selsø.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.139 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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.139 | — | webcluster1.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:58:c538:ca8b:f648 | — | — | 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 (selsø.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.selsø.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s |
| www | 46.30.213.129 2a02:2350:5:10c:8:3b5:a4a0:3a9 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network selsø.dk: 46.30.213.129 2a02:2350:5:10c:8:3b5:a4a0:3a9 (AS51468) www.selsø.dk: 46.30.213.129 2a02:2350:5:10c:8:3b5:a4a0:3a9 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026060801 |
| 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 | 2023-12-28 |
| Expires | 2026-12-27 (63d) |
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 |
|---|---|
| selsoe.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 20:32:22 | 579ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-20 01:24:52 | 1380ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-19 00:23:45 | 2174ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-04 00:30:08 | 4432ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 00:18:42 | 716ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 05:18:03 | 733ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 21:04:13 | 635ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 07:33:08 | 880ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 07:36:59 | 3518ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 03:51:24 | 11420ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 06:59:34 | 4944ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-19 04:45:49 | 1296ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-14 22:10:27 | 17123ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 10:01:15 | 948ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 04:37:48 | 924ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:02:54 shown | 730ms | 2 NS 1 A 4 MX | 🔒 Secure |