| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.7.140 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.149 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.97.189.72 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:bb95 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:78c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.140,172.67.187.149 ech=AEX+DQBB9wAgACCwmr4TQvMbFTMSvbhGKEYke/IhSrzgP8WPsyKNuzNcawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bb95,2606:4700:3037::6815:78c |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms83936737 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (ringsted-privatskole.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 | 2413039045 |
| Primary NS (MNAME) | cory.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-24 17:22:05 | 4511ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-12 05:48:16 | 1328ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-30 09:52:05 | 1155ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 11:53:33 | 1566ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 08:09:59 | 6180ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 04:19:05 | 998ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 14:15:35 | 1807ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 05:11:38 | 22472ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |