fguskolen.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 13 January 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.81.232 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 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 |
|---|---|---|---|---|---|---|---|
| 88.99.81.232 | 3600s | linux3.itfirmaet.dk | AS24940 | Hetzner Online GmbH | 88.99.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx01.statens-it.dk | 194.182.109.217 | mx01.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx02.statens-it.dk | 194.182.109.218 | mx02.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx03.statens-it.dk | 194.182.109.219 | mx03.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx04.statens-it.dk | 194.182.109.220 | mx04.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx05.statens-it.dk | 194.182.109.221 | mx05.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx06.statens-it.dk | 194.182.109.222 | mx06.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx07.statens-it.dk | 194.182.109.223 | mx07.statens-it.dk | AS58282 Statens IT |
| 10 | 600s | mx08.statens-it.dk | 194.182.109.224 | mx08.statens-it.dk | AS58282 Statens IT |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| autodesk-domain-verification=lwfezLDEX_JXbIj_GTUq |
| autodesk-domain-verification=y_lnO-VMGVR8Rpfu6iBi |
| google-site-verification=Rk8g-Kgy2_zMbuZ9kxa8O0ecyEDtm6f1qqVnJbHouZw |
| v=spf1 a ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all |
| Policy | Record (fguskolen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:92.43.124.144 ip4:185.163.189.63 include:_spf.sitnet.dk include:o._spf.hostedsepo.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.fguskolen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www | 88.99.81.232 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx01.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx02.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| 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 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx05.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| SMTP _25._tcp.mx06.statens-it.dk | DANE-EE · Full cert · SHA-512 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| 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 | 8A12C2B7C0B5B6A9B6026C875909858F… |
| SMTP _25._tcp.mx08.statens-it.dk | DANE-EE · Full cert · SHA-512 | 1DFC9477DAE259CF5EC3C684DAAEEA6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026040900 |
| 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 | 2019-01-13 |
| Expires | 2027-01-31 (98d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 17:00:53 | 1307ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-09-18 05:14:34 | 1672ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-25 10:50:47 shown | 1325ms | 4 NS 1 A 8 MX | 🔒 Secure |
| 2026-06-23 03:25:59 | 1076ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:13:46 | 1200ms | 4 NS 1 A 8 MX | 🔒 Secure |