cu.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 26 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.9.90.24 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.cu.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 176.9.90.24 | 3600s | cp10.nordicway.dk | AS24940 | Hetzner Online GmbH | 176.9.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.cu.dk | 176.9.90.24 | cp10.nordicway.dk | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:151:30f0::2 | 3600s | cp10.nordicway.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:176.9.90.24 include:relay.mailchannels.net ~all |
| Policy | Record (cu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:176.9.90.24 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.cu.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | cu.dk (all on cu.dk) |
| www vs bare domain | Same network cu.dk: 176.9.90.24 2a01:4f8:151:30f0::2 (AS24940) www.cu.dk: 176.9.90.24 2a01:4f8:151:30f0::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: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.cu.dk | YU6uA_h6XoTBy6Eg7hKsmbH8x6tXztw2iwMD6HHTLYM |
| 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 | 2026101601 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2016-07-26 |
| Expires | 2027-07-31 (283d) |
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 |
|---|---|
| 16bit.dk | nordicway ApS |
| alm.dk | nordicway ApS |
| alt-ctrl-del.dk | nordicway ApS |
| cmr.dk | nordicway ApS |
| ecb.dk | FIONIA IT ApS |
| stenfeldt.dk | nordicway ApS |
| zzz.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 05:04:13 shown | 1679ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 07:07:16 | 883ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 13:13:32 | 2629ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 22:25:31 | 735ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:55:11 | 899ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:10:44 | 551ms | 4 NS 1 A 1 MX | 🔓 Insecure |