| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.51.120 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.180.44 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:3378 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:b42c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.51.120,172.67.180.44 ech=AEX+DQBBMwAgACAgxhomKHehEW58NJqh4dTyKWEWuazzuXDGTTnRaCl5ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3378,2606:4700:3036::ac43:b42c |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all |
| Policy | Record (skolenfor.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.skolenfor.dk | m8BM3ZqagCKGlOFhOBghVGe_Sz7UdGsqoQXBmCsRJcw |
| 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 | 2413175422 |
| Primary NS (MNAME) | kip.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 13:18:21 | 7126ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 10:16:19 | 5107ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-23 14:28:21 | 8682ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 13:03:17 | 27966ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 12:51:56 | 2657ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-07 02:50:11 | 14402ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-04 22:30:45 | 5211ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 17:38:48 | 6397ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 17:22:09 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 16:26:04 | 5003ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 05:35:15 | 4573ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 15:06:04 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 03:42:04 | 4892ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 01:21:48 | 1363ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |