rlgruppen.dk is a .dk domain served by 4 nameservers (dns10.telia.com, dns11.se.telia.net, dns12.se.telia.net and 1 more). It was registered on 31 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 15 October 2026 we saw it transfer from ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA to COREhub, S.R.L.U.. Its website address 81.91.12.13 is hosted by Telia Cygate AB (AS197308) in Sweden. Mail is handled by rlgruppen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.91.12.13 | 3600s | web02.e37.se | AS197308 | Telia Cygate AB | 81.91.0.0/20 | 🇸🇪 Sweden | Stockholm |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rlgruppen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | web02.e37.se (all on e37.se) → 81.91.12.13 (AS197308) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1791417600 |
| Primary NS (MNAME) | dns9.telia.com |
| Responsible (RNAME) | backbone@telia.net |
| Refresh | 21600s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | COREhub, S.R.L.U. |
| Registered | 2006-05-31 |
| Expires | 2027-05-31 (226d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:01:55 | 1381ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 07:56:19 shown | 3581ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 00:36:30 | 1319ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 22:54:43 | 1575ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:26:43 | 10203ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 12:06:51 | 1494ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 00:50:27 | 2134ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 23:05:41 | 1245ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:12:01 | 1351ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 10:00:22 | 11111ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 09:13:40 | 2230ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-10 11:37:20 | 3609ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 15:26:29 | 1359ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 19:22:09 | 1556ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 19:44:47 | 4802ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 23:26:15 | 3334ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 10:13:47 | 3974ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 05:38:39 | 2117ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 05:55:48 | 1644ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 07:54:59 | 6388ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:59:30 | 1564ms | 4 NS 1 A 1 MX | 🔓 Insecure |