| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.136.73.88 | 600s | m18888.contaboserver.net | AS51167 | Contabo GmbH | 213.136.64.0/19 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.zentral.dk | 213.136.73.88 | m18888.contaboserver.net | AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | zentral.dk → 213.136.73.88 |
| 🔶 Autoconfig | zentral.dk → 213.136.73.88 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.zentral.dk | zentral.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030601 |
| 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 11:46:08 | 1040ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 16:59:49 | 4777ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-09 23:14:06 | 5490ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 12:41:12 | 1374ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 02:30:07 | 728ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:38:12 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure | View |