| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.88.157.228 | 43200s | 83-88-157-228-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.88.128.0/19 | 🇩🇰 Denmark | Elsinore |
| 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 | 2026083001 |
| 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 19:57:02 | 1520ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-01 06:51:41 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 13:15:28 | 625ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 13:26:25 | 494ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 18:49:20 | 1094ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-16 18:31:13 | 449ms | 2 NS 1 A 0 MX | 🔒 Secure | View |