| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.18.6.235 | 300s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| 104.18.7.235 | 300s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 4 | 86400s | mx1.cuci.nl | 212.125.129.164 | mx1.cuci.nl | AS5419 Cubic Circle B.V. |
| 8 | 86400s | mxbackup.cuci.nl | 212.125.128.3 | mxbackup.cuci.nl | AS5419 Cubic Circle B.V. |
| 16 | 86400s | spambackup.cuci.nl | 212.125.128.6 | spambackup.cuci.nl | AS5419 Cubic Circle B.V. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700::6812:6eb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700::6812:7eb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.18.6.235,104.18.7.235 ipv6hint=2606:4700::6812:6eb,2606:4700::6812:7eb |
| TXT Record |
|---|
| v=spf1 include:reply.allekabels.nl -all |
| Policy | Record (henzo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:reply.allekabels.nl -all |
| Policy | Record (_dmarc.henzo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:hostmaster@cuci.nl; |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052104 |
| Primary NS (MNAME) | ns0031.secondary.cloudflare.com |
| Responsible (RNAME) | hostmaster@cuci.nl |
| Refresh | 28800s |
| Retry | 900s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 900s |