castleapartment.dk is a .dk domain served by 4 nameservers (ns1.quickdns.dk, ns2.quickdns.dk, ns3.quickdns.dk and 1 more). It was registered on 26 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.251.236 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mail.jip.host. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 172.104.251.236 | 1800s | jip.host | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 1800s | mail.jip.host | 172.104.237.70 2a01:7e01::f03c:91ff:fe80:e591 |
mail.jip.host mail.jip.host |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7e01::f03c:91ff:fe29:60e5 | 1800s | jip.host | AS63949 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 a mx ip4:139.162.142.198 ip6:2a01:7e01::f03c:91ff:fe39:5663/128 ip4:80.208.1.186 ~all |
| Policy | Record (castleapartment.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:139.162.142.198 ip6:2a01:7e01::f03c:91ff:fe39:5663/128 ip4:80.208.1.186 ~all |
| Policy | Record (_dmarc.castleapartment.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www CNAME | castleapartment.dk (all on castleapartment.dk) |
| www vs bare domain | Same network castleapartment.dk: 172.104.251.236 2a01:7e01::f03c:91ff:fe29:60e5 (AS63949) www.castleapartment.dk: 172.104.251.236 2a01:7e01::f03c:91ff:fe29:60e5 (AS63949) |
| Wildcard | No |
| 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.mail.jip.host | DANE-EE · SPKI · SHA-256 | 6B41F29DE6175D3D8D7B974D69E08E3F… |
| 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 | 2025051500 |
| Primary NS (MNAME) | ns1.quickdns.dk |
| Responsible (RNAME) | hostmaster@quickdns.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-09-26 |
| Expires | 2027-09-30 (348d) |
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).
| Domain | Registrar |
|---|---|
| hosting4u.dk | Punktum dk A/S (direct) |
| jiphost.dk | Punktum dk A/S (direct) |
| skovboferie.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-21 22:58:42 shown | 1321ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 12:31:04 | 1084ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 19:45:40 | 2585ms | 4 NS 1 A 1 MX | 🔓 Insecure |