| 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 | perzona.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 (perzona.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.perzona.dk | K93Qso5nbYAlkqcJubOmywcYD3uS3xG8yd9S7bLKkZs |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 02:28:07 | 12232ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-14 17:04:14 | 884ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-13 02:47:14 | 1634ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-27 21:07:10 | 9377ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 20:28:44 | 8572ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-07-25 19:35:02 | 12348ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-22 18:01:34 | 10092ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-21 15:40:35 | 968ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 14:47:19 | 9834ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 18:15:17 | 24556ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-17 15:09:18 | 1035ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-09 21:04:02 | 17004ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-06 23:13:26 | 1137ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 04:40:03 | 2469ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 19:57:36 | 1980ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 17:06:15 | 868ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 15:42:10 | 1032ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 11:18:54 | 2454ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 23:10:02 | 3932ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |