| 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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailcow.wulff-production.com | DANE-EE · SPKI · SHA-256 | 78399BFBC9F61F04451983FF7A5591D7… |
| 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 |