duelhost.dk is a .dk domain served by 5 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services and 2 more). It was registered on 27 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.100 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mx1.mxfilter.net, mx2.mxfilter.net and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.100 | 600s | web10.e-studio.dk | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | eu1.workspace.org → 193.108.130.81 |
| TXT Record |
|---|
| google-site-verification=RiwkEiI2gqRiz_-XqIipz5a7MI9ofo_ArvCC2ZTBBZY |
| v=spf1 a mx include:_spf.workspace.org include:mxroute.com include:relay.mailchannels.net include:spf.mydomainprovider.com -all |
| Policy | Record (duelhost.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.workspace.org include:mxroute.com include:relay.mailchannels.net include:spf.mydomainprovider.com -all |
| Policy | Record (_dmarc.duelhost.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine |
| www CNAME | duelhost.dk (all on duelhost.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 9/10 · policy: -all
| 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 | 2026092201 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2020-08-27 |
| Expires | 2027-08-31 (318d) |
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 |
|---|---|---|---|
| 2026-10-09 14:01:22 | 2363ms | 5 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-30 01:30:30 | 2873ms | 5 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-27 00:48:28 | 1911ms | 5 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-23 16:18:39 shown | 1294ms | 5 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-17 22:26:46 | 2176ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-16 15:14:09 | 2149ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-08 08:32:20 | 2274ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-31 15:50:00 | 1550ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-27 16:29:43 | 10434ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-26 23:24:43 | 900ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-12 16:57:10 | 10892ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-06 01:34:05 | 2128ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-17 13:23:34 | 10634ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-16 11:47:08 | 1669ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-14 00:30:40 | 1483ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-09 20:29:19 | 1760ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-28 01:29:15 | 1160ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-17 04:55:24 | 3309ms | 2 NS 2 A 4 MX | 🔓 Insecure |