root.fivedou.cn - robtex.com

root.fivedou.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cb1c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5545🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.69Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.28🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.69, 172.67.203.28
IPv6 hints2606:4700:3030::ac43:cb1c, 2606:4700:3033::6815:5545
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com

fivedou.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cb1c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5545🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.69Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.28🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdesi.ns.cloudflare.com ⭐
NSwells.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.85.69, 172.67.203.28
IPv6 hints2606:4700:3030::ac43:cb1c, 2606:4700:3033::6815:5545
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOAdesi.ns.cloudflare.comdns@cloudflare.com serial=2397355679

Same first word

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026MXmail.skrimple.comA104.21.85.69172.67.203.282606:4700:3030::ac43:cb1c2606:4700:3033::6815:5545127.0.0.1172.64.80.12606:4700:130:436c:6f75:6466:6c61:726597.74.144.83
○MXmail.skrimple.com2015-11-03 → 2015-11-03 · 3 obs
● 2015-11-03 18:06:58
○ 2016-01-27 09:54:58
○ 2026-04-14 02:34:40
●A104.21.85.692026-02-18 → 2026-04-14 · 6 obs
○ 2016-01-27 09:54:58
● 2026-02-18 10:25:50
● 2026-02-22 19:54:20
○ 2026-02-27 05:40:44
● 2026-03-04 03:25:58
● 2026-04-14 02:34:40
○A127.0.0.12015-11-03 → 2015-11-03 · 4 obs
○ 2015-05-24 17:46:48
● 2015-11-03 18:06:58
○ 2016-01-27 09:54:58
○ 2026-04-14 02:34:40
○A172.64.80.12026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-22 19:54:20
● 2026-02-27 05:40:44
○ 2026-03-04 03:25:58
○ 2026-04-14 02:34:40
●A172.67.203.282026-02-18 → 2026-04-14 · 6 obs
○ 2016-01-27 09:54:58
● 2026-02-18 10:25:50
● 2026-02-22 19:54:20
○ 2026-02-27 05:40:44
● 2026-03-04 03:25:58
● 2026-04-14 02:34:40
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-22 19:54:20
● 2026-02-27 05:40:44
○ 2026-03-04 03:25:58
○ 2026-04-14 02:34:40
●A2606:4700:3030::ac43:cb1c2026-02-18 → 2026-04-14 · 6 obs
○ 2016-01-27 09:54:58
● 2026-02-18 10:25:50
● 2026-02-22 19:54:20
○ 2026-02-27 05:40:44
● 2026-03-04 03:25:58
● 2026-04-14 02:34:40
●A2606:4700:3033::6815:55452026-02-18 → 2026-04-14 · 6 obs
○ 2016-01-27 09:54:58
● 2026-02-18 10:25:50
● 2026-02-22 19:54:20
○ 2026-02-27 05:40:44
● 2026-03-04 03:25:58
● 2026-04-14 02:34:40
○A97.74.144.832015-05-24 → 2015-05-24 · 3 obs
● 2015-05-24 17:46:48
○ 2015-11-03 18:06:58
○ 2026-04-14 02:34:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
fivedou.cndesi.ns.cloudflare.com, wells.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.125

NS records: desi.ns.cloudflare.com, wells.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fivedou.cn (unsigned zone)

⏱️ Timing

Total: 956ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.85.69, 172.67.203.28
AAAA22606:4700:3033::6815:5545, 2606:4700:3030::ac43:cb1c
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

root.fivedou.cn points to four IP numbers: 2606:4700:3030::ac43:cb1c, 2606:4700:3033::6815:5545, 104.21.85.69 and 172.67.203.28.

Other host names, for instance 5161828.com, www.fightwear.ie.cdn.cloudflare.net, ethioexplorer.com, libyantenders.ly and ghcr-mirror.chinesepocket.com share IP numbers with root.fivedou.cn.