nsec.dk is a .dk domain served by 2 nameservers (ns1.nsec.dk, ns2.nsec.dk). It was registered on 7 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.95.175 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.nsec.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.90.95.175 | — | cp01.nsec.dk | AS24940 | Hetzner Online GmbH | 157.90.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.nsec.dk | 157.90.95.175 2a01:4f8:252:4110::2 |
cp01.nsec.dk cp01.nsec.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:252:4110::2 | — | cp01.nsec.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| google-site-verification=fpH67z23-nhyHwItY3rIonLobkwPDobvyaE6gAwxXkM |
| v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 -all |
| Policy | Record (nsec.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 -all |
| Policy | Record (_dmarc.nsec.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400 |
| www CNAME | nsec.dk (all on nsec.dk) |
| www vs bare domain | Same network nsec.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) www.nsec.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2026052501 |
| Primary NS (MNAME) | ns1.nsec.dk |
| Responsible (RNAME) | michael@nsec.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Key-Systems GmbH |
| Registered | 2001-09-07 |
| Expires | 2027-08-31 (317d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| cpadmin.dk | Key-Systems GmbH |
| cpadmins.dk | Key-Systems GmbH |
| cpaneladmin.dk | Key-Systems GmbH |
| cpaneladmins.dk | Key-Systems GmbH |
| enterpriselinux.dk | Key-Systems GmbH |
| nordicmind.dk | Key-Systems GmbH |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 14:04:24 | 810ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:50:47 | 745ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 19:18:11 | 9814ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 23:43:36 | 882ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 13:21:37 | 1452ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 07:23:42 | 1164ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:43:19 shown | 879ms | 2 NS 1 A 1 MX | 🔓 Insecure |