| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.57.241.43 | 3600s | 87-57-241-43-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.57.0.0/16 | 🇩🇰 Denmark | Vallensbæk Strand |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | personlige-festsange.dk | 87.57.241.43 | 87-57-241-43-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.57.241.43 |
| 🔶 Autoconfig | 87.57.241.43 |
| TXT Record |
|---|
| Breum Data |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 10:04:15 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 14:15:18 | 699ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 03:28:12 | 4781ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 06:19:47 | 7856ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 22:52:50 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 18:07:46 | 971ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 11:54:11 | 609ms | 2 NS 1 A 1 MX | 🔒 Secure | View |