| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 35.158.28.97 | 3600s | ec2-35-158-28-97.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 35.156.0.0/14 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.siden72.dk | 35.158.28.97 | ec2-35-158-28-97.eu-central-1.compute.amazonaws.com | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (siden72.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026083001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 00:43:34 | 1618ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 01:03:38 | 6613ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 04:45:30 | 580ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 07:52:21 | 887ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 08:02:13 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 11:37:06 | 816ms | 2 NS 1 A 1 MX | 🔒 Secure | View |