cirrus.dk is a .dk domain served by 5 nameservers (a1-135.akam.net, a18-64.akam.net, blue.foundationdns.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 12.22.155.124 is hosted by MasterCard Technologies LLC (AS26380) in United States. Mail is handled by mail.global.frontbridge.com. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mail.global.frontbridge.com | — | — | — |
| 10 | 3600s | mail.global.frontbridge.com | — | — | — |
| TXT Record |
|---|
| v=spf1 include:deliverygateways.mastercard.com ~all |
| Policy | Record (cirrus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:deliverygateways.mastercard.com ~all |
| Policy | Record (_dmarc.cirrus.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | 12.22.155.124 (AS26380) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2011012047 |
| Primary NS (MNAME) | dns2.mastercard.com |
| Responsible (RNAME) | hostmaster@mastercard.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:58:59 shown | 11199ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-27 14:38:18 | 20338ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-23 02:59:09 | 12171ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-17 08:19:35 | 12095ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-08 19:04:40 | 65535ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 06:52:16 | 15046ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 05:16:51 | 12884ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-01 23:25:12 | 12810ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:55:49 | 15521ms | 6 NS 1 A 2 MX | 🔓 Insecure |