| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 135.181.213.87 | 3600s | jtw.dk | AS24940 | Hetzner Online GmbH | 135.181.0.0/16 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.jtw.dk | 135.181.213.87 | jtw.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 mx a include:spfbase.jtw.dk -all |
| Policy | Record (tweakup.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:spfbase.jtw.dk -all |
| Policy | Record (_dmarc.tweakup.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 07:12:17 | 685ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 13:05:38 | 701ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 06:25:55 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 15:55:06 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 06:24:47 | 553ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 22:22:18 | 973ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 12:20:42 | 4549ms | 0 NS 0 A 0 MX | 🔒 Secure | View |