| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 4.157.157.192 | 600s | — | AS8075 | Microsoft Corporation | 4.144.0.0/12 | 🇺🇸 United States | Washington |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mail.ferrosan.dk | — | — | — |
| 10 | 3600s | fallback.mail.dk.uu.net | — | — | — |
| TXT Record |
|---|
| v=spf1 redirect=_spf.multitabs.dk |
| Policy | Record (multitabs.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 redirect=_spf.multitabs.dk |
| Policy | Record (_dmarc.multitabs.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; fo=1 |
| 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 | 2 |
| Primary NS (MNAME) | ns-cloud-c1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-03 01:40:59 | 2967ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-23 14:07:05 | 986ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-22 03:19:40 | 5153ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-21 21:25:44 | 1210ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 12:20:25 | 1116ms | 4 NS 1 A 2 MX | 🔓 Insecure | View |