viby-gym.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 DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms38398801 |
| v=spf1 -all |
| v=spf1 ip4:87.54.32.5 ip4:87.54.32.251 ip4:87.54.32.151 include:spf.mailanyone.net -all |
| Policy | Record (viby-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| -all (hard fail) | v=spf1 ip4:87.54.32.5 ip4:87.54.32.251 ip4:87.54.32.151 include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.viby-gym.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
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 737 |
| 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 |
|---|---|---|---|
| 2026-10-14 16:32:39 shown | 2460ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 16:14:25 | 1311ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 10:57:06 | 771ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 09:39:12 | 284ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 09:18:28 | 556ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 09:01:18 | 415ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 19:48:52 | 495ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 19:30:17 | 402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 07:05:20 | 722ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 13:11:18 | 514ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 05:46:09 | 597ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 09:37:22 | 708ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 22:17:46 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 01:57:54 | 373ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 19:06:42 | 418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:25:51 | 561ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 07:04:54 | 16784ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 02:38:03 | 1390ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 15:55:01 | 802ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 09:12:51 | 548ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 15:58:38 | 4523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 07:39:05 | 3079ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 00:11:40 | 1469ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 22:58:37 | 492ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 20:18:31 | 774ms | 2 NS 1 A 1 MX | 🔒 Secure |