| 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 | xn--hsterkb-q1af.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 +include:relay.mailchannels.net ~all |
| Policy | Record (høsterkøb.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +include:relay.mailchannels.net ~all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.høsterkøb.dk | Aklz0h3yCU9Ja_KYusqk-EdjwVwmQ35wiED6CrrykRk |
| 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 | 2026081301 |
| 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 | |
|---|---|---|---|---|
| 2026-08-22 00:44:51 | 10078ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-15 12:00:24 | 4836ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-14 06:44:40 | 2505ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-08-02 06:56:17 | 1319ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-30 19:42:11 | 8660ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 18:20:00 | 1292ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-24 17:36:23 | 956ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 21:58:12 | 6603ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-17 13:39:49 | 918ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-12 18:24:47 | 16531ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-10 22:12:59 | 9989ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-08 15:53:55 | 985ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 16:03:44 | 1046ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 02:00:12 | 793ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-06-24 07:40:46 | 632ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-06-19 22:37:55 | 3165ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 23:04:12 | 2708ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:27:24 | 607ms | 0 NS 0 A 0 MX | 🔒 Secure | View |