cdio.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.143.218 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by cdio.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 142.132.143.218 | 3600s | cp13.nordicway.dk | AS24940 | Hetzner Online GmbH | 142.132.128.0/17 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | cdio.dk | 142.132.143.218 2a01:4f8:261:15e3::2 |
cp13.nordicway.dk cp13.nordicway.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:261:15e3::2 | 3600s | cp13.nordicway.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 ip4:142.132.143.218 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all |
| Policy | Record (cdio.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:142.132.143.218 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.cdio.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 | cdio.dk (all on cdio.dk) |
| www vs bare domain | Same network cdio.dk: 142.132.143.218 2a01:4f8:261:15e3::2 (AS24940) www.cdio.dk: 142.132.143.218 2a01:4f8:261:15e3::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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.cdio.dk | 3nTFbETbsB5z3tLJudTYULj0Ad1miWbu8zn_vJaDyqI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060101 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 17:00:46 | 1139ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 11:25:28 | 10151ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 09:52:56 | 770ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 06:08:42 | 1356ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 23:27:15 shown | 9818ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 15:10:32 | 944ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:18:17 | 2932ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 17:44:53 | 2499ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 19:55:23 | 571ms | 4 NS 1 A 1 MX | 🔒 Secure |