cjellum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.115 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.115 | 3600s | webcluster2.webpod13-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.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:809c:ef5e:87bf:bef7 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.115 2a02:2350:5:10b:809c:ef5e:87bf:bef7 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network cjellum.dk: 46.30.213.115 2a02:2350:5:10b:809c:ef5e:87bf:bef7 (AS51468) www.cjellum.dk: 46.30.213.115 2a02:2350:5:10b:809c:ef5e:87bf:bef7 (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.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| 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 | 2010-04-01 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 17:28:46 shown | 1816ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-12 13:56:02 | 509ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-07 22:32:32 | 564ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-26 00:58:35 | 763ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-11 00:08:51 | 798ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-06 18:42:43 | 712ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-31 11:25:03 | 574ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-16 03:48:06 | 15623ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-02 11:59:15 | 1036ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-25 05:48:58 | 899ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-23 02:21:58 | 4851ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-03 04:53:08 | 928ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-25 11:09:45 | 2127ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-24 14:59:43 | 715ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-19 06:12:37 | 2861ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 22:26:34 | 65535ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 21:17:08 | 2286ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 21:01:28 | 613ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 21:00:38 | 590ms | 2 NS 1 A 4 MX | 🔓 Insecure |