btl-bornholm.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 10 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.107.226.52 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by btl-bornholm.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 13.107.226.52 | 14400s | — | AS8075 | Microsoft Corporation | 13.107.224.0/20 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | btl-bornholm.dk | 13.107.226.52 | — | AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 193.200.90.178 |
| 🔶 Autoconfig | 193.200.90.178 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| Policy | Record (_dmarc.btl-bornholm.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | pod7-bba5ahfbdabmdtdf.z03.azurefd.net (all on azurefd.net) |
| www vs bare domain | Same network btl-bornholm.dk: 13.107.226.52 (AS8075) www.btl-bornholm.dk: 150.171.109.194 2603:1061:14:c1::1 (AS8075) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.btl-bornholm.dk | TYs4n57A4wM8GvAJa56bxZ9NaMst1DL5G4EZfiN44nI |
| 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 | 2026061403 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2026-04-10 |
| Expires | 2027-04-09 (163d) |
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 |
|---|---|---|---|
| 2026-10-15 23:14:30 | 660ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 05:49:54 | 453ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 16:13:45 | 9458ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:46:15 | 9783ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 10:15:45 | 2622ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 00:52:41 shown | 9550ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 17:33:05 | 8825ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:46:27 | 3134ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:35:48 | 1276ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:30:49 | 471ms | 3 NS 1 A 1 MX | 🔓 Insecure |