| 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 | xn--reservelge-k6a.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 | |
|---|---|---|---|---|
| 2026-08-27 13:32:55 | 616ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 17:21:13 | 1389ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 12:07:44 | 861ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-21 14:29:59 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 10:57:02 | 936ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 19:29:58 | 1104ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 07:04:36 | 789ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 04:10:51 | 344ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-17 22:05:40 | 719ms | 2 NS 1 A 1 MX | 🔒 Secure | View |