| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.55.100.171 | 960s | 87-55-100-171-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Struer Municipality |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.wta.dk | 87.55.100.171 | 87-55-100-171-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | host.ihd.dk → 87.55.100.171 |
| 🔶 Autoconfig | host.ihd.dk → 87.55.100.171 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (wta.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.wta.dk | host.ihd.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032402 |
| 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 11:31:22 | 690ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 04:13:55 | 701ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 15:02:43 | 1554ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 22:33:16 | 1180ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 11:40:44 | 956ms | 2 NS 1 A 1 MX | 🔒 Secure | View |