blansen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.225 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 DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.225 | 21600s | 225.giga-ptr.232.116.217.in-addr.arpa web25.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 43200s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 43200s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | blansen.dk → 217.116.232.225 |
| 🔶 Autoconfig | blansen.dk → 217.116.232.225 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (blansen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www CNAME | blansen.dk (all on blansen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.blansen.dk | blansen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041302 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 04:23:34 | 1673ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:11:17 | 4437ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:31:01 | 907ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 11:29:57 | 2650ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 07:02:22 | 793ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 15:21:43 | 2622ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 00:58:35 | 735ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 03:46:22 | 9681ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 17:53:01 | 979ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 15:43:17 | 884ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 01:13:03 | 1727ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 18:48:44 | 1342ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 08:34:20 | 1011ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:01:15 | 6033ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-15 08:09:53 | 9226ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 17:50:57 | 1005ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 17:50:36 | 1147ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 00:54:11 | 1882ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 22:03:31 | 2975ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 03:03:19 | 2291ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-04 19:11:16 | 3405ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 09:11:21 shown | 794ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:47:51 | 468ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 14:47:02 | 738ms | 2 NS 1 A 3 MX | 🔒 Secure |