| 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 | |
|---|---|---|---|---|
| 2026-08-31 15:18:44 | 464ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 00:51:19 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 06:44:34 | 1739ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 02:36:21 | 1831ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 10:03:40 | 531ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 04:01:40 | 686ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 13:24:35 | 635ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 01:25:26 | 595ms | 2 NS 1 A 0 MX | 🔒 Secure | View |