123byggetilsynet.dk is a .dk domain served by 3 nameservers (ns1.stom.dk, ns2.stom.dk, ns3.stom.dk). It was registered on 1 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 123byggetilsynet-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.stom.dk | — | — | — |
| ns2.stom.dk | — | — | — |
| ns3.stom.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 152.115.36.112 | — | s10.stom.dk | AS31027 | — | — | — | Copenhagen |
| TXT Record |
|---|
| v=spf1 ip4:152.115.36.112 +a +mx include:spf.protection.outlook.com include:spf.stom.dk ~all |
| Policy | Record (123byggetilsynet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:152.115.36.112 +a +mx include:spf.protection.outlook.com include:spf.stom.dk ~all |
| www CNAME | 123byggetilsynet.dk (all on 123byggetilsynet.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| s1 | s1.domainkey.u3194101.wl102.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u3194101.wl102.sendgrid.net | RSA · ~1024 bit below 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: 4/10 · 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 | 2026050601 |
| Primary NS (MNAME) | ns1.stom.dk |
| Responsible (RNAME) | cpanel@stom.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-10-01 |
| Expires | 2027-10-31 (368d) |
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 |
|---|---|
| bygge-konsulenterne.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 09:36:24 | 832ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 08:02:13 | 1122ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 09:36:04 | 2326ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 08:05:27 | 9705ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 14:03:51 | 1212ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:58:18 | 2478ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:08:04 shown | 4810ms | 3 NS 1 A 1 MX | 🔓 Insecure |