dsh-aa.dk is a .dk domain served by 2 nameservers (ns3.supportcenter.dk, ns4.supportcenter.dk). It was registered on 7 October 1997 (WHOIS) and 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 DNSSEC-signed and validates, 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 |
|---|
| HARICA-IoxkwWOQHdqzNiMLDlW |
| MS=ms71737959 |
| v=spf1 -all |
| Policy | Record (dsh-aa.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dsh-aa.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc@via.dk; ruf=mailto:dmarc@via.dk |
| www | 87.54.32.247 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 929 |
| Primary NS (MNAME) | ns3.supportcenter.dk |
| Responsible (RNAME) | hostmaster@supportcenter.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-10-07 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 12:40:20 | 962ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 10:00:46 | 2523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 22:51:17 | 640ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 22:40:16 | 523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 22:36:18 | 300ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 20:50:39 | 612ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 20:37:18 | 2735ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 20:34:26 | 520ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:18:59 | 562ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 18:54:20 | 458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:43:27 | 546ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 18:16:43 | 2845ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 17:30:39 | 2666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 08:24:02 shown | 806ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 08:48:24 | 3269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 06:41:28 | 2932ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 06:16:24 | 475ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 04:10:59 | 2697ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 04:29:37 | 2771ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:10:18 | 391ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 13:03:59 | 397ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 14:39:36 | 1614ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 05:37:09 | 9596ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 10:24:58 | 1567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 02:21:16 | 2357ms | 2 NS 1 A 1 MX | 🔒 Secure |