slkb.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 10 April 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.75.168.130 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by smtp.rmus.me. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 37.75.168.130 | 600s | — | AS39642 | Sinal A/S | 37.75.160.0/19 | 🇩🇰 Denmark | Silkeborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | smtp.rmus.me | 188.228.49.194 | 188.228.49.194.dynamic.altibox.net | AS214875 Altibox Danmark AS |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | webmail.slkb.dk.slkb.dk |
| TXT Record |
|---|
| v=spf1 include:spf.webmail.rmus.me ptr ip4:37.75.168.130/23 -all |
| Policy | Record (slkb.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.webmail.rmus.me ptr ip4:37.75.168.130/23 -all |
| www | 37.75.168.130 (AS39642) (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 | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2015041170 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-04-10 |
| Expires | 2027-04-30 (193d) |
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 |
|---|---|
| 44b.dk | Punktum dk A/S (direct) |
| pcsl.dk | Punktum dk A/S (direct) |
| rmus.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 15:30:19 shown | 1337ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 03:21:13 | 961ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 14:34:05 | 1393ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 22:56:18 | 1940ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:46:01 | 4689ms | 5 NS 1 A 1 MX | 🔒 Secure |