| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.supportcenter.dk | 87.54.32.150 | — | AS3292 TDC Holding A/S |
| ns4.supportcenter.dk | 2.106.7.200 | ns4.supportcenter.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.54.32.247 | 3600s | apps.akat.dk campus-horsens.dk driver.via.dk |
AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (viahorsens.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.viahorsens.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 721 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 22:04:01 | 703ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-31 19:25:08 | 1218ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-30 05:31:38 | 553ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 10:17:30 | 606ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 08:18:17 | 563ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-18 02:35:13 | 3087ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 19:33:44 | 3180ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 10:01:19 | 1732ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-07 07:00:20 | 943ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-06 04:55:40 | 813ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-01 01:31:14 | 8518ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 15:01:30 | 786ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 17:54:26 | 745ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 03:07:18 | 675ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 01:55:12 | 477ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 17:01:28 | 8697ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 11:03:22 | 893ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 19:11:54 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 05:28:46 | 426ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 22:54:14 | 354ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 04:55:28 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 00:05:46 | 693ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 07:53:21 | 951ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 23:24:51 | 4370ms | 2 NS 1 A 0 MX | 🔒 Secure | View |