| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 31.7.4.42 | 3600s | server2.dtchdigitals.cloud.shockmedia.host | AS20847 | Previder B.V. | 31.7.0.0/21 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 50 | 3600s | mail.introweb.nl | 2001:1690:65::100 62.165.65.100 |
mx.previder.nl mx.previder.nl |
AS20847 Previder B.V. AS20847 Previder B.V. |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.introweb.nl | DANE-EE · SPKI · SHA-256 | 7849224D1C24FD6B04CB0E1D036A0434… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022091301 |
| Primary NS (MNAME) | nsauth1.introweb.nl |
| Responsible (RNAME) | postmaster@introweb.nl |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |