| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | 195.206.121.10 | ns01.one.com | AS197495 One.com A/S |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.205.123.237 | 3600s | — | AS42525 | GlobalConnect A/S | 37.205.120.0/21 | 🇩🇰 Denmark | Smorumnedre |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.205.123.237 |
| 🔶 Autoconfig | 37.205.123.237 |
| TXT Record |
|---|
| v=spf1 a a:post.maack-it.dk include:spf-esec.heimdalsecurity.com ~all |
| Policy | Record (ebookdanmark.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a a:post.maack-it.dk include:spf-esec.heimdalsecurity.com ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |