sb-s.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.12.31.0 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.12.31.0 | 3600s | — | AS8075 | Microsoft Corporation | 51.12.0.0/15 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| MS=ms28741766 |
| v=spf1 mx a ip4:78.46.125.21 ip4:87.61.26.210 ip4:89.249.10.36 ip4:217.198.209.46 ip4:89.249.14.246 ip4:89.249.10.33 include:_spf.createsend.com include:spf.comendosystems.com include:spf.hostnordic.com include:spf-partner.lasertryk.dk ~all |
| Policy | Record (sb-s.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ip4:78.46.125.21 ip4:87.61.26.210 ip4:89.249.10.36 ip4:217.198.209.46 ip4:89.249.14.246 ip4:89.249.10.33 include:_spf.createsend.com include:spf.comendosystems.com include:spf.hostnordic.com include:spf-partner.lasertryk.dk ~all |
| Policy | Record (_dmarc.sb-s.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:re+rtyk3zugbsi@dmarc.postmarkapp.com; sp=none; aspf=r; |
| www CNAME | skabertrang2.azurewebsites.net (all on azurewebsites.net) → 51.12.31.0 (AS8075) |
| www vs bare domain | Same network |
| 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 |
DNS lookups: 10/10 · policy: ~all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025091101 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-14 00:49:21 shown | 966ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 13:49:19 | 1170ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 15:28:08 | 2581ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 12:29:37 | 952ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:12:36 | 1180ms | 2 NS 1 A 4 MX | 🔒 Secure |