radonhuset.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.154 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt2.aspmx.l.google.com and 1 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.154 | 484s | linux138.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.154 |
| 🔶 Autoconfig | 94.231.103.154 |
| TXT Record |
|---|
| google-gws-recovery-domain-verification=41200089 |
| pc2f2cqcc361lhvrch324n3aje |
| v=spf1 ip4:152.115.36.112 ip4:94.231.103.245 +a +mx include:_spf.google.com ~all |
| Policy | Record (radonhuset.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:152.115.36.112 ip4:94.231.103.245 +a +mx include:_spf.google.com ~all |
| Policy | Record (_dmarc.radonhuset.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www CNAME | radonhuset.dk (all on radonhuset.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| 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 | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2009-11-22 |
| Expires | 2026-11-30 (41d) |
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 |
|---|---|---|---|
| 2026-10-04 03:05:03 | 502ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 04:04:56 shown | 720ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 03:48:51 | 591ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 15:06:35 | 1628ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 09:35:41 | 691ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:18:25 | 9618ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 16:41:26 | 9643ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-28 04:49:07 | 905ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 08:14:39 | 759ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 03:18:59 | 1794ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 12:13:16 | 1450ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 00:17:28 | 901ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 09:00:04 | 958ms | 4 NS 1 A 3 MX | 🔓 Insecure |