blockchain.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 June 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.174.18 is hosted by Loopia AB (AS41528) in Sweden. Mail is handled by generated-by-one-com-for-mx-10.blockchain.dk, generated-by-one-com-for-mx-20.blockchain.dk. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 109.235.174.18 | 43200s | ing.r103.websupport.se | AS41528 | Loopia AB | 109.235.174.0/23 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | generated-by-one-com-for-mx-10.blockchain.dk | 93.90.146.16 | — | — |
| 20 | 43200s | generated-by-one-com-for-mx-20.blockchain.dk | 93.90.146.17 | — | — |
| www CNAME | www.blockchainfond.dk (all on blockchainfond.dk) |
| www vs bare domain | Different networks blockchain.dk: 109.235.174.18 (AS41528) (all like this)www.blockchain.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| 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 | 2026101201 |
| 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 | ONE.COM A/S |
| Registered | 2012-06-21 |
| 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).
| Domain | Registrar |
|---|---|
| codegain.dk | ONE.COM A/S |
| neocron.dk | ONE.COM A/S |
| opencode.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:34:56 shown | 4370ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 09:30:19 | 4553ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 00:58:30 | 4474ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 16:01:58 | 8663ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 04:41:30 | 4718ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 23:19:25 | 24685ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 08:41:24 | 4730ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 03:35:15 | 5963ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:40:40 | 4605ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 07:46:32 | 958ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:46:10 | 5088ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 04:37:51 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:08:34 | 5251ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 17:26:08 | 5038ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 14:50:31 | 6375ms | 2 NS 1 A 2 MX | 🔒 Secure |