juristu.dk is a .dk domain served by 3 nameservers (ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud). It was registered on 17 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.235.78.36 is hosted by Cyso Group B.V. (AS25151) in The Netherlands. Mail is handled by mx1.antispam-login.net, mx2.antispam-login.net. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 109.235.78.36 | 300s | web1.juristu.cyso.net | AS25151 | Cyso Group B.V. | 109.235.72.0/21 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | juristu.dk → 109.235.78.36 |
| 🔶 Autoconfig | juristu.dk → 109.235.78.36 |
| TXT Record |
|---|
| v=spf1 a mx include:spf.totaalholding.nl ip4:31.186.174.203 -all |
| Policy | Record (juristu.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.totaalholding.nl ip4:31.186.174.203 -all |
| Policy | Record (_dmarc.juristu.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | juristu.dk (all on juristu.dk) → 109.235.78.36 (AS25151) |
| 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
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.juristu.dk | juristu.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.antispam-login.net | DANE-EE · SPKI · SHA-256 | 1FDB1C74A3A6D6C5990A38291982DC61… |
| SMTP _25._tcp.mx2.antispam-login.net | DANE-EE · SPKI · SHA-256 | 1FDB1C74A3A6D6C5990A38291982DC61… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022120800 |
| Primary NS (MNAME) | ns1.sqr.nl |
| Responsible (RNAME) | hostmaster@juristu.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2022-11-17 |
| Expires | 2026-11-16 (24d) |
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 09:02:22 | 809ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-07 17:50:29 | 816ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-03 09:54:17 | 977ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 07:32:45 | 630ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-23 16:23:23 | 2597ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 20:49:05 shown | 1416ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 00:32:14 | 1072ms | 3 NS 1 A 2 MX | 🔓 Insecure |