| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.239.192.248 | 3600s | 89.239.192.248.static.fibianet.dk | AS44869 | FIBIA P/S | 89.239.192.0/18 | 🇩🇰 Denmark | Odense |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 mx a:jmsurvey.com include:_custspf.one.com include:sendgrid.net -all |
| Policy | Record (jmsurvey.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:jmsurvey.com include:_custspf.one.com include:sendgrid.net -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082701 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 19:46:17 | 614ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 18:16:57 | 691ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 16:20:40 | 2903ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 15:18:02 | 570ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 07:01:47 | 1526ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:27:26 | 1815ms | 2 NS 1 A 0 MX | 🔒 Secure | View |