development.microsoft-offices.workers.dev - robtex.com

development.microsoft-offices.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:a121🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:9ad🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.173Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.33🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.9.173, 172.67.161.33
IPv6 hints2606:4700:3034::ac43:a121, 2606:4700:3036::6815:9ad
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com

microsoft-offices.workers.dev

DNSSEC⚠️ Not signed
NSlindsey.ns.cloudflare.com ⭐
NSrodney.ns.cloudflare.com
SOAlindsey.ns.cloudflare.comdns@cloudflare.com serial=2411260722

Same first word

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DNS History

14 records (4 active, 10 former)

A104.21.9.173172.67.161.332606:4700:3034::ac43:a1212606:4700:3036::6815:9ad188.114.96.0188.114.96.4188.114.97.0188.114.97.42606:4700:3032::ac43:a1212606:4700:3037::6815:9ad2a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●A104.21.9.1732026-04-07 → 2026-08-13 · 8 obs
● 2026-04-07 21:21:28
● 2026-05-29 16:24:48
○ 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-06-09 23:10:44
○ 2026-07-27 11:24:30
● 2026-07-27 11:59:18
● 2026-08-13 11:53:22
●A172.67.161.332026-04-07 → 2026-08-13 · 8 obs
● 2026-04-07 21:21:28
● 2026-05-29 16:24:48
○ 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-06-09 23:10:44
○ 2026-07-27 11:24:30
● 2026-07-27 11:59:18
● 2026-08-13 11:53:22
○A188.114.96.02026-06-01 → 2026-06-01 · 4 obs
○ 2026-06-01 15:29:36
● 2026-06-01 16:06:54
○ 2026-06-09 23:10:44
○ 2026-08-13 11:53:22
○A188.114.96.42026-06-01 → 2026-07-27 · 6 obs
○ 2026-05-29 16:24:48
● 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-07-27 11:24:30
○ 2026-07-27 11:59:18
○ 2026-08-13 11:53:22
○A188.114.97.02026-06-01 → 2026-06-01 · 4 obs
○ 2026-06-01 15:29:36
● 2026-06-01 16:06:54
○ 2026-06-09 23:10:44
○ 2026-08-13 11:53:22
○A188.114.97.42026-06-01 → 2026-07-27 · 6 obs
○ 2026-05-29 16:24:48
● 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-07-27 11:24:30
○ 2026-07-27 11:59:18
○ 2026-08-13 11:53:22
○A2606:4700:3032::ac43:a1212026-04-07 → 2026-06-14 · 8 obs
● 2026-04-07 21:21:28
● 2026-05-29 16:24:48
○ 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-06-09 23:10:44
● 2026-06-14 10:13:12
○ 2026-07-08 17:52:16
○ 2026-08-13 11:53:22
●A2606:4700:3034::ac43:a1212026-07-08 → 2026-08-13 · 5 obs
○ 2026-06-14 10:13:12
● 2026-07-08 17:52:16
○ 2026-07-27 11:24:30
● 2026-07-27 11:59:18
● 2026-08-13 11:53:22
●A2606:4700:3036::6815:9ad2026-07-08 → 2026-08-13 · 5 obs
○ 2026-06-14 10:13:12
● 2026-07-08 17:52:16
○ 2026-07-27 11:24:30
● 2026-07-27 11:59:18
● 2026-08-13 11:53:22
○A2606:4700:3037::6815:9ad2026-04-07 → 2026-06-14 · 8 obs
● 2026-04-07 21:21:28
● 2026-05-29 16:24:48
○ 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
● 2026-06-09 23:10:44
● 2026-06-14 10:13:12
○ 2026-07-08 17:52:16
○ 2026-08-13 11:53:22
○A2a06:98c1:3120::2026-06-01 → 2026-07-27 · 6 obs
○ 2026-06-01 15:29:36
● 2026-06-01 16:06:54
○ 2026-06-09 23:10:44
● 2026-07-27 11:24:30
○ 2026-07-27 11:59:18
○ 2026-08-13 11:53:22
○A2a06:98c1:3120::42026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-29 16:24:48
● 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
○ 2026-08-13 11:53:22
○A2a06:98c1:3121::2026-06-01 → 2026-07-27 · 6 obs
○ 2026-06-01 15:29:36
● 2026-06-01 16:06:54
○ 2026-06-09 23:10:44
● 2026-07-27 11:24:30
○ 2026-07-27 11:59:18
○ 2026-08-13 11:53:22
○A2a06:98c1:3121::42026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-29 16:24:48
● 2026-06-01 15:29:36
○ 2026-06-01 16:06:54
○ 2026-08-13 11:53:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
microsoft-offices.workers.devlindsey.ns.cloudflare.com, rodney.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.5

NS records: lindsey.ns.cloudflare.com, rodney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 386ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.161.33, 104.21.9.173
AAAA22606:4700:3034::ac43:a121, 2606:4700:3036::6815:9ad
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

development.microsoft-offices.workers.dev has four IP addresses: 104.21.9.173, 172.67.161.33, 2606:4700:3034::ac43:a121 and 2606:4700:3036::6815:9ad.

Two other host names, along with blowflyalarmclock.net, zhibo-9game.com and thecuriousbumblebee.com, also share IP numbers with development.microsoft-offices.workers.dev.