bestbrains.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| google-site-verification=l7AAtyB-RHGwGW7tJwUg1IGviAlhOKH24ZuznhlYA9A |
| have-i-been-pwned-verification=bb722fa1b127e67caade9df7e96acb31 |
| v=spf1 include:_spf.google.com include:_custspf.one.com ~all |
| Policy | Record (bestbrains.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:_custspf.one.com ~all |
| Policy | Record (_dmarc.bestbrains.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:security@bestbrains.dk, mailto:security@bestbrains.dk; pct=100; adkim=s; aspf=s |
| www CNAME | bestbrains.dk (all on bestbrains.dk) |
| www vs bare domain | Same network bestbrains.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.bestbrains.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-07-31 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 07:16:19 shown | 482ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-09-15 12:26:04 | 1008ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-08-12 01:14:20 | 5061ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-07-15 14:53:28 | 3354ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-07-10 23:33:24 | 1495ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-29 00:01:54 | 1096ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-26 10:50:15 | 760ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-24 08:25:03 | 907ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:51:31 | 1153ms | 2 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-16 14:23:09 | 660ms | 2 NS 4 A 5 MX | 🔒 Secure |