geus.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.5.125 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx01.statens-it.dk, mx02.statens-it.dk and 6 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 23.88.5.125 | 300s | static.125.5.88.23.clients.your-server.de | AS24940 | Hetzner Online GmbH | 23.88.0.0/17 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx01.statens-it.dk | 194.182.109.217 | mx01.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx02.statens-it.dk | 194.182.109.218 | mx02.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx03.statens-it.dk | 194.182.109.219 | mx03.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx04.statens-it.dk | 194.182.109.220 | mx04.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx05.statens-it.dk | 194.182.109.221 | mx05.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx06.statens-it.dk | 194.182.109.222 | mx06.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx07.statens-it.dk | 194.182.109.223 | mx07.statens-it.dk | AS58282 Statens IT |
| 10 | 300s | mx08.statens-it.dk | 194.182.109.224 | mx08.statens-it.dk | AS58282 Statens IT |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:272:3c81::2 | 300s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| adobe-idp-site-verification=40cffe653f03b92758669fe198adec17199cb9179357d544a2aa80ecfd6f627e |
| atlassian-domain-verification=iSZceUaU8U80kG8OsHvkZ6FJEvpsoqzXQL7PzItlpMdX8xK3xMcWhEPoc3AxkG3H |
| atlassian-sending-domain-verification=eb158283-918d-4295-912f-fe68fe60756a |
| autodesk-domain-verification=wiX9RYaCrCDGHd2KP4GC |
| dqtil5j5gb9p8acq3acobme5k6 |
| etdf6ditcu3bv98hvp2sj3avvg |
| have-i-been-pwned-verification=dweb_93xv3ie0oe0b4gve413pf3tl |
| mistral-domain-verification=6ba52618b2246f41a9ebef3ff0431f468a7d8cb0 |
| MS=ms66765523 |
| o2fj4tvu0dqul08gfpmbdpsrkc |
| v=spf1 ip4:77.66.23.141 ip4:152.115.61.183 ip4:152.115.61.176 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:194.182.109.192/26 include:spf.ubivox.com include:spf.protection.outlook.com include:spf.dandomain.dk include:dedicated.mysmtp.com ~all |
| Policy | Record (geus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:77.66.23.141 ip4:152.115.61.183 ip4:152.115.61.176 ip4:194.182.109.192/26 ip4:188.64.157.0/28 ip4:194.182.109.192/26 include:spf.ubivox.com include:spf.protection.outlook.com include:spf.dandomain.dk include:dedicated.mysmtp.com ~all |
| Policy | Record (_dmarc.geus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; fo=0; ri=3600; rua=mailto:postmastergeus@geus.dk; ruf=mailto:admin@geus.dk |
| www CNAME | geus.dk (all on geus.dk) |
| www vs bare domain | Same network geus.dk: 23.88.5.125 2a01:4f8:272:3c81::2 (AS24940) www.geus.dk: 23.88.5.125 2a01:4f8:272:3c81::2 (AS24940) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 9/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.geus.dk | -mGonU3uPomyte4CL3nMkQXqYBWJ2kEeDVzuOh_oO7o |
| TXT | _acme-challenge.geus.dk | 2xRop-SqaiqIOJtFglCPH3RE-D2ey8CWBAjIFVoKF6Y |
| TXT | _acme-challenge.geus.dk | M9ksc6G3OLIjUY-10I3WtBjhC-LXvd9QGpI05xhZkdc |
| TXT | _acme-challenge.geus.dk | Np-eCpkTOkS4GvGpGdUQwvdx0d1mOIQAcpXyky-kQuU |
| TXT | _acme-challenge.geus.dk | _8jrU2uAT9fPURQiJ-TwXqjoujijmRq7bZu_8_fhue4 |
| TXT | _acme-challenge.geus.dk | _aG78obs6-3WBEl7Rp2TiNjkjKUaIG57-dgpDDkLur0 |
| TXT | _acme-challenge.geus.dk | iFVhGPtYkmzF80dwtHxQCM4QJw2Vv3jWkDSKv0JV7AQ |
| TXT | _acme-challenge.geus.dk | mp2XUpmI0MMcyFPWlL7IRIVIGN1mYINlrqvHNGjXxpc |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx03.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx03.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx04.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx04.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx05.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx05.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx07.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx07.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx08.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx08.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416427325 |
| Primary NS (MNAME) | fatima.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1996-04-23 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 10:36:24 | 2212ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-14 10:15:08 | 936ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-13 07:18:38 | 1191ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-12 02:36:18 | 2636ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-11 00:50:55 | 716ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-09 23:49:40 | 1907ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-08 17:36:18 | 1473ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-07 17:23:43 | 5200ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-06 17:04:36 | 3149ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-05 16:38:49 | 1258ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-03 16:30:20 | 1708ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-02 16:27:50 shown | 1299ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-10-01 16:24:27 | 4750ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-30 16:13:03 | 1225ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-29 18:01:24 | 2116ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-28 17:48:43 | 1629ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-27 17:33:59 | 3230ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-26 17:29:55 | 1874ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-25 17:17:38 | 1225ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-25 15:55:43 | 1826ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-24 15:46:32 | 1584ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-23 15:08:52 | 1243ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-22 00:25:27 | 2084ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-14 00:29:51 | 1644ms | 2 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-08 12:18:43 | 1094ms | 2 NS 1 A 8 MX | 🔒 Secure |