| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.62.127.89 | 3600s | 0x573e7f59.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | — |
| 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 | 2026080101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-17 06:19:17 | 4696ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 10:35:51 | 923ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 12:33:09 | 654ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 12:38:17 | 467ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 09:15:26 | 923ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 17:52:07 | 554ms | 2 NS 1 A 0 MX | 🔒 Secure | View |