viacollege.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.32.247 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is of unknown DNSSEC status, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 (viacollege.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.viacollege.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'viacollege.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 413 |
| 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 |
|---|---|---|---|
| 2026-10-23 14:48:21 | 751ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-08 22:13:19 | 749ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-06 00:38:41 | 854ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-05 00:35:11 | 327ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-10-01 00:10:33 | 774ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 00:24:32 | 871ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-17 20:03:37 | 4938ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-23 12:49:10 | 8910ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-22 08:25:57 | 3680ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-21 08:16:30 | 4713ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-20 07:40:12 | 986ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-19 05:40:56 | 3746ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-17 06:15:46 | 902ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-15 00:14:43 | 3274ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-12 22:11:45 | 446ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-08-11 04:55:04 | 2424ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-10 04:01:23 | 5476ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-06 23:49:58 | 925ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-28 00:58:20 | 1172ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-27 00:42:16 | 12000ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-26 00:04:12 | 9858ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-24 23:58:00 shown | 443ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-23 19:32:41 | 9726ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-22 13:05:56 | 12015ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-21 09:47:38 | 942ms | 2 NS 0 A 0 MX | ⚠️ Bogus |