kaesteljensen.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, megan.ns.cloudflare.com). It was registered on 19 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.203.242 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by www680.your-server.de. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.229.203.242 | 300s | — | AS216275 | Netnoerden ApS | 91.229.203.0/24 | 🇩🇰 Denmark | Virum |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | www680.your-server.de | 157.90.191.185 2a01:4f8:1061:2074::2 |
www680.your-server.de www680.your-server.de |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.229.203.242 |
| 🔶 Autoconfig | mail.your-server.de → 78.46.5.205 |
| 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 a mx ~all |
| Policy | Record (kaesteljensen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ~all |
| Policy | Record (_dmarc.kaesteljensen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:kontakt@kaesteljensen.dk |
| www | 109.58.37.23 (AS44034) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 2413139422 |
| Primary NS (MNAME) | ivan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | 1API GmbH |
| Registered | 2013-02-19 |
| Expires | 2027-02-28 (127d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:02:19 | 1229ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 21:23:06 | 3852ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:13:40 | 1715ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 20:53:34 | 3323ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 20:44:42 | 1988ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 19:33:17 shown | 2795ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 13:44:50 | 880ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 15:54:04 | 4527ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 10:06:17 | 1279ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 08:35:13 | 11806ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-16 05:47:43 | 2930ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 16:11:43 | 1130ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-02 06:19:08 | 2823ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 09:22:09 | 2716ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:02:31 | 2735ms | 2 NS 1 A 1 MX | 🔓 Insecure |