cirkler.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 13 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.99.87.26 is hosted by Hetzner Online GmbH (AS24940) in Germany. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.99.87.26 | 3600s | static.26.87.99.91.clients.your-server.de | AS24940 | Hetzner Online GmbH | 91.98.0.0/15 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 include:_cirkler_dk.spf-protect.com -all |
| Policy | Record (cirkler.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_cirkler_dk.spf-protect.com -all |
| Policy | Record (_dmarc.cirkler.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62e273e779a2b@dmarc.centerasecurity.com; |
| www CNAME | nightingale.cirkler-production-d456.c66.me (all on c66.me) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · 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 | 2026100101 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@cirkler.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2003-11-13 |
| Expires | 2026-11-30 (56d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:40:52 shown | 1686ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 03:29:24 | 828ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 09:01:38 | 950ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-09 13:48:10 | 1946ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-02 02:43:06 | 413ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-30 23:36:01 | 336ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 22:44:33 | 794ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 16:23:05 | 1357ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 06:49:07 | 735ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 11:15:48 | 670ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:51:16 | 2445ms | 2 NS 1 A 1 MX | 🔒 Secure |