holdorf.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.48 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.48 | 3600s | webcluster2.webpod15-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.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:8084:231:9eb6:4ba6 | 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 (holdorf.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 46.30.215.48 2a02:2350:5:10e:8084:231:9eb6:4ba6 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network holdorf.dk: 46.30.215.48 2a02:2350:5:10e:8084:231:9eb6:4ba6 (AS51468) www.holdorf.dk: 46.30.215.48 2a02:2350:5:10e:8084:231:9eb6:4ba6 (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.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092701 |
| 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 | 1999-03-08 |
| Expires | 2027-10-31 (378d) |
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 |
|---|---|
| amicode.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:00:52 shown | 568ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 03:31:11 | 643ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 20:32:09 | 723ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 20:22:28 | 609ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-12 14:58:14 | 672ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 21:46:54 | 1646ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 07:51:34 | 3639ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 10:51:09 | 1084ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-19 14:47:09 | 6859ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 14:20:46 | 754ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 12:55:04 | 3176ms | 2 NS 1 A 4 MX | 🔒 Secure |