sikkerlejr.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, simon.ns.cloudflare.com). It was registered on 23 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.82 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.71.82 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.143.249 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.143.249 |
| 🔶 Autoconfig | 172.67.143.249 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:8ff9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:4752 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.71.82,172.67.143.249 ech=AEX+DQBBMwAgACDcAU0fgMd+nDMdcrn2xPkUf9CFNr9o/H5CxnbdRQ+QKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8ff9,2606:4700:3035::6815:4752 |
| TXT Record |
|---|
| bw=8XpxVYsJBGH3Pu5uC5IjEf5BADTPJLkPeuiOAbZ4mS4h |
| have-i-been-pwned-verification=dweb_r7ykif640ck3kgz4cpqv4fw5 |
| v=spf1 -all |
| Policy | Record (sikkerlejr.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sikkerlejr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports-rua@redbarnet.dk; ruf=mailto:dmarcreports-ruf@redbarnet.dk |
| www | 104.21.71.82 172.67.143.249 2606:4700:3033::ac43:8ff9 2606:4700:3035::6815:4752 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sikkerlejr.dk: 104.21.71.82 172.67.143.249 2606:4700:3033::ac43:8ff9 2606:4700:3035::6815:4752 (AS13335) www.sikkerlejr.dk: 104.21.71.82 172.67.143.249 2606:4700:3033::ac43:8ff9 2606:4700:3035::6815:4752 (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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2409774579 |
| Primary NS (MNAME) | betty.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 | 2021-06-23 |
| Expires | 2027-06-30 (245d) |
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 |
|---|---|---|---|
| 2026-10-27 05:53:41 | 1024ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-21 18:31:52 | 642ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-17 20:49:29 | 717ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 15:51:13 | 748ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 21:39:27 | 693ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-25 21:17:46 | 659ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-06 01:55:29 | 2240ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-25 09:08:31 | 1866ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-23 06:52:58 | 3260ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-20 05:15:54 | 6481ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-10 17:50:53 | 4828ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-18 04:11:04 shown | 2045ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-26 04:47:47 | 872ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 05:32:42 | 1117ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-18 08:10:55 | 889ms | 2 NS 2 A 0 MX | 🔒 Secure |