cthi.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.25 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.25 | 3600s | webcluster1.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:ca:1e8e:abec:ffcb | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=QAI_zmJ4Nf080T0mVbHjgqIg3xHW8rbfLbun5RgQ-a0 |
| MS=2BE86B22F31E5C13E0AE7DD9DDFD1AAC19DC32B1 |
| www | 46.30.215.25 2a02:2350:5:10e:ca:1e8e:abec:ffcb (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network cthi.dk: 46.30.215.25 2a02:2350:5:10e:ca:1e8e:abec:ffcb (AS51468) www.cthi.dk: 46.30.215.25 2a02:2350:5:10e:ca:1e8e:abec:ffcb (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101302 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-04-02 |
| Expires | 2027-04-30 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:47:42 shown | 857ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-04 05:21:23 | 575ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 05:11:18 | 579ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 22:16:39 | 690ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-06 04:17:57 | 989ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 10:59:25 | 707ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 14:02:07 | 1274ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-04 04:34:03 | 2816ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 23:38:16 | 8838ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 08:04:03 | 1639ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 20:11:04 | 943ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 16:45:23 | 910ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 23:10:28 | 782ms | 2 NS 1 A 4 MX | 🔒 Secure |