IPv4 Addresses
mastercard.no. 20 IN A 23.210.132.40
Name Servers
mastercard.no. 1200 IN NS a1-29.akam.net. mastercard.no. 1200 IN NS a18-64.akam.net. mastercard.no. 1200 IN NS a22-65.akam.net. mastercard.no. 1200 IN NS a26-66.akam.net. mastercard.no. 1200 IN NS a7-67.akam.net. mastercard.no. 1200 IN NS a9-64.akam.net.
Mail Servers
mastercard.no. 1200 IN MX 5 mail.global.frontbridge.com. mastercard.no. 1200 IN MX 10 mail.global.frontbridge.com.
SOA Details
mastercard.no. 1200 IN SOA dns2.mastercard.com. hostmaster.mastercard.com. 2011012199 14400 3600 2419200 300
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
mastercard.no. 1200 IN DMARC v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
mastercard.no. 1200 IN TXT "v=spf1 include:deliverygateways.mastercard.com ~all"
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
mastercard.no. 1200 IN TXT "30574a4dd2380452be842e9888619980f677995e1e794adae9156e4122fc6ab7" mastercard.no. 1200 IN TXT "533a13b9bafd5068e2ee0fcc6f6646a55c4f270e12a51be35792376fc786f597" mastercard.no. 1200 IN TXT "7d76b3cd2d6c138b4715c6f8620e4fffc9e47810b451d0fa91d25c69700e5db1" mastercard.no. 1200 IN TXT "8b0d1089efffac20c1424c90d6c4c070d299728948e3a3f50f029cc815897d4a" mastercard.no. 1200 IN TXT "b67976226db43d4f3034ac9d6d1686396229e4e921157f9734d6fe78c8f045ac" mastercard.no. 1200 IN TXT "c8e238f905c43c45ba866e6715ccc190451beb382ff05ce40ce0508786d4c1a6"