isover-online.dk is a .dk domain served by 3 nameservers (ns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr). It was registered on 17 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.65.58.55 is hosted by Nameshield SAS (AS20756) in France. Mail is handled by mx3.nameshield.com, mx4.nameshield.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 |
|---|---|---|---|---|---|---|---|
| 185.65.58.55 | 3600s | — | AS20756 | Nameshield SAS | 185.65.56.0/22 | 🇫🇷 France | — |
| 81.92.91.56 | 3600s | — | AS20756 | Nameshield SAS | 81.92.80.0/20 | 🇫🇷 France | Angers |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mx3.nameshield.com | 81.92.84.191 | mx3.perf1.com | AS20756 Nameshield SAS |
| 10 | 3600s | mx4.nameshield.net | 81.92.81.40 | mx4.nameshield.net | AS20756 Nameshield SAS |
| Policy | Record (_dmarc.isover-online.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www CNAME | saspresence.perf1.com (all on perf1.com) |
| www vs bare domain | Same network isover-online.dk: 185.65.58.55 81.92.91.56 (AS20756) www.isover-online.dk: 185.65.58.55 81.92.91.56 (AS20756) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052020 |
| Primary NS (MNAME) | obs.ns1.fr |
| Responsible (RNAME) | technical@nameshield.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | NAMESHIELD |
| Registered | 2000-10-17 |
| Expires | 2026-12-31 (67d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 14:38:42 | 851ms | 3 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 06:11:59 | 937ms | 3 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-29 05:02:42 | 1275ms | 3 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 18:10:22 | 1423ms | 3 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 02:40:41 shown | 2665ms | 3 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:12:12 | 1445ms | 3 NS 2 A 2 MX | ⚠️ Bogus |