| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2.104.81.74 | 43200s | 2-104-81-74-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 2.104.0.0/14 | 🇩🇰 Denmark | Store Heddinge |
| 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 | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| 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 | |
|---|---|---|---|---|
| 2026-08-10 15:16:23 | 2088ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 16:22:42 | 8493ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 09:11:26 | 8820ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 21:53:45 | 567ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 07:48:59 | 3207ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-22 20:55:19 | 430ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 14:07:11 | 344ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 23:29:10 | 7088ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 23:04:10 | 267ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-21 20:37:06 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 15:34:33 | 302ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-20 07:35:29 | 708ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 00:16:23 | 552ms | 2 NS 1 A 0 MX | 🔒 Secure | View |