mail.tl021.com - robtex.com

mail.tl021.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8881🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1a90🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.144Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.129🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.144, 172.67.136.129
IPv6 hints2606:4700:3031::ac43:8881, 2606:4700:3035::6815:1a90
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com

tl021.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8881🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1a90🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.144Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.129🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSpearl.ns.cloudflare.com ⭐
NSstan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.144, 172.67.136.129
IPv6 hints2606:4700:3031::ac43:8881, 2606:4700:3035::6815:1a90
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOApearl.ns.cloudflare.comdns@cloudflare.com serial=2400537723

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DNS History

5 records (4 active, 1 former)

A104.21.26.144172.67.136.1292606:4700:3031::ac43:88812606:4700:3035::6815:1a90192.163.179.142
●A104.21.26.1442026-03-22 → 2026-04-14 · 2 obs
● 2026-03-22 08:41:42
● 2026-04-14 21:38:34
●A172.67.136.1292026-03-22 → 2026-04-14 · 2 obs
● 2026-03-22 08:41:42
● 2026-04-14 21:38:34
○A192.163.179.1422026-03-22 → 2026-04-14 · 2 obs
○ 2026-03-22 08:41:42
○ 2026-04-14 21:38:34
●A2606:4700:3031::ac43:88812026-03-22 → 2026-04-14 · 2 obs
● 2026-03-22 08:41:42
● 2026-04-14 21:38:34
●A2606:4700:3035::6815:1a902026-03-22 → 2026-04-14 · 2 obs
● 2026-03-22 08:41:42
● 2026-04-14 21:38:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tl021.comstan.ns.cloudflare.com, pearl.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.235

NS records: stan.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tl021.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.144, 172.67.136.129
AAAA22606:4700:3031::ac43:8881, 2606:4700:3035::6815:1a90
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.tl021.com maps to four IP numbers: 2606:4700:3031::ac43:8881, 2606:4700:3035::6815:1a90, 104.21.26.144 and 172.67.136.129.

other host names include 532992.sbs, www.ok7777.net, yiwanglian.com.cn, genhex.org and 66v.casino; they share IP numbers with mail.tl021.com.