denner.dk is a .dk domain served by 2 nameservers (ns1auth.krn.dk, ns2auth.krn.dk). It was registered on 16 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.255.84.23 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by fjotte.krn.dk. 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 |
|---|---|---|---|
| ns1auth.krn.dk | — | — | — |
| ns2auth.krn.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.255.84.23 | — | — | AS3308 | Norlys Telco A/S | 194.255.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | fjotte.krn.dk | 194.255.84.23 | — | AS3308 Norlys Telco A/S |
| TXT Record |
|---|
| DNS admin: Kristen Nielsen, krn@krn.dk, tlf 36 430401 / 40 466221 |
| google-site-verification=3LKfI-WiWiqd21l5WZoBCc3z3HuIS_D1mf0GeZJC_kI |
| v=spf1 a mx ip4:194.255.84.23 mx:fjotte.krn.dk +all |
| Policy | Record (denner.dk) |
|---|---|
| +all (no restriction) | v=spf1 a mx ip4:194.255.84.23 mx:fjotte.krn.dk +all |
| www CNAME | fjotte.krn.dk (all on krn.dk) → 194.255.84.23 (AS3308) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: +all
| 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 | 2024052100 |
| Primary NS (MNAME) | ns1auth.krn.dk |
| Responsible (RNAME) | hostmaster@denner.dk |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-11-16 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:09:34 | 4941ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 09:19:17 | 6568ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:45:23 | 898ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 03:26:02 | 31607ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:24:31 shown | 1586ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:00:42 | 437ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:00:06 | 510ms | 4 NS 1 A 1 MX | 🔓 Insecure |