denrus.dk is a .dk domain served by 2 nameservers (ns1.atznet.dk, ns2.atznet.dk). It was registered on 22 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.143 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.143 | 7200s | — | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:_spf.atznet.dk -all |
| Policy | Record (denrus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.atznet.dk -all |
| www CNAME | denrus.dk (all on denrus.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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.mx2.spamfri.dk | DANE-EE · SPKI · SHA-256 | 6598C93F79B95376BB8099E9AC862167… |
| SMTP _25._tcp.mx3.spamfri.dk | DANE-EE · SPKI · SHA-256 | BBFB0694919290E5BC9D6E2C6F47D846… |
| SMTP _25._tcp.mx4.spamfri.dk | DANE-EE · SPKI · SHA-256 | 4EE743A99328AEF5142706CA5FD3AD61… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2018112106 |
| Primary NS (MNAME) | ns1.atznet.dk |
| Responsible (RNAME) | hostmaster@atznet.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-02-22 |
| Expires | 2027-02-28 (130d) |
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 |
|---|---|---|---|
| 2026-08-26 23:13:12 | 667ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 15:16:55 shown | 1170ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 02:52:33 | 36189ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 02:10:17 | 610ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 02:00:58 | 865ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 02:00:56 | 1877ms | 2 NS 1 A 3 MX | 🔒 Secure |