byggahus.dk is a .dk domain served by 3 nameservers (ns1.namesystem.se, ns2.namesystem.se, ns3.namesystem.se). It was registered on 17 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.glesys.se, mx02.glesys.se. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx01.glesys.se | 195.238.77.164 2a02:751:100:4::164 |
— — |
AS42708 Glesys AB AS42708 Glesys AB |
| 10 | 3600s | mx02.glesys.se | 2a02:751:100:4::165 | — | AS42708 Glesys AB |
| TXT Record |
|---|
| v=spf1 include:spf.glesys.se -all |
| Policy | Record (byggahus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.glesys.se -all |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2 |
| Primary NS (MNAME) | ns1.namesystem.se |
| Responsible (RNAME) | registry@glesys.se |
| Refresh | 10800s |
| Retry | 2700s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Name SRS AB |
| Registered | 2020-01-17 |
| Expires | 2027-01-31 (98d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 19:24:42 | 853ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 15:14:23 | 2976ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 19:45:53 | 9500ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-09 09:07:00 | 9776ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 04:50:25 shown | 3019ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 18:10:53 | 555ms | 3 NS 1 A 2 MX | 🔓 Insecure |