bilsyn4400.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 7 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | bilsyn4400.dk → 46.183.138.100 |
| 🔶 Autoconfig | bilsyn4400.dk → 46.183.138.100 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | bilsyn4400.dk (all on bilsyn4400.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bilsyn4400.dk | bilsyn4400.dk |
| 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.gigahost.dk |
| Responsible (RNAME) | hostmaster@bilsyn4400.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-10-07 |
| Expires | 2027-10-31 (369d) |
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).
| Domain | Registrar |
|---|---|
| bilsyn-4400.dk | Punktum dk A/S (direct) |
| flexbilsyn.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 09:17:15 | 1372ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 13:49:55 shown | 1476ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 05:48:27 | 2312ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 04:24:25 | 646ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 12:59:20 | 1025ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 23:54:25 | 1090ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 20:55:46 | 1091ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 19:33:07 | 771ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:46:05 | 4195ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 14:50:13 | 3371ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 15:48:13 | 1925ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 18:42:37 | 2235ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 15:51:35 | 8996ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 15:11:52 | 1211ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 06:55:22 | 1071ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 11:02:31 | 6525ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 22:42:00 | 1009ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 20:55:26 | 1759ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 14:36:22 | 560ms | 5 NS 1 A 3 MX | 🔓 Insecure |