bthansen.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 83.151.136.202 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mxa.mailgun.org, mxb.mailgun.org. 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 |
|---|---|---|---|---|---|---|---|
| 83.151.136.202 | 172800s | — | AS31027 | GlobalConnect A/S | 83.151.128.0/18 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mxa.mailgun.org | 34.36.182.139 | 139.182.36.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 43200s | mxb.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | bthansen.dk → 83.151.136.202 |
| 🔶 Autoconfig | bthansen.dk → 83.151.136.202 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (bthansen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| www CNAME | bthansen.dk (all on bthansen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.bthansen.dk | bthansen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092801 |
| 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 |
|---|---|---|---|
| 2026-10-09 03:05:35 | 775ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 11:58:51 | 907ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 22:42:54 shown | 899ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 15:39:01 | 1002ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 16:13:23 | 2467ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 15:52:00 | 952ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 00:43:40 | 790ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 23:33:24 | 1924ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 22:35:46 | 833ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 23:31:49 | 2268ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 15:46:47 | 930ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 05:06:16 | 945ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:43:10 | 1942ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:39:38 | 4835ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:30:11 | 514ms | 2 NS 1 A 2 MX | 🔒 Secure |