sjkp.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, dawn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.195 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by box.sjkp.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.70.195 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.235 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | box.sjkp.dk | 2a01:4f9:c011:ac97::1 95.216.154.141 |
box.sjkp.dk box.sjkp.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 95.216.154.141 |
| 🔶 Autoconfig | 95.216.154.141 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:46c3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:8aeb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.70.195,172.67.138.235 ech=AEX+DQBBjQAgACDLcc0IVU47ovwQ8f0u0keIUrvqMVxNDz7J9ttgklC2AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:46c3,2606:4700:3033::ac43:8aeb |
| TXT Record |
|---|
| google-site-verification=1zt16NHwIMPx9sCdTdP4imWyhhLTAi018m0WYY_Tw2w |
| MS=ms21902744 |
| v=spf1 mx -all |
| Policy | Record (sjkp.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.sjkp.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 95.216.154.141 2a01:4f9:c011:ac97::1 (AS24940) (address records, no CNAME) |
| www vs bare domain | Different networks sjkp.dk: 104.21.70.195 172.67.138.235 2606:4700:3035::ac43:8aeb 2606:4700:3036::6815:46c3 (AS13335) (all like this)www.sjkp.dk: 95.216.154.141 2a01:4f9:c011:ac97::1 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u17482578.wl079.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u17482578.wl079.sendgrid.net | RSA · ~1024 bit below 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 | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'sjkp.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406563976 |
| Primary NS (MNAME) | amir.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 10:39:07 | 2908ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 08:44:05 | 2169ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 07:30:14 | 2594ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:55:08 | 820ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 19:54:20 | 4840ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 06:23:49 | 1212ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 01:45:24 | 3151ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:37:57 | 9759ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:48:16 shown | 1393ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-18 08:29:45 | 962ms | 2 NS 2 A 1 MX | 🔓 Insecure |