| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.57.241.43 |
| 🔶 Autoconfig | 87.57.241.43 |
| TXT Record |
|---|
| v=spf1 include:_include.mxhotel.dk -all |
| Policy | Record (billig-miniferie.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_include.mxhotel.dk -all |
| 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 05:27:17 | 878ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-08-26 08:39:09 | 4673ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-08-22 11:38:01 | 5624ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-27 15:46:00 | 941ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-21 20:04:41 | 719ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-21 14:00:21 | 1452ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-20 11:58:39 | 15140ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-19 14:44:19 | 2979ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-16 14:32:39 | 629ms | 2 NS 1 A 3 MX | 🔒 Secure | View |