| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.31.16.91 | 3600s | — | AS43088 | Itm8 A/S | 46.31.16.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | eu-esec-01.heimdalsecurity.com | 20.50.183.144 20.50.183.146 |
— eu-esec-01.heimdalsecurity.com |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| 20 | 3600s | eu-esec-02.heimdalsecurity.com | 20.50.183.144 20.50.183.146 |
— eu-esec-01.heimdalsecurity.com |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all |
| Policy | Record (fixnordic.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all |
| Policy | Record (_dmarc.fixnordic.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:quarantine@fixnordic.dk; pct=100; fo=1 |
| 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 | 2026030304 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |