| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.102.91.17 | 43200s | laura.kramse.dk | AS47292 | Sentia Denmark A/S | 91.102.88.0/21 | 🇩🇰 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 | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-01 16:05:05 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 00:31:15 | 4561ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 16:33:52 | 2550ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 15:51:51 | 1578ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 15:33:15 | 8613ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 19:50:06 | 2769ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 14:26:08 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 01:31:23 | 1186ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 01:31:19 | 2441ms | 2 NS 1 A 0 MX | 🔒 Secure | View |