`clp21.sysadmin.win`

DNSSEC	⚠️ Not signed
A	173.234.30.170^{🇺🇸 DEDICATED-HIVE173.234.30.0/24}
		PTR	`clp21.sysadmin.win`

`sysadmin.win`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:546^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8526^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.70^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.38^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`erin.ns.cloudflare.com` ⭐
NS	`kirk.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
MX	`route2.mx.cloudflare.net`⁽³⁰⁾
MX	`route3.mx.cloudflare.net`⁽⁷⁵⁾
TXT	`google-site-verification=Q5yMstsxqPHwilFaIEXrNqrccFNoE3zDfx7-NQI_4Pk`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.70, 172.67.133.38
		IPv6 hints	2606:4700:3032::6815:546, 2606:4700:3033::ac43:8526
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOA	`erin.ns.cloudflare.com`dns@cloudflare.com serial=2410974836

Similar names

21plc.com.cn

plc21.cn

21cpl.com

21plc.cn

21cpl.online

pcl21.co.jp

DNS History

2 records (1 active, 1 former)

○A103.214.111.342026-05-08 → 2026-05-08 · 3 obs

● 2026-05-08 16:42:46
○ 2026-06-08 19:37:46
○ 2026-08-12 15:56:14

●A173.234.30.1702026-06-08 → 2026-08-12 · 3 obs

○ 2026-05-08 16:42:46
● 2026-06-08 19:37:46
● 2026-08-12 15:56:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
win	a.nic.win, b.nic.win, c.nic.win, ns1.dns.nic.win...	12 records
sysadmin.win	kirk.ns.cloudflare.com, erin.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.113

NS records: kirk.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadmin.win (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.234.30.170`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.win, a.nic.win, b.nic.win...)

Analysis

IP Addresses

clp21.sysadmin.win directs to one IP number, which is 173.234.30.170.

clp21.sysadmin.win - robtex.com