| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.51.117 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.180.41 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b429 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:3375 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.51.117,172.67.180.41 ech=AEX+DQBB2wAgACAEf45jgCuGQnz+9J5W2Bip0s4WUpjARwANfZzDySGrSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b429,2606:4700:3035::6815:3375 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms99154983 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (falsterinc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.falsterinc.dk | 440rZ860iZzFPobqbsOrYUrB3xRFQrMrioqSRTwVkMw |
| TXT | _acme-challenge.falsterinc.dk | eOCYOdCvXUrAcCUhSOWmhsarcMir7S-7MiWQTXhmDtk |
| 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 | 2413568801 |
| Primary NS (MNAME) | craig.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 10:52:07 | 2008ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-28 11:30:50 | 3547ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-13 00:04:33 | 2621ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 03:12:37 | 3240ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 13:27:48 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 09:13:06 | 1814ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |