lesson-studies.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 8 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.160.50 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by webhotel30.webhosting.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.250.160.50 | 600s | webhotel30.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | webhotel30.webhosting.dk | 157.250.160.50 | webhotel30.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.250.160.50 |
| 🔶 Autoconfig | 157.250.160.50 |
| www | 157.250.160.50 (AS3342) (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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel30.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel30.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2016100944 |
| 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 | 2016-10-08 |
| Expires | 2027-10-31 (370d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-13 20:22:53 | 2473ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 20:04:48 shown | 1148ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:33:47 | 1078ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 05:48:11 | 749ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 18:36:15 | 988ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:04:09 | 1012ms | 5 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-19 22:30:58 | 924ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:47:23 | 586ms | 5 NS 1 A 1 MX | 🔒 Secure |