koreaguide.dk is a .dk domain served by 3 nameservers (ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de). It was registered on 28 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.148.4 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by koreaguide.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 89.150.148.4 | 7200s | x59969404.customers.hiper-net.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| 90.185.178.17 | 7200s | mail.jeseriksen.dk | AS203953 | Hiper A/S | 90.184.0.0/15 | 🇩🇰 Denmark | Vanløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | koreaguide.dk | 89.150.148.4 90.185.178.17 |
x59969404.customers.hiper-net.dk mail.jeseriksen.dk |
AS203953 Hiper A/S AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | koreaguide.dk → 89.150.148.4 |
| 🔶 Autoconfig | koreaguide.dk → 89.150.148.4 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.your-server.de |
| _imaps._tcp | 0 | 100 | 993 | mail.your-server.de |
| TXT Record |
|---|
| v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -all |
| Policy | Record (koreaguide.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:89.150.148.4/32 ip4:90.185.178.17/32 a:jeseriksen.dk a:janeeriksen.dk a:leriksen.dk a:schandorfferiksen.dk a:smallsolutions.dk a:trillegaarden.com a:nicehost.org a:rasmuswidell.com -all |
| www CNAME | koreaguide.dk (all on koreaguide.dk) |
| www vs bare domain | Same network koreaguide.dk: 89.150.148.4 90.185.178.17 (AS203953) www.koreaguide.dk: 89.150.148.4 90.185.178.17 (AS203953) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.koreaguide.dk | koreaguide.dk |
| 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 | 2026033001 |
| Primary NS (MNAME) | ns1.your-server.de |
| Responsible (RNAME) | postmaster@your-server.de |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-03-28 |
| Expires | 2027-03-27 (157d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 23:58:36 shown | 852ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 06:03:11 | 674ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 01:37:12 | 2685ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 20:42:44 | 2600ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:25:51 | 1931ms | 3 NS 2 A 1 MX | ⚠️ Bogus |