firserdj.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 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.160.21 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by webhotel1.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 |
|---|---|---|---|---|---|---|---|
| 157.250.160.21 | 603s | webhotel1.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 603s | webhotel1.webhosting.dk | 157.250.160.21 | webhotel1.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-redirect.tdcwebmore.dk → 62.243.73.164 |
| 🔶 Autoconfig | firserdj.dk → 157.250.160.21 |
| www CNAME | firserdj.dk (all on firserdj.dk) → 157.250.160.21 (AS3342) |
| 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 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.firserdj.dk | firserdj.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel1.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel1.webhosting.dk | DANE-TA · 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 | 2003031995 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 603s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-01-10 |
| Expires | 2027-03-31 (162d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 00:19:26 | 576ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:26:25 | 673ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:06:54 | 1691ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 19:33:13 | 884ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 02:05:39 | 738ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 05:19:19 | 645ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 00:11:47 | 1010ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 04:06:03 shown | 2618ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:30:03 | 942ms | 5 NS 1 A 1 MX | 🔒 Secure |