fe3.microsoft-outlook-update.workers.dev - robtex.com

fe3.microsoft-outlook-update.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cb8e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:4a8f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.143Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.142🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.143, 172.67.203.142
IPv6 hints2606:4700:3030::ac43:cb8e, 2606:4700:3032::6815:4a8f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com

microsoft-outlook-update.workers.dev

DNSSEC⚠️ Not signed
NSpaityn.ns.cloudflare.com ⭐
NStom.ns.cloudflare.com
TXTca3-0dd1e8217e454924979944e1ab8db38e
TXTca3-441d28e4d92449259c6f1576c37c3029
TXTca3-6752bbf406184f2aabbb97517372bfdb
TXTca3-ebabb70c74ec40fd90c6dc7b2828b826
TXTca3-ef72447a00da49df928eae64f6d04205
SOApaityn.ns.cloudflare.comdns@cloudflare.com serial=2409971498

Same first word

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fe3.pl
fe3.org
fe3.ch
fe3.co
fe3.ru
fe3.de
fe3.com
fe3.xyz

Similar names

e3f.cc
f3e.es
ef3.eu
e3f.de
e3f.cn
ef3.biz
ef3.at
3fe.cn
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e3f.net
3ef.com.cn
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f3e.network
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3ef.me
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f3e.com.br
3ef.ru
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e3f.org
ef3.ru
e3f.uk
ef3.it
3ef.pl
ef3.de
f3e.co.za
3ef.fr
f3e.de

DNS History

10 records (4 active, 6 former)

A104.21.74.143172.67.203.1422606:4700:3030::ac43:cb8e2606:4700:3032::6815:4a8f188.114.96.0188.114.97.02606:4700:3034::ac43:cb8e2606:4700:3036::6815:4a8f2a06:98c1:3120::2a06:98c1:3121::
●A104.21.74.1432026-02-16 → 2026-07-25 · 5 obs
● 2026-02-16 00:52:40
○ 2026-02-17 17:42:58
○ 2026-03-14 20:54:54
● 2026-05-29 14:15:42
● 2026-07-25 13:29:46
●A172.67.203.1422026-02-16 → 2026-07-25 · 5 obs
● 2026-02-16 00:52:40
○ 2026-02-17 17:42:58
○ 2026-03-14 20:54:54
● 2026-05-29 14:15:42
● 2026-07-25 13:29:46
○A188.114.96.02026-02-17 → 2026-03-14 · 5 obs
○ 2026-02-16 00:52:40
● 2026-02-17 17:42:58
● 2026-03-14 20:54:54
○ 2026-05-29 14:15:42
○ 2026-07-25 13:29:46
○A188.114.97.02026-02-17 → 2026-03-14 · 5 obs
○ 2026-02-16 00:52:40
● 2026-02-17 17:42:58
● 2026-03-14 20:54:54
○ 2026-05-29 14:15:42
○ 2026-07-25 13:29:46
●A2606:4700:3030::ac43:cb8e2026-07-25 → 2026-07-25 · 2 obs
○ 2026-05-29 14:15:42
● 2026-07-25 13:29:46
●A2606:4700:3032::6815:4a8f2026-07-25 → 2026-07-25 · 2 obs
○ 2026-05-29 14:15:42
● 2026-07-25 13:29:46
○A2606:4700:3034::ac43:cb8e2026-02-16 → 2026-05-29 · 5 obs
● 2026-02-16 00:52:40
○ 2026-02-17 17:42:58
○ 2026-03-14 20:54:54
● 2026-05-29 14:15:42
○ 2026-07-25 13:29:46
○A2606:4700:3036::6815:4a8f2026-02-16 → 2026-05-29 · 5 obs
● 2026-02-16 00:52:40
○ 2026-02-17 17:42:58
○ 2026-03-14 20:54:54
● 2026-05-29 14:15:42
○ 2026-07-25 13:29:46
○A2a06:98c1:3120::2026-02-17 → 2026-03-14 · 5 obs
○ 2026-02-16 00:52:40
● 2026-02-17 17:42:58
● 2026-03-14 20:54:54
○ 2026-05-29 14:15:42
○ 2026-07-25 13:29:46
○A2a06:98c1:3121::2026-02-17 → 2026-03-14 · 5 obs
○ 2026-02-16 00:52:40
● 2026-02-17 17:42:58
● 2026-03-14 20:54:54
○ 2026-05-29 14:15:42
○ 2026-07-25 13:29:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
microsoft-outlook-update.workers.devpaityn.ns.cloudflare.com, tom.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.18

NS records: paityn.ns.cloudflare.com, tom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.143, 172.67.203.142
AAAA22606:4700:3032::6815:4a8f, 2606:4700:3030::ac43:cb8e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

fe3.microsoft-outlook-update.workers.dev directs to four IP numbers, which are 104.21.74.143, 172.67.203.142, 2606:4700:3030::ac43:cb8e and 2606:4700:3032::6815:4a8f.

srtzwy.com, www.tihiakut.com, hgpro.co plus two other host names have IP numbers in common with fe3.microsoft-outlook-update.workers.dev.