citizenprep.dk is a .dk domain served by 3 nameservers (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk). It was registered on 6 July 2026 (WHOIS) and first appeared in the .dk zone on 7 July 2026. Its website address 66.241.125.172 is hosted by Fly.io, Inc. (AS40509) in United States. Mail is handled by mx10.websupport.sk, mx20.websupport.sk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 66.241.125.172 | 600s | ip-66-241-125-172.shared.customer.flyio.net | AS40509 | Fly.io, Inc. | 66.241.124.0/23 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 66.241.125.172 |
| 🔶 Autoconfig | 66.241.125.172 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:8280:1::13f:d70f:1 | 600s | ipv6.customer.flyio.net | AS40509 | Fly.io, Inc. | 2a09:8280:1:0:0:0:0:0/48 | 🇺🇸 United States | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | web.prod.bts.websupport.sk |
| TXT Record |
|---|
| google-site-verification=fBd_Gph6nVafOlFclEPY7w4I0RUWOBGZlngEMZ2I82g |
| v=spf1 a mx include:_spf.m1.websupport.sk -all |
| Policy | Record (citizenprep.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.m1.websupport.sk -all |
| Policy | Record (_dmarc.citizenprep.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 66.241.125.172 2a09:8280:1::13f:d70f:1 (AS40509) (address records, no CNAME) |
| www vs bare domain | Same network citizenprep.dk: 66.241.125.172 2a09:8280:1::13f:d70f:1 (AS40509) www.citizenprep.dk: 66.241.125.172 2a09:8280:1::13f:d70f:1 (AS40509) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | 0E8BB18BBEEFB381BE21BFC1A206D317… |
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.mx10.websupport.sk | DANE-TA · SPKI · SHA-256 | C784333D20BCD742B9FDC3236F4E509B… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | C784333D20BCD742B9FDC3236F4E509B… |
| SMTP _25._tcp.mx20.websupport.sk | DANE-TA · SPKI · SHA-256 | 0E8BB18BBEEFB381BE21BFC1A206D317… |
| 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 | 1784182055 |
| Primary NS (MNAME) | ns1.websupport.sk |
| Responsible (RNAME) | admin@websupport.sk |
| Refresh | 7200s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Field | Value |
|---|---|
| Registrar | Gransy s.r.o. |
| Registered | 2026-07-06 |
| Expires | 2027-07-05 (261d) |
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 |
|---|---|---|---|
| 2026-08-27 23:08:59 | 1142ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 19:59:02 shown | 1683ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 03:29:25 | 2154ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-17 09:53:14 | 2891ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-08 11:40:31 | 10163ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-07 08:44:51 | 3718ms | 3 NS 1 A 2 MX | 🔓 Insecure |