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DNS Report for mastercard.com

Date Generated: 2024-08-07 19:25:54
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Nameservers

  • dns2.mastercard.com
    • IPv4: 216.119.210.53
    • IPv6: 2607:3c00:6414:4::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a1-29.akam.net
    • IPv4: 193.108.91.29
    • IPv6: 2600:1401:2::1d
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a26-66.akam.net
    • IPv4: 23.74.25.66
    • IPv6: 2600:1480:b800::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns1.mastercard.com
    • IPv4: 216.119.218.53
    • IPv6: 2607:3c00:6404:4::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a22-65.akam.net
    • IPv4: 23.211.61.65
    • IPv6: 2600:1480:7800::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a7-67.akam.net
    • IPv4: 23.61.199.67
    • IPv6: 2600:1406:32::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a9-64.akam.net
    • IPv4: 184.85.248.64
    • IPv6: 2a02:26f0:117::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a18-64.akam.net
    • IPv4: 95.101.36.64
    • IPv6: 2600:1480:4800::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

Nameserver Queries

  • dns2.mastercard.com
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • a1-29.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a26-66.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns1.mastercard.com
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • a22-65.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a7-67.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a9-64.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a18-64.akam.net
    • Status: Responded
    • IP(s): 216.119.218.99
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

dns2.mastercard.com
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a1-29.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a26-66.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
dns1.mastercard.com
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a22-65.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a7-67.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a9-64.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
a18-64.akam.net
  • Serial: 2011126781
  • Refresh: 14400
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300

Serial: 2011126781 - OK

REFRESH: 14400 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

MX Records

dns2.mastercard.com
a1-29.akam.net
a26-66.akam.net
dns1.mastercard.com
a22-65.akam.net
a7-67.akam.net
a9-64.akam.net
a18-64.akam.net

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 24.153.163.148.in-addr.arpa -> mx0b-00078002.pphosted.com
  • 24.153.163.148.in-addr.arpa -> mx0b-00078002.pphosted.com

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • Signed: No
  • Validation: Failed
  • DNSKEY Records: None
  • DS Records in parent zone: None
  • DS at Parent: None

DNSSEC - Note: Domain is not signed with DNSSEC

Error: No DNSSEC records found

SPF (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 include:spf.protection.outlook.com include:deliverygateways.mastercard.com include:external.mastercard.com include:external2.mastercard.com include:deliverygateways2.mastercard.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.protection.outlook.com, deliverygateways.mastercard.com, external.mastercard.com, external2.mastercard.com, deliverygateways2.mastercard.com
  • DNS Lookups: 20 (Warning: Exceeds limit)
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all
Warnings:
  • SPF record has more than 10 DNS lookups, which may cause lookup limits

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: k1
  • Selector 'k1':
    Record: v=DKIM1;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1esJ8SCWI11W6ztaCcfSzFfUc4VC/DppR7j8cpsclMaUA5ZDHTjoTp/eZJ6QwjX0LIl9TSKCjfY79W2HsK0TgtTvfCl68W4ykVcVi2+wc83Xl2k5VLonTmSLHnh/5M2+t+D7CGCVq4U9xk5RveRWxfPb90BlpXxP3hCLnZ2L2ddDDYZWwAdyb3u6MNpnc8S8ohc5c
  • Valid Syntax: No
Warnings:
  • DKIM record for selector 'k1' may be incomplete

DMARC

DMARC External Validation:
  • Valid external domains: auth.returnpath.net, auth.returnpath.net
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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