| 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 | nystedsportscenter.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 ~all |
| Policy | Record (nystedsportscenter.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 ~all |
| Policy | Record (_dmarc.nystedsportscenter.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.nystedsportscenter.dk | kUGPUhhgTGRLKNOkPPetR6q3u2JghNK2cRLYVwLo17U |
| 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 13:41:50 | 6765ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-14 15:23:02 | 1079ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 07:47:43 | 6600ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-27 21:06:33 | 13728ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 20:38:57 | 13538ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 18:39:27 | 13568ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 13:02:56 | 1642ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-29 23:29:46 | 6486ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 20:50:12 | 702ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |