barkmann.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, isla.ns.cloudflare.com). It was registered on 7 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.30 | 300s | vm1330.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.40.30 |
| 🔶 Autoconfig | 185.21.40.30 |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com include:web.shared.mysmtp.com ~all |
| Policy | Record (barkmann.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:web.shared.mysmtp.com ~all |
| www | 185.21.40.30 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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.barkmann.dk | barkmann.dk.acme-cust-transient.one.com |
| 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 | 2415456503 |
| Primary NS (MNAME) | alfred.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-06-07 |
| Expires | 2027-06-30 (256d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 12:51:00 | 807ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-24 12:03:17 | 844ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-23 11:52:12 shown | 9608ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-21 17:00:56 | 806ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-06 09:56:33 | 1798ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-25 01:23:24 | 9314ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-20 19:04:40 | 1511ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 14:07:25 | 791ms | 2 NS 1 A 5 MX | 🔓 Insecure |