circa.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx.runbox.com. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.runbox.com | 185.226.149.25 | aibo.runbox.com | AS50304 Blix Solutions AS |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 include:spf.runbox.com -all |
| Policy | Record (circa.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.runbox.com -all |
| Policy | Record (_dmarc.circa.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | circa.dk (all on circa.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · 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 | 2026071601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@circa.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 07:40:01 | 1037ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 04:08:08 | 1007ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 02:07:43 | 2245ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 01:46:53 | 4506ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 23:08:36 | 1464ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:59:59 | 1054ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 01:54:07 | 9760ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 02:42:17 | 1200ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:02:54 | 850ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 03:11:05 | 1384ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 13:36:37 | 2107ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 18:31:50 | 3290ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-05 20:20:27 | 1310ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-01 05:55:26 | 1340ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 16:22:19 | 9866ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 10:25:28 shown | 2721ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 08:07:29 | 9270ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 20:39:15 | 1079ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 04:36:09 | 1346ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 07:01:14 | 1179ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-24 05:23:24 | 1148ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:06:33 | 675ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 07:15:17 | 1146ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:51:12 | 651ms | 5 NS 1 A 1 MX | 🔓 Insecure |