| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.23.255.103 | 43200s | 89-23-255-103.ip4.fiberby.net | AS42541 | Fiberby ApS | 89.23.224.0/19 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | dittman.dk → 89.23.255.103 |
| 🔶 Autoconfig | dittman.dk → 89.23.255.103 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dittman.dk | dittman.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082602 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 21:24:45 | 827ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 15:10:34 | 816ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 01:25:13 | 694ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 06:50:32 | 3102ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 00:28:40 | 2588ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 23:00:11 | 885ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 07:41:09 | 1022ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 03:36:29 | 1298ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 03:30:26 | 514ms | 2 NS 1 A 0 MX | 🔒 Secure | View |