| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.gigahost.dk | 89.186.169.85 | — | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | root-systems.dk → 46.183.138.100 |
| 🔶 Autoconfig | root-systems.dk → 46.183.138.100 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rootsystems.dk | root-systems.dk |
| TXT | root-systems.dk | protonmail-verification=634830c0d37208bf14f711cf97cbb2f3aa7b5f31 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 05:12:32 | 657ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-25 17:40:41 | 2533ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-12 06:48:12 | 1212ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-18 21:00:08 | 924ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-15 06:22:18 | 8979ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-04 23:20:12 | 4431ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-22 10:04:00 | 775ms | 2 NS 0 A 1 MX | ⚠️ Bogus | View |
| 2026-06-18 07:14:51 | 774ms | 2 NS 0 A 1 MX | 🔒 Secure | View |