| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 13.107.253.52 | 43200s | — | AS8075 | Microsoft Corporation | 13.107.252.0/23 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.msbf.dk | msbf.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080701 |
| 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 07:39:54 | 9557ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-07 11:33:29 | 8878ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 13:12:46 | 1268ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 19:24:26 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 13:43:07 | 775ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:35:01 | 676ms | 2 NS 1 A 0 MX | 🔒 Secure | View |