johnc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 September 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.149 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.149 | 3600s | webcluster1.webpod14-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.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:ae:f986:2b78:f278 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.149 2a02:2350:5:10c:ae:f986:2b78:f278 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network johnc.dk: 46.30.213.149 2a02:2350:5:10c:ae:f986:2b78:f278 (AS51468) www.johnc.dk: 46.30.213.149 2a02:2350:5:10c:ae:f986:2b78:f278 (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.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | FEA3731F9349938931D39CCE9FCE17B7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101608 |
| 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 | 2003-09-02 |
| Expires | 2027-09-30 (345d) |
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 |
|---|---|
| johnchristensen.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 07:56:37 shown | 745ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-16 07:25:33 | 457ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-08 06:44:50 | 474ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-03 02:26:08 | 547ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 01:49:20 | 580ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 06:17:59 | 735ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 08:04:01 | 590ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 19:24:21 | 649ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 15:16:38 | 2531ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-08 09:05:58 | 5063ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-02 16:59:04 | 1762ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 05:00:46 | 958ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 16:38:08 | 1270ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 02:16:25 | 3757ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 12:29:28 | 998ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:44:58 | 887ms | 2 NS 1 A 4 MX | 🔒 Secure |