ac40:22e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtessa.ns.cloudflare.com
A108.162.194.229🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A162.159.38.229Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A172.64.34.229🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.89.139, 172.67.160.53
IPv62606:4700:3032::6815:598b, 2606:4700:3033::ac43:a035
SOAkaiser.ns.cloudflare.comdns@cloudflare.com serial=2393698631

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=2034456417

Same first word

ws03.cn

Similar names

sw03.sakura.ne.jp
03sw.top
30sw.cc
30sw.net
ws30.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSkaiser.ns.cloudflare.comtessa.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.89.139172.67.160.532606:4700:3032::6815:598b2606:4700:3033::ac43:a035123.60.210.12023.110.240.522606:4700:130:436c:6f75:6466:6c61:726545.76.171.143
○NSf1g1ns1.dnspod.net2015-08-10 → 2017-02-08 · 6 obs
● 2015-08-10 13:15:46
● 2016-01-29 01:03:32
○ 2016-05-29 07:33:20
● 2017-02-08 19:23:54
○ 2026-02-23 04:03:40
○ 2026-03-02 09:02:10
○NSf1g1ns2.dnspod.net2015-08-10 → 2017-02-08 · 6 obs
● 2015-08-10 13:15:46
● 2016-01-29 01:03:32
○ 2016-05-29 07:33:20
● 2017-02-08 19:23:54
○ 2026-02-23 04:03:40
○ 2026-03-02 09:02:10
●NSkaiser.ns.cloudflare.com2026-02-23 → 2026-03-02 · 3 obs
○ 2017-02-08 19:23:54
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
●NStessa.ns.cloudflare.com2026-02-23 → 2026-03-02 · 3 obs
○ 2017-02-08 19:23:54
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
●A104.21.89.1392026-02-23 → 2026-03-02 · 3 obs
○ 2018-08-27 14:32:18
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
○A123.60.210.1202017-02-08 → 2017-02-08 · 4 obs
○ 2015-12-20 23:51:22
● 2017-02-08 19:23:54
○ 2018-08-27 14:32:18
○ 2026-03-02 09:02:10
●A172.67.160.532026-02-23 → 2026-03-02 · 3 obs
○ 2018-08-27 14:32:18
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
○A23.110.240.522015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 13:15:46
○ 2015-12-20 23:51:22
○ 2026-03-02 09:02:10
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-23 → 2026-03-02 · 2 obs
○ 2026-02-23 04:03:40
○ 2026-03-02 09:02:10
●A2606:4700:3032::6815:598b2026-02-23 → 2026-03-02 · 3 obs
○ 2018-08-27 14:32:18
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
●A2606:4700:3033::ac43:a0352026-02-23 → 2026-03-02 · 3 obs
○ 2018-08-27 14:32:18
● 2026-02-23 04:03:40
● 2026-03-02 09:02:10
○A45.76.171.1432018-08-27 → 2018-08-27 · 4 obs
○ 2017-02-08 19:23:54
● 2018-08-27 14:32:18
○ 2026-02-23 04:03:40
○ 2026-03-02 09:02:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...-
ws03.cntessa.ns.cloudflare.com, kaiser.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.35.9

NS records: tessa.ns.cloudflare.com, kaiser.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ws03.cn (unsigned zone)

⏱️ Timing

Total: 838ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.89.139, 172.67.160.53
AAAA22606:4700:3032::6815:598b, 2606:4700:3033::ac43:a035
NS2kaiser.ns.cloudflare.com, tessa.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kaiser.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

ws03.cn points to four IP numbers: 2606:4700:3032::6815:598b, 2606:4700:3033::ac43:a035, 104.21.89.139 and 172.67.160.53.

For instance, other host names knud-immobilien.de, yantest.com, cynergic.com.au, isnimitz.com and b5y3.com share IP numbers with ws03.cn.

Name Servers

ws03.cn is delegated to two name servers: kaiser.ns.cloudflare.com and tessa.ns.cloudflare.com.

ws03.cn uses the same name server setup as other domains such as fenqidian.cn, carbis.cn, vgqy.cn, magic-wedding.cn and palabras.cn.

ws03.cn shares name servers with other domains at least partially, for example kenic.or.ke, jaklec.com, cadavan.com, catalystservice.org and tveik.cc.

These name servers are commonly used with stevie.ns.cloudflare.com, elmo.ns.cloudflare.com and miles.ns.cloudflare.com.

Host names with six IP numbers: host name kaiser.ns.cloudflare.com points to: 2606:4700:58::a29f:2c09, 2803:f800:50::6ca2:c309, 2a06:98c1:50::ac40:2309, 108.162.195.9, 162.159.44.9 and 172.64.35.9; host name tessa.ns.cloudflare.com points to: 2606:4700:50::a29f:26e5, 2803:f800:50::6ca2:c2e5, 2a06:98c1:50::ac40:22e5, 108.162.194.229, 162.159.38.229 and 172.64.34.229.