blok-byg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.206.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.36.206.131 | — | plesk04.grouponline.org | AS48854 | team.blue Denmark A/S | 46.36.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 10 | — | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk include:spf.simply.com -all |
| Policy | Record (blok-byg.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:spf.curanet.dk include:spf.simply.com -all |
| Policy | Record (_dmarc.blok-byg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 46.36.206.131 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · 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 | 2025101402 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-06-05 |
| Expires | 2027-06-04 (230d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 02:24:25 | 408ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 19:41:46 | 626ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 19:08:13 | 599ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 06:40:30 | 533ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 18:42:38 | 488ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 19:22:38 | 970ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 14:50:49 shown | 516ms | 3 NS 1 A 2 MX | 🔒 Secure |