| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.concrete5danmark.dk | 88.99.120.238 | ns1.dnshotel.dk | AS24940 Hetzner Online GmbH |
| ns2.concrete5danmark.dk | 94.130.170.39 | ns2.dnshotel.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 138.201.255.81 | 360s | server.concrete5danmark.dk | AS24940 | Hetzner Online GmbH | 138.201.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 360s | torbenkaarup.dk | 138.201.255.81 2a01:4f8:173:2652::1 |
server.concrete5danmark.dk server.concrete5danmark.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:173:2652::1 | 3600s | server.concrete5danmark.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 ~all |
| Policy | Record (torbenkaarup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 ~all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.torbenkaarup.dk | NTVGbttQ70adZigY100_ZbeG6FmgHuun5Bdhty2n89g |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061303 |
| Primary NS (MNAME) | ns1.concrete5danmark.dk |
| Responsible (RNAME) | server-admin@azehosting.net |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 04:54:00 | 1252ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 18:26:02 | 720ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 05:56:53 | 11260ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 05:42:55 | 1671ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-17 20:39:04 | 3645ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-16 09:33:36 | 8576ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 02:43:28 | 8922ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-24 02:03:30 | 1645ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-21 19:58:03 | 13631ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 15:54:03 | 9156ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 02:17:59 | 1854ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-16 12:26:38 | 6389ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-09 18:15:47 | 10435ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-08 13:59:15 | 16989ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-02 11:34:01 | 1854ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 05:27:47 | 1189ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 17:15:45 | 862ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 11:00:41 | 1130ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 05:56:34 | 927ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 04:32:40 | 1230ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 21:18:30 | 2631ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 13:29:19 | 1820ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |