wulff-it.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 July 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.86.110.118 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by wulff03.wulff-it.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 167.86.110.118 | 21600s | wulff03.wulffit.dk | AS51167 | Contabo GmbH | 167.86.96.0/19 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | wulff03.wulff-it.dk | 167.86.110.118 | wulff03.wulffit.dk | AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | wulff-it.dk → 167.86.110.118 |
| 🔶 Autoconfig | wulff-it.dk → 167.86.110.118 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (wulff-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.wulff-it.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www CNAME | wulff-it.dk (all on wulff-it.dk) |
| 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.wulff-it.dk | wulff-it.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026053101 |
| 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 | 2010-07-20 |
| Expires | 2027-07-31 (283d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 03:07:35 | 1805ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 02:51:35 | 608ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 04:39:54 | 2741ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 05:02:09 | 731ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 22:49:10 | 901ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 02:32:25 | 6915ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 15:25:14 | 908ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 11:46:09 | 758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 22:31:58 | 1861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 20:34:04 | 674ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 19:27:36 shown | 888ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 06:46:52 | 7421ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 22:41:11 | 2229ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 04:42:50 | 797ms | 2 NS 1 A 1 MX | 🔒 Secure |