| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 116.203.57.84 | 86400s | mx.dfine.net | AS24940 | Hetzner Online GmbH | 116.202.0.0/15 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx.dfine.net | 116.203.57.84 2a01:4f8:c0c:d804::1 |
mx.dfine.net mx.dfine.net |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 116.203.57.84 |
| 🔶 Autoconfig | 116.203.57.84 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:c0c:d804::1 | 86400s | mx.dfine.net | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (nelleborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.nelleborg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | o0oXqD7NAASvkV7VlFAj |
| max_age | 604800s |
| Policy MX | mx.dfine.net |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.dfine.net | DANE-EE · SPKI · SHA-256 | 98105D61416B5C537BFEE95154D874E1… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082100 |
| Primary NS (MNAME) | ns1.mx.dfine.net |
| Responsible (RNAME) | hostmaster@mx.dfine.net |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 14:06:29 | 2423ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-21 08:33:24 | 10177ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 17:44:32 | 1880ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-02 05:19:06 | 10446ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 01:17:54 | 3166ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |