cirkler.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no 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.
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026083001 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| 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 | 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 shown | 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 |