b-jacobsen.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 1 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.202 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, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.139.202 | 3600s | web2.gigahost.dk | 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 | b-jacobsen.dk → 46.183.139.202 |
| 🔶 Autoconfig | b-jacobsen.dk → 46.183.139.202 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (b-jacobsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.b-jacobsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | b-jacobsen.dk (all on b-jacobsen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.b-jacobsen.dk | b-jacobsen.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@b-jacobsen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-09-01 |
| Expires | 2030-09-30 (1444d) |
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 |
|---|---|
| kollegiebar.dk | GIGAHOST ApS |
| kortspil.dk | Punktum dk A/S (direct) |
| kvalitetsskjorter.dk | Punktum dk A/S (direct) |
| lektienet.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 15:33:07 shown | 1396ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 15:22:13 | 1211ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 12:37:07 | 1931ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 11:38:39 | 1350ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 23:33:22 | 1105ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 03:47:45 | 1223ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 14:03:26 | 787ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 03:02:11 | 1164ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 14:31:33 | 1165ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:38:23 | 17014ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 15:12:35 | 2784ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 15:33:45 | 10071ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 21:41:55 | 843ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 09:00:29 | 17811ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 10:45:58 | 8729ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 03:48:07 | 1152ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 19:01:36 | 998ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 02:02:35 | 820ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 02:46:06 | 949ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 10:51:14 | 852ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:57:27 | 798ms | 5 NS 1 A 3 MX | 🔓 Insecure |