kastanie-skolen.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 24 January 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.95.230.209 is hosted by 1984 ehf (AS44925) in Iceland. Mail is handled by emailshost.net. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 93.95.230.209 | 60s | vps-93-95-230-209.1984.is | AS44925 | 1984 ehf | 93.95.224.0/21 | 🇮🇸 Iceland | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | emailshost.net | 139.144.67.193 2a01:7e01::f03c:93ff:fea2:8321 |
emailshost.net emailshost.net |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| TXT Record |
|---|
| v=spf1 ip4:139.144.67.193 ip6:2a01:7e01::f03c:93ff:fea2:8321 +a +mx ~all |
| Policy | Record (kastanie-skolen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:139.144.67.193 ip6:2a01:7e01::f03c:93ff:fea2:8321 +a +mx ~all |
| Policy | Record (_dmarc.kastanie-skolen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20210319223300 |
| max_age | 2678401s |
| Policy MX | emailshost.net |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:mail@kastanie-skolen.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:mail@kastanie-skolen.dk |
| 0 | issue | letsencrypt.org |
| www CNAME | kastanie-skolen.dk (all on kastanie-skolen.dk) → 93.95.230.209 (AS44925) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.emailshost.net | DANE-EE · SPKI · SHA-256 | 2D2D305EC63571218A07F66D379FD4E8… |
| HTTPS _443._tcp.kastanie-skolen.dk | DANE-EE · SPKI · SHA-256 | 36950C273B44DDA176A2D078A24A4FDC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022051343 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-01-24 |
| Expires | 2027-01-31 (103d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 03:50:32 shown | 829ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 10:42:56 | 872ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:59:56 | 1153ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 18:20:50 | 1158ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 05:00:22 | 1311ms | 3 NS 1 A 1 MX | 🔒 Secure |