gertthyssen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.33 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by gertthyssen-dk.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.33 | 3600s | linux183.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | 93.191.156.33 |
| TXT Record |
|---|
| v=spf1 include:outlook.com ~all |
| Policy | Record (gertthyssen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:outlook.com ~all |
| Policy | Record (_dmarc.gertthyssen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:post@gertthyssen.dk; fo=1; adkim=s; aspf=s; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-gertthyssen-dk._domainkey.gertthyssen.onmicrosoft.com | RSA · ~1024 bit below 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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021122201 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-01-03 |
| Expires | 2027-03-31 (164d) |
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).
| Domain | Registrar |
|---|---|
| g-ts.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:21:26 | 529ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 19:39:36 | 566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 17:33:09 shown | 553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 08:27:42 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 19:27:06 | 4699ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 13:06:24 | 4701ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:41:50 | 1564ms | 2 NS 1 A 1 MX | 🔒 Secure |