| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.157.194.12 | 29221s | 217157194012.dynamic.telenor.dk | AS9158 | Telenor A/S | 217.157.0.0/16 | 🇩🇰 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 | 2026061001 |
| 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 18:29:27 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 10:48:04 | 813ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 21:09:33 | 716ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-01 05:37:55 | 4531ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 21:10:58 | 488ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 06:16:45 | 621ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 01:49:49 | 1112ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 21:56:50 | 1221ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 10:14:31 | 4530ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 13:40:35 | 905ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 21:39:12 | 1148ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 15:15:44 | 927ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:19:50 | 906ms | 2 NS 1 A 0 MX | 🔒 Secure | View |