gratis-isoleringstjek.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.99.37.174 is hosted by OVH SAS (AS16276) in Singapore. 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 |
|---|---|---|---|---|---|---|---|
| 139.99.37.174 | 3600s | www.zizon.com.sg | AS16276 | OVH SAS | 139.99.0.0/16 | 🇸🇬 Singapore | Singapore |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 139.99.37.174 |
| 🔶 Autoconfig | 139.99.37.174 |
| www | 195.242.130.174 (AS62121) (address records, no CNAME) |
| www vs bare domain | Same network gratis-isoleringstjek.dk: 195.242.130.174 (AS62121) www.gratis-isoleringstjek.dk: 195.242.130.174 (AS62121) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025030501 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 06:52:40 | 465ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-18 17:36:24 | 1577ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 07:32:48 | 795ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 22:50:59 | 1107ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:37:21 shown | 751ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:08:15 | 1221ms | 4 NS 1 A 0 MX | 🔒 Secure |