| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.55.159.26 | 43200s | 87-55-159-26-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Aabenraa |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.aagaard-olesen.dk | 87.55.159.26 | 87-55-159-26-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| 20 | 900s | backup-mx.post.tele.dk | 80.160.77.115 | — | AS3292 TDC Holding A/S |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| 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 | |
|---|---|---|---|---|
| 2026-08-31 22:43:40 | 6484ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-12 16:59:35 | 959ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-08 01:26:00 | 4757ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-18 15:31:21 | 831ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-13 17:41:07 | 678ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-02 13:58:46 | 2472ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-23 00:04:43 | 847ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-22 21:23:38 | 1145ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 05:03:25 | 2728ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-16 13:15:10 | 672ms | 2 NS 1 A 2 MX | 🔒 Secure | View |