christofferdall.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.15.71.225 is hosted by Scaleway SAS (AS12876) in The Netherlands. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 51.15.71.225 | 43200s | 225-71-15-51.instances.scw.cloud | AS12876 | Scaleway SAS | 51.15.0.0/16 | 🇳🇱 The Netherlands | Haarlem |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | christofferdall.dk → 51.15.71.225 |
| 🔶 Autoconfig | christofferdall.dk → 51.15.71.225 |
| TXT Record |
|---|
| google-site-verification=EGba0vmPTRtn1OlepNia-pBv-RoL9_SnzAH3RkbTdKU |
| v=spf1 include:spf.improvmx.com ~all |
| Policy | Record (christofferdall.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.improvmx.com ~all |
| www CNAME | christofferdall.dk (all on christofferdall.dk) → 51.15.71.225 (AS12876) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.christofferdall.dk | christofferdall.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| 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 | 2006-06-15 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|
| leabecker.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 07:14:38 | 797ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 15:26:32 | 793ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 21:44:00 | 1248ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 11:43:04 | 4319ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 07:16:45 | 8304ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-19 07:44:26 | 3515ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 23:00:42 | 1602ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 03:39:05 shown | 2877ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 15:29:49 | 961ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 18:09:55 | 746ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 01:35:18 | 2120ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 20:45:26 | 777ms | 2 NS 1 A 2 MX | 🔒 Secure |