rustjensen.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.160.25 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. 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 |
|---|---|---|---|---|---|---|---|
| 157.250.160.25 | 600s | webhotel5.webhosting.dk | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 157.250.160.25 |
| 🔶 Autoconfig | 157.250.160.25 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 0 | 1 | 143 | webhotel5.webhosting.dk |
| _imaps._tcp | 0 | 1 | 993 | webhotel5.webhosting.dk |
| TXT Record |
|---|
| v=spf1 include:spf.webhosting.dk ip4:2.109.110.194 -all |
| Policy | Record (rustjensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.webhosting.dk ip4:2.109.110.194 -all |
| Policy | Record (_dmarc.rustjensen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | 157.250.160.25 (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 |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3404011436 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 06:01:38 shown | 652ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 02:46:23 | 989ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 09:00:15 | 9150ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 01:12:23 | 1059ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 05:13:15 | 4746ms | 5 NS 1 A 2 MX | 🔒 Secure |