| 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 | hasleung.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 (hasleung.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.hasleung.dk | ZSCCMqSoluslH5knhLNRakTRxFKP7vEf0GHrXllhacg |
| 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 | 2026041318 |
| 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 | |
|---|---|---|---|---|
| 2026-08-31 08:42:43 | 2023ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 17:08:37 | 17304ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 06:36:40 | 750ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-23 01:31:16 | 4920ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-20 00:25:49 | 962ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-07 02:30:30 | 8035ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-03 13:32:27 | 1312ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-24 18:47:56 | 13586ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-23 17:29:19 | 775ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-07-18 17:58:52 | 1412ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-07-12 01:41:49 | 1048ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-07-02 21:33:02 | 9027ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 10:54:24 | 1262ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 10:53:13 | 615ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |