jkjeldsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 16 October 2026, when it moved from direct registration at Punktum to ONE.COM A/S. Its website address 46.30.215.235 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, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.235 | 3600s | webcluster2.webpod18-cph3.g1i.one | 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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:8059:d069:413f:6886 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (jkjeldsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.jkjeldsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 46.30.215.235 2a02:2350:5:108:8059:d069:413f:6886 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network jkjeldsen.dk: 46.30.215.235 2a02:2350:5:108:8059:d069:413f:6886 (AS51468) www.jkjeldsen.dk: 46.30.215.235 2a02:2350:5:108:8059:d069:413f:6886 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| 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 | 2026101501 |
| 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 | ONE.COM A/S |
| Registered | 2016-04-06 |
| Expires | 2027-04-30 (195d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 12:42:48 shown | 514ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-13 03:53:56 | 523ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-08 19:09:16 | 642ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 12:31:45 | 413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 19:14:36 | 901ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 01:34:31 | 4634ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 17:07:20 | 2591ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 01:01:38 | 6435ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 21:20:31 | 4525ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 12:46:29 | 507ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 16:25:10 | 464ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 06:12:15 | 802ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 06:42:00 | 1185ms | 2 NS 1 A 4 MX | 🔒 Secure |