mastercard.dk is a .dk domain served by 6 nameservers (a1-29.akam.net, a18-64.akam.net, a22-65.akam.net and 3 more). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.221.98.218 is hosted by Akamai Technologies, Inc. (AS16625) in Sweden. 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 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 |
|---|---|---|---|---|---|---|---|
| 88.221.98.218 | — | a88-221-98-218.deploy.static.akamaitechnologies.com | AS16625 | Akamai Technologies, Inc. | 88.221.96.0/22 | 🇸🇪 Sweden | Stockholm |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | — | mail.global.frontbridge.com | — | — | — |
| 10 | — | mail.global.frontbridge.com | — | — | — |
| TXT Record |
|---|
| v=spf1 include:deliverygateways.mastercard.com ~all |
| Policy | Record (mastercard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:deliverygateways.mastercard.com ~all |
| Policy | Record (_dmarc.mastercard.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www CNAME | www.mastercard.dk.edgekey.net (all on edgekey.net) |
| 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 | 2011012157 |
| Primary NS (MNAME) | dns1.mastercard.com |
| Responsible (RNAME) | hostmaster@mastercard.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|---|---|
| 2026-10-01 01:34:00 | 8513ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-04 04:49:26 | 62331ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 16:10:55 | 17824ms | 6 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:11:56 shown | 8857ms | 6 NS 1 A 2 MX | 🔓 Insecure |