| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.221.252.76 | 600s | — | AS42876 | Unit IT Services ApS | 77.221.224.0/19 | 🇩🇰 Denmark | Taastrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms36965532 |
| v=spf1 include:spf.protection.outlook.com include:_spf.frontdata.dk -all |
| Policy | Record (marinaandersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.frontdata.dk -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 09:19:28 | 2954ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 21:35:28 | 1691ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-22 05:33:35 | 8961ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-21 05:13:19 | 1301ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 00:44:28 | 5938ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 11:32:48 | 1202ms | 2 NS 1 A 1 MX | 🔒 Secure | View |