`mcitp.microsoft2020.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2a7d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cddd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.125^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.221^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.125, 172.67.205.221
		IPv6 hints	2606:4700:3032::6815:2a7d, 2606:4700:3037::ac43:cddd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com

`microsoft2020.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`lorna.ns.cloudflare.com` ⭐
	NS	`tom.ns.cloudflare.com`
	SOA	`lorna.ns.cloudflare.com`dns@cloudflare.com serial=2401617793

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DNS History

4 records (4 active, 0 former)

●A104.21.42.1252026-04-11 → 2026-04-14 · 2 obs

● 2026-04-11 04:40:56
● 2026-04-14 22:11:16

●A172.67.205.2212026-04-11 → 2026-04-14 · 2 obs

● 2026-04-11 04:40:56
● 2026-04-14 22:11:16

●A2606:4700:3032::6815:2a7d2026-04-11 → 2026-04-14 · 2 obs

● 2026-04-11 04:40:56
● 2026-04-14 22:11:16

●A2606:4700:3037::ac43:cddd2026-04-11 → 2026-04-14 · 2 obs

● 2026-04-11 04:40:56
● 2026-04-14 22:11:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
microsoft2020.workers.dev	lorna.ns.cloudflare.com, tom.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.147

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.42.125, 172.67.205.221`
AAAA	2	`2606:4700:3032::6815:2a7d, 2606:4700:3037::ac43:cddd`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mcitp.microsoft2020.workers.dev maps to four IP numbers: 2606:4700:3032::6815:2a7d, 2606:4700:3037::ac43:cddd, 104.21.42.125 and 172.67.205.221.

Other host names, for instance surfulater.com, filmydes.com, www.autorou.ro, a9ly.com and 021104.onetvapi.win share IP numbers with mcitp.microsoft2020.workers.dev.

mcitp.microsoft2020.workers.dev - robtex.com