brkol.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.104.208 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.zohomail.com, mx2.zohomail.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.52.104.208 | — | 0x573468d0.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| Posthuset |
| www | 87.52.104.208 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| 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 | Eurodns S.A |
| Registered | 2004-03-01 |
| Expires | 2027-03-31 (164d) |
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).
| Domain | Registrar |
|---|---|
| birkeroedkollegiet.dk | Eurodns S.A |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 21:41:12 | 711ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 00:13:21 | 4803ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 11:39:35 | 947ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 17:43:25 | 667ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 14:48:13 | 937ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-03 09:29:50 | 5030ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:27:56 | 909ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 13:19:01 | 1564ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:19:45 | 2636ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:07:14 | 549ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:02:24 | 2238ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:01:02 shown | 1000ms | 2 NS 1 A 2 MX | 🔒 Secure |