| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.71.6.142 | 3600s | 217.71.6.142.notinuse.bolignet.dk | AS44134 | Bolignet A/s | 217.71.0.0/20 | 🇩🇰 Denmark | Valby |
| 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 | 2026080901 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 12:04:51 | 696ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 00:17:34 | 8529ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 16:58:10 | 4630ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 01:48:26 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 08:19:01 | 566ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 15:52:01 | 602ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 19:06:55 | 566ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 17:21:39 | 558ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:23:10 | 456ms | 2 NS 1 A 0 MX | 🔒 Secure | View |