| 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 | arkitur.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 | 14400s | 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 +ip4:159.100.183.187 +include:relays.webhost-mail.com +include:relay.mailchannels.net ~all |
| Policy | Record (arkitur.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +ip4:159.100.183.187 +include:relays.webhost-mail.com +include:relay.mailchannels.net ~all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.arkitur.dk | 45C1qfnZk6-TLwNq3rQElCGzeYtLuhW4UYfLUf9AzV0 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 18:03:34 | 817ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 17:50:03 | 728ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 14:35:51 | 10289ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-19 10:22:16 | 5022ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-14 21:52:45 | 9415ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-11 16:36:54 | 5008ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 06:04:12 | 5000ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-02 16:19:38 | 868ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 12:57:58 | 6830ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 12:40:20 | 861ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-24 12:16:57 | 8641ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-23 09:59:03 | 1987ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 02:45:57 | 869ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-17 00:13:38 | 8775ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-15 22:39:27 | 4706ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-08 21:43:06 | 957ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-03 09:04:00 | 1461ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 08:57:45 | 2465ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 19:23:52 | 2399ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 00:24:46 | 1369ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 12:58:44 | 1346ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |