www.tbs521.com - robtex.com

www.tbs521.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3ce5🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:ca1b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.229Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.27🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.229, 172.67.202.27
IPv6 hints2606:4700:3030::6815:3ce5, 2606:4700:3032::ac43:ca1b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com

tbs521.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3ce5🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:ca1b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.229Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.27🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSharley.ns.cloudflare.com ⭐
NSmona.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.229, 172.67.202.27
IPv6 hints2606:4700:3030::6815:3ce5, 2606:4700:3032::ac43:ca1b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAharley.ns.cloudflare.comdns@cloudflare.com serial=2400806395

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.60.229172.67.202.272606:4700:3030::6815:3ce52606:4700:3032::ac43:ca1bCNAME241606.vhost27.mianbeian.top
●A104.21.60.2292026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 19:28:20
● 2026-04-13 17:09:28
●A172.67.202.272026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 19:28:20
● 2026-04-13 17:09:28
●A2606:4700:3030::6815:3ce52026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 19:28:20
● 2026-04-13 17:09:28
●A2606:4700:3032::ac43:ca1b2026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 19:28:20
● 2026-04-13 17:09:28
○CNAME241606.vhost27.mianbeian.top2017-08-07 → 2017-08-07 · 3 obs
● 2017-08-07 14:00:36
○ 2026-04-10 19:28:20
○ 2026-04-13 17:09:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...-
tbs521.commona.ns.cloudflare.com, harley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.206

NS records: mona.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tbs521.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.202.27, 104.21.60.229
AAAA22606:4700:3030::6815:3ce5, 2606:4700:3032::ac43:ca1b
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (mona.ns.cloudflare.com, mona.ns.cloudflare.com, mona.ns.cloudflare.com...)

Analysis

IP Addresses

www.tbs521.com maps to four IP numbers: 2606:4700:3030::6815:3ce5, 2606:4700:3032::ac43:ca1b, 104.21.60.229 and 172.67.202.27.

other host names include sizusmm.com, uvgy.wangguantv.com, tsotatsotapub.com, broadcastforum.org and noravexilune.sbs; they share IP numbers with www.tbs521.com.