mail.3est.com - robtex.com

mail.3est.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8bd5🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3edf🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.62.223Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.213🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.62.223, 172.67.139.213
IPv6 hints2606:4700:3030::ac43:8bd5, 2606:4700:3036::6815:3edf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com

3est.com

DNSSEC⚠️ Not signed
NSeric.ns.cloudflare.com ⭐
NSmary.ns.cloudflare.com
SOAeric.ns.cloudflare.comdns@cloudflare.com serial=2407012603

Same first word

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DNS History

10 records (4 active, 6 former)

A104.21.62.223172.67.139.2132606:4700:3030::ac43:8bd52606:4700:3036::6815:3edf188.114.96.0188.114.97.02606:4700:3031::6815:3edf2606:4700:3034::ac43:8bd52a06:98c1:3120::2a06:98c1:3121::
●A104.21.62.2232026-05-16 → 2026-07-15 · 3 obs
○ 2026-02-22 00:33:14
● 2026-05-16 05:33:34
● 2026-07-15 11:10:38
●A172.67.139.2132026-05-16 → 2026-07-15 · 3 obs
○ 2026-02-22 00:33:14
● 2026-05-16 05:33:34
● 2026-07-15 11:10:38
○A188.114.96.02026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 00:33:14
○ 2026-05-16 05:33:34
○ 2026-07-15 11:10:38
○A188.114.97.02026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 00:33:14
○ 2026-05-16 05:33:34
○ 2026-07-15 11:10:38
●A2606:4700:3030::ac43:8bd52026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 23:14:58
● 2026-07-15 11:10:36
● 2026-07-15 11:10:38
○A2606:4700:3031::6815:3edf2026-05-16 → 2026-05-24 · 5 obs
○ 2026-02-22 00:33:14
● 2026-05-16 05:33:34
● 2026-05-24 23:14:58
○ 2026-07-15 11:10:36
○ 2026-07-15 11:10:38
○A2606:4700:3034::ac43:8bd52026-05-16 → 2026-05-24 · 5 obs
○ 2026-02-22 00:33:14
● 2026-05-16 05:33:34
● 2026-05-24 23:14:58
○ 2026-07-15 11:10:36
○ 2026-07-15 11:10:38
●A2606:4700:3036::6815:3edf2026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 23:14:58
● 2026-07-15 11:10:36
● 2026-07-15 11:10:38
○A2a06:98c1:3120::2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 00:33:14
○ 2026-05-16 05:33:34
○ 2026-07-15 11:10:38
○A2a06:98c1:3121::2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 00:33:14
○ 2026-05-16 05:33:34
○ 2026-07-15 11:10:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...-
3est.comeric.ns.cloudflare.com, mary.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.112

NS records: eric.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3est.com (unsigned zone)

⏱️ Timing

Total: 1027ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.139.213, 104.21.62.223
AAAA22606:4700:3030::ac43:8bd5, 2606:4700:3036::6815:3edf
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.3est.com points to the four IP addresses 104.21.62.223, 172.67.139.213, 2606:4700:3030::ac43:8bd5 and 2606:4700:3036::6815:3edf.

Two other host names, along with mariberjuangbersama.pro, www.wanchai298.com and defensalagodetota.info, also share IP numbers with mail.3est.com.