sg12.dk is a .dk domain served by 2 nameservers (ns1.kleinweb.dk, ns2.kleinweb.net). It first appeared in the .dk zone on 29 August 2026. Mail is handled by mail.kleinweb.dk. The zone is DNSSEC-signed and validates, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.kleinweb.dk | 195.43.138.20 | mail.kleinweb.dk | AS59979 Klein-Data |
| TXT Record |
|---|
| v=spf1 +a +mx +a:mail.kleinweb.dk -all |
| Policy | Record (sg12.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +a:mail.kleinweb.dk -all |
| Policy | Record (_dmarc.sg12.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sg12.dk: no address www.sg12.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026092401 |
| Primary NS (MNAME) | ns1.kleinweb.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 11:24:59 shown | 538ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 12:41:57 | 510ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-02 09:03:54 | 538ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 08:46:14 | 694ms | 2 NS 0 A 1 MX | 🔒 Secure |