buusmark.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, deb.ns.cloudflare.com). It was registered on 4 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx12.comendosystems.com, mx6.comendosystems.net. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.16.106 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.167.64 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx12.comendosystems.com | 192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e |
mx41.electric.net mx10.electric.net |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 300s | mx6.comendosystems.net | 192.162.219.49 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:a740 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:106a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.106,172.67.167.64 ech=AEX+DQBBfQAgACDL5LwtHHM1ZSxcrqQq2vHkBVi/h161rge9nYQgj1IrEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a740,2606:4700:3034::6815:106a |
| TXT Record |
|---|
| MS=ms19615083 |
| v=spf1 a mx include:spf.comendosystems.com include:_spf.capto365.dk ~all |
| Policy | Record (buusmark.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.comendosystems.com include:_spf.capto365.dk ~all |
| www | 104.21.16.106 172.67.167.64 2606:4700:3033::ac43:a740 2606:4700:3034::6815:106a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network buusmark.dk: 104.21.16.106 172.67.167.64 2606:4700:3033::ac43:a740 2606:4700:3034::6815:106a (AS13335) www.buusmark.dk: 104.21.16.106 172.67.167.64 2606:4700:3033::ac43:a740 2606:4700:3034::6815:106a (AS13335) |
| Wildcard | No |
DNS lookups: 9/10 · policy: ~all
| 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 | 2408377777 |
| Primary NS (MNAME) | damon.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 | 2016-07-04 |
| Expires | 2035-07-31 (3209d) |
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 |
|---|---|---|---|
| 2026-09-25 22:18:50 | 9508ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-29 21:47:59 | 1177ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 11:56:22 | 947ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 11:46:30 | 1869ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-24 23:43:25 | 17015ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-01 13:08:55 shown | 1035ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 13:11:09 | 1270ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 18:28:15 | 8118ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 04:19:50 | 550ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 17:55:05 | 959ms | 2 NS 2 A 2 MX | 🔓 Insecure |