| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.59.138.183 | 43200s | 87-59-138-183-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.59.0.0/16 | 🇩🇰 Denmark | Hedehusene |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.rieneck.dk | 87.59.138.183 | 87-59-138-183-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.59.138.183 |
| 🔶 Autoconfig | 87.59.138.183 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-09 18:38:48 | 708ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 03:52:06 | 4856ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-10 11:55:34 | 891ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 22:31:52 | 1238ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 07:25:20 | 1731ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-20 06:16:06 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:27:47 | 543ms | 2 NS 1 A 1 MX | 🔒 Secure | View |