keller-nielsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.125 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.125 | 30s | webcluster2.webpod16-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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:80e9:ded7:cfdb:1734 | 30s | — | 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 (keller-nielsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| www | 46.30.215.125 2a02:2350:5:111:80e9:ded7:cfdb:1734 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network keller-nielsen.dk: 46.30.215.125 2a02:2350:5:111:80e9:ded7:cfdb:1734 (AS51468) www.keller-nielsen.dk: 46.30.215.125 2a02:2350:5:111:80e9:ded7:cfdb:1734 (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.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 | 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 | 2006-01-05 |
| Expires | 2027-01-31 (100d) |
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 |
|---|---|---|---|
| 2026-10-23 03:50:53 shown | 751ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-21 03:31:47 | 502ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-20 02:18:53 | 1256ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-16 23:19:46 | 478ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 21:25:27 | 668ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 05:45:46 | 826ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-09 15:14:19 | 9583ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-01 00:03:28 | 730ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 22:30:31 | 785ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 18:26:04 | 678ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 07:34:16 | 8992ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 10:14:31 | 1053ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-19 04:26:27 | 939ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 11:02:49 | 914ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 19:47:22 | 627ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 05:53:08 | 736ms | 2 NS 1 A 3 MX | 🔒 Secure |