fpkastanien.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fpkastanien-dk.mail.protection.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.251 | — | linux8.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=iqRZqCpiZS0KgPlv2cpkKt-CrSBh2ovK0fEZmtKzFrE |
| MS=ms78732704 |
| v=spf1 include:spf.protection.outlook.com ip4:93.191.155.217 ip4:185.21.40.251 -all |
| Policy | Record (fpkastanien.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:93.191.155.217 ip4:185.21.40.251 -all |
| Policy | Record (_dmarc.fpkastanien.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; pct=100; adkim=s; aspf=s; rua=mailto:dmarc_agg@vali.email; fo=1; |
| www | 104.21.26.234 172.67.168.150 2606:4700:3031::6815:1aea 2606:4700:3035::ac43:a896 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network fpkastanien.dk: 104.21.26.234 172.67.168.150 2606:4700:3031::6815:1aea 2606:4700:3035::ac43:a896 (AS13335) www.fpkastanien.dk: 104.21.26.234 172.67.168.150 2606:4700:3031::6815:1aea 2606:4700:3035::ac43:a896 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-fpkastanien-dk._domainkey.diakonhjem.q-v1.dkim.mail.microsoft | 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: 1/10 · 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 | 2025111006 |
| 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 | ONE.COM A/S |
| Registered | 2025-01-06 |
| Expires | 2027-01-05 (78d) |
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 |
|---|---|---|---|
| 2026-10-18 16:05:24 | 2690ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 14:38:10 | 940ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:32:30 | 1573ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 23:14:32 | 2190ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 23:00:05 | 11049ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 11:40:47 | 504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 19:06:49 | 1183ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:23:52 shown | 1010ms | 2 NS 1 A 1 MX | 🔒 Secure |