wulff-production.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.163.153.133 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mailcow.wulff-production.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 194.163.153.133 | 86400s | vmi929187.contaboserver.net | AS51167 | Contabo GmbH | 194.163.128.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mailcow.wulff-production.com | 2a02:c207:2287:1796::1 38.242.197.22 |
mailcow.wulff-production.com mailcow.wulff-production.com |
AS51167 Contabo GmbH AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mailcow.wulff-production.com → 38.242.197.22 |
| 🔶 Autoconfig | mailcow.wulff-production.com → 38.242.197.22 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:c206:2092:9187::1 | 3600s | vmi929187.contaboserver.net | AS51167 | Contabo GmbH | 2a02:c204:0:0:0:0:0:0/30 | 🇫🇷 France | Lauterbourg |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | mailcow.wulff-production.com |
| TXT Record |
|---|
| v=spf1 a:mailcow.wulff-production.com mx:wulff-production.com ip4:38.242.197.22 ip6:2a02:c207:2287:1796::1 -all |
| Policy | Record (wulff-production.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mailcow.wulff-production.com mx:wulff-production.com ip4:38.242.197.22 ip6:2a02:c207:2287:1796::1 -all |
| Policy | Record (_dmarc.wulff-production.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@wulff-production.com; ruf=mailto:dmarc@wulff-production.com; fo=0; adkim=s; aspf=s; pct=100; rf=afrf; ri=86400; sp=reject |
| www CNAME | wulff-production.dk (all on wulff-production.dk) |
| www vs bare domain | Same network wulff-production.dk: 194.163.153.133 2a02:c206:2092:9187::1 (AS51167) www.wulff-production.dk: 194.163.153.133 2a02:c206:2092:9187::1 (AS51167) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~4096 bit |
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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailcow.wulff-production.com | DANE-EE · SPKI · SHA-256 | 87FB4EDDACF54D3254DFFA4BCE84419C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024111262 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 17:07:07 shown | 637ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 21:10:20 | 1317ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 02:17:14 | 1012ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 11:15:32 | 2477ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 08:18:02 | 847ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 07:28:39 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 05:13:53 | 1378ms | 3 NS 1 A 1 MX | 🔒 Secure |