| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.48.132.254 | 43200s | cpe.ge-5-2-8-340.hvinqe10.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.48.132.254 |
| 🔶 Autoconfig | 87.48.132.254 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 07:22:55 | 675ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 09:50:43 | 641ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 02:42:50 | 619ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 08:51:08 | 572ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 20:18:30 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 09:04:37 | 2308ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 12:54:46 | 949ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 20:15:35 | 345ms | 2 NS 1 A 0 MX | 🔒 Secure | View |