| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.25.131 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.134.65 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:1983 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:8641 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.25.131,172.67.134.65 ech=AEX+DQBBOAAgACCoHv6+0vAqMmPAoHuYGDp/hbTGrX5q1kGCAuTjYfMZcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1983,2606:4700:3037::ac43:8641 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms29732050 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (universitiesdenmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412969780 |
| Primary NS (MNAME) | grace.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-25 11:57:44 | 1093ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 11:26:17 | 1881ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-16 11:37:52 | 1439ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 09:44:22 | 1734ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 00:17:10 | 2795ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |