| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.91.91.15 | 3600s | 83-91-91-15-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.90.0.0/15 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.ithozting.dk | 83.91.91.2 | mail.ithozting.dk | AS3292 TDC Holding A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | post.formula.nu |
| TXT Record |
|---|
| v=spf1 ip4:83.91.91.0/26 ip4:185.107.168.46 -all |
| Policy | Record (maskingaarden.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:83.91.91.0/26 ip4:185.107.168.46 -all |
| Policy | Record (_dmarc.maskingaarden.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcreports@scanmail.nu; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026050401 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 18:23:51 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 15:06:37 | 513ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 22:57:08 | 423ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 06:24:49 | 1155ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 16:53:44 | 635ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 22:25:20 | 855ms | 2 NS 1 A 1 MX | 🔒 Secure | View |