bykilian.dk is a .dk domain served by 4 nameservers (ns2.elcompanies.com, ns3.elcompanies.com, ns4.elcompanies.com and 1 more). It was registered on 24 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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.
| Policy | Record (_dmarc.bykilian.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves bykilian.dk: no address www.bykilian.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2416799482 |
| Primary NS (MNAME) | ns2.elcompanies.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2016-02-24 |
| Expires | 2027-02-28 (130d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 08:19:38 shown | 872ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-28 06:23:10 | 1186ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-27 05:35:22 | 509ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-26 05:15:14 | 9726ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-13 00:24:49 | 895ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-02 15:23:35 | 842ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 00:49:58 | 1269ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-19 22:33:31 | 661ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-01 11:10:02 | 842ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-27 04:11:37 | 1106ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-11 19:36:05 | 748ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-06 20:58:37 | 17049ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-05 17:14:53 | 730ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-03 10:35:00 | 4872ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 13:55:06 | 2623ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:27:37 | 295ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-06-16 18:20:10 | 422ms | 4 NS 0 A 0 MX | 🔓 Insecure |