sikko.dk is a .dk domain served by 2 nameservers (rachel.ns.cloudflare.com, west.ns.cloudflare.com). It was registered on 21 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.240 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.hostinger.dk, mx2.hostinger.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.240 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.152 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | — | mx1.hostinger.dk | 172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f |
— — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| 10 | — | mx2.hostinger.dk | 172.65.182.103 2606:4700:90:0:c1f8:f874:2386:b61f |
— — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.152.152 |
| 🔶 Autoconfig | 172.67.152.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:9898 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:1f0 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.240,172.67.152.152 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9898,2606:4700:3034::6815:1f0 |
| TXT Record |
|---|
| v=spf1 include:_spf.mail.hostinger.com ~all |
| Policy | Record (sikko.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mail.hostinger.com ~all |
| Policy | Record (_dmarc.sikko.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | globalsign.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | sectigo.com |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | sectigo.com |
| 0 | issuewild | ssl.com |
| www | 104.21.1.240 172.67.152.152 2606:4700:3031::ac43:9898 2606:4700:3037::6815:1f0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · 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 | 2406575311 |
| Primary NS (MNAME) | rachel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-04-21 |
| Expires | 2028-04-30 (560d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 16:06:57 | 2236ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-16 15:22:21 | 1590ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-25 00:52:18 | 867ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-24 14:21:26 | 10491ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-18 07:12:41 | 1243ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-16 17:17:29 | 4549ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-29 21:00:39 | 949ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 05:04:20 shown | 3017ms | 2 NS 2 A 2 MX | 🔓 Insecure |