| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.59.250.70 | 43200s | 87-59-250-70-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.59.0.0/16 | 🇩🇰 Denmark | Kongens Lyngby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026083101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-05 06:01:01 | 508ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-09-01 16:12:36 | 995ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 05:19:32 | 467ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-01 16:04:45 | 8389ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 00:44:37 | 1276ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 11:12:58 | 665ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 03:21:17 | 628ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 18:03:22 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 17:38:40 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 04:23:40 | 518ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 20:31:28 | 469ms | 2 NS 1 A 0 MX | 🔒 Secure | View |