eref.dk is a .dk domain served by 2 nameservers (inet.dti.dk, inet2.dti.dk). It was registered on 2 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.37.112 is hosted by TDC Holding A/S (AS3292) in Denmark. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| inet.dti.dk | 87.54.37.66 | inet.dti.dk | AS3292 TDC Holding A/S |
| inet2.dti.dk | 62.243.15.66 | inet2.dti.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.54.37.112 | 7200s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | — |
| www CNAME | eref.teknologisk.dk (all on teknologisk.dk) → 87.54.37.112 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.eref.dk | WuAKBf4dmsaXyo3_HyhhKbJweNIh2m3sv2WHBcXffjo |
| 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 | 2026093081 |
| Primary NS (MNAME) | inet.dti.dk |
| Responsible (RNAME) | postmaster@dti.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2009-04-02 |
| Expires | 2027-04-30 (193d) |
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).
Showing 100 of 411.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 06:50:01 | 432ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:49:55 shown | 578ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:48:20 | 420ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-29 18:39:29 | 353ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-28 05:28:15 | 407ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 06:20:18 | 494ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 07:12:52 | 531ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 08:15:49 | 11958ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 08:13:17 | 1044ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 08:07:45 | 295ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 08:00:40 | 360ms | 2 NS 1 A 0 MX | 🔓 Insecure |