rygcenterherning.dk is a .dk domain served by 5 nameservers (ns1.powerhosting.dk, ns2.powerhosting.dk, ns3.powerhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.90 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.31.76.90 | 86400s | serv10.powerhosting.dk | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | rygcenterherning.dk → 185.31.76.90 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:b920:2:1337::90 | 43200s | — | AS47527 | DLX A/S | 2a00:b920:0:0:0:0:0:0/29 | 🇩🇰 Denmark | Herning |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms71745467 |
| v=spf1 include:spf-esec.heimdalsecurity.com include:_spf.powerhosting.dk include:spf.protection.outlook.com include:spf.mailanyone.net mx -all |
| Policy | Record (rygcenterherning.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf-esec.heimdalsecurity.com include:_spf.powerhosting.dk include:spf.protection.outlook.com include:spf.mailanyone.net mx -all |
| www | 185.31.76.90 2a00:b920:2:1337::90 (AS47527) (address records, no CNAME) |
| www vs bare domain | Same network rygcenterherning.dk: 185.31.76.90 2a00:b920:2:1337::90 (AS47527) www.rygcenterherning.dk: 185.31.76.90 2a00:b920:2:1337::90 (AS47527) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA\\ Invalid key data — receivers can't verify signatures |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rygcenterherning.dk | rygcenterherning.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns1.powerhosting.dk |
| Responsible (RNAME) | zonemaster@powerhosting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 08:36:05 shown | 1158ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-09 10:09:09 | 989ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 09:27:18 | 976ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 04:07:18 | 2061ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 02:35:41 | 868ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-18 22:26:50 | 2198ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-14 10:11:11 | 1422ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-04 04:05:48 | 788ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 23:56:13 | 1199ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 14:20:06 | 13180ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-14 08:34:12 | 10476ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-07 17:43:09 | 9260ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-04 07:42:00 | 1110ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 19:57:02 | 1295ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-17 00:54:35 | 1298ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-09 22:25:48 | 1489ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 20:07:53 | 1200ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-01 11:41:43 | 986ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 11:59:54 | 1169ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 23:22:55 | 1771ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 01:04:18 | 4324ms | 5 NS 1 A 2 MX | 🔓 Insecure |