krelskov.dk is a .dk domain served by 2 nameservers (jean.ns.cloudflare.com, keenan.ns.cloudflare.com). It was registered on 29 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.59.117 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.48 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.114.96.1 |
| 🔶 Autoconfig | 104.21.59.117 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:98c1:3120::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| 2a06:98c1:3121::1 | 300s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:3120:0:0:0:0:0/46 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB8gAgACCIZ8uQXidaAaC48rHXa9UK3cXHkpyHTn9GHoptCod4GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (krelskov.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network krelskov.dk: 104.21.59.117 172.67.177.48 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.krelskov.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416785797 |
| Primary NS (MNAME) | jean.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2014-09-29 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:18:55 shown | 1393ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 09:19:26 | 1184ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:42:19 | 971ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 04:22:52 | 2226ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 06:20:53 | 1141ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 12:22:03 | 10058ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 00:44:15 | 3418ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-08 20:56:29 | 968ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 03:20:23 | 1774ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-09 03:46:27 | 2209ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-28 12:06:16 | 768ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-22 17:47:37 | 892ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 22:45:45 | 812ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 07:04:06 | 16185ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 06:26:02 | 1086ms | 2 NS 2 A 1 MX | 🔒 Secure |