| 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 | kaikleveuden.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 (kaikleveuden.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.kaikleveuden.dk | P6jRXcb0aG0kuw6q6Rg7nPLzwqMp5PkdA3KVfNdyHaA |
| 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 | 2026061301 |
| 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 12:08:51 | 2608ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 21:42:03 | 864ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 20:08:52 | 9847ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 06:30:29 | 2795ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 05:04:56 | 4114ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-23 02:32:36 | 1371ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 02:17:26 | 2259ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 02:11:14 | 17449ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-12 22:40:05 | 6816ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-09 19:31:10 | 5011ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-28 05:30:43 | 11966ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 04:09:50 | 1602ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-23 03:42:20 | 13565ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-19 08:37:58 | 13529ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-10 03:06:54 | 13551ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-08 12:16:08 | 24613ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 22:01:12 | 1162ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 08:55:05 | 2147ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-30 22:36:13 | 1941ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 04:36:26 | 1243ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 07:32:56 | 3079ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 19:28:08 | 983ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |