| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.189.142.245 | 3600s | smtp.sequelsite.dk | AS51167 | Contabo GmbH | 5.189.128.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| 🔶 Autoconfig | autoconfig-mf.onlinemail.io → 185.21.40.62 |
| TXT Record |
|---|
| v=spf1 mx a ip4:5.189.142.245/32 include:spf.curanet.dk include:vmi170227.contaboserver.net ~all |
| Policy | Record (ocos.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ip4:5.189.142.245/32 include:spf.curanet.dk include:vmi170227.contaboserver.net ~all |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ocos.dk | 44156bd1-b859-453d-af05-8f85612f3270.auth.acme-dns.io |
| TXT | 44156bd1-b859-453d-af05-8f85612f3270.auth.acme-dns.io | 0gk2ZfMqcP6IO8hGK7cZeV9beMBiJfcy8VLrPZ5HO5E |
| TXT | 44156bd1-b859-453d-af05-8f85612f3270.auth.acme-dns.io | REfbXx3KiBp1Qy-9appR5s-wZbO0gW4VOyeZrYmRTrg |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082201 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |