office365.dc-microsoft.workers.dev - robtex.com
office365.dc-microsoft.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:50d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:84b9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.13Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.185🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.5.13, 172.67.132.185 | ||||||
| IPv6 | 2606:4700:3031::6815:50d, 2606:4700:3035::ac43:84b9 | ||||||
dc-microsoft.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | delilah.ns.cloudflare.com ⭐ | ||||||
| NS | sean.ns.cloudflare.com | ||||||
| SOA | delilah.ns.cloudflare.comdns@cloudflare.com serial=2397825827 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●A104.21.5.132026-03-09 → 2026-03-09 · 2 obs
● 2026-03-09 08:11:34
● 2026-03-09 10:11:32
● 2026-03-09 10:11:32
○A172.64.80.12026-03-09 → 2026-03-09 · 2 obs
○ 2026-03-09 08:11:34
○ 2026-03-09 10:11:32
○ 2026-03-09 10:11:32
●A172.67.132.1852026-03-09 → 2026-03-09 · 2 obs
● 2026-03-09 08:11:34
● 2026-03-09 10:11:32
● 2026-03-09 10:11:32
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-09 → 2026-03-09 · 2 obs
○ 2026-03-09 08:11:34
○ 2026-03-09 10:11:32
○ 2026-03-09 10:11:32
●A2606:4700:3031::6815:50d2026-03-09 → 2026-03-09 · 2 obs
● 2026-03-09 08:11:34
● 2026-03-09 10:11:32
● 2026-03-09 10:11:32
●A2606:4700:3035::ac43:84b92026-03-09 → 2026-03-09 · 2 obs
● 2026-03-09 08:11:34
● 2026-03-09 10:11:32
● 2026-03-09 10:11:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| dc-microsoft.workers.dev | delilah.ns.cloudflare.com, sean.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.231
NS records: delilah.ns.cloudflare.com, sean.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 1143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.64.80.1 |
| AAAA | 1 | 2606:4700:130:436c:6f75:6466:6c61:7265 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
office365.dc-microsoft.workers.dev resolves to four IPs: 2606:4700:3031::6815:50d, 2606:4700:3035::ac43:84b9, 104.21.5.13 and 172.67.132.185.
Other host names such as mybit.io, lam44.altervista.org.cdn.cloudflare.net, ajouronline.com, lustigetiernamenbubble.de and total795317.cfd share IP numbers with office365.dc-microsoft.workers.dev.