DNS Report for mckinsey.com

• 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

• a1-89.akam.net

  • IPv4: 193.108.91.89
  • IPv6: 2600:1401:2::59
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a22-66.akam.net

  • IPv4: 23.211.61.66
  • IPv6: 2600:1480:7800::42
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a3-67.akam.net

  • IPv4: 96.7.49.67
  • IPv6: 2600:1408:1c::43
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a12-64.akam.net

  • IPv4: 184.26.160.64
  • IPv6: 2600:1480:f000::40
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a18-65.akam.net

  • IPv4: 95.101.36.65
  • IPv6: 2600:1480:4800::41
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• a9-64.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• a1-89.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• a22-66.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• a3-67.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• a12-64.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• a18-65.akam.net

  • Status: Responded
  • IP(s): 157.191.4.253
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

a9-64.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

a1-89.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

a22-66.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

a3-67.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

a12-64.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

a18-65.akam.net

• Serial: 2024082201
• Refresh: 3600
• Retry: 300
• Expire: 604800
• Minimum TTL: 300

Serial: 2024082201 - OK

REFRESH: 3600 - OK

RETRY: 300 - OK

EXPIRE: 604800 - OK

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

a9-64.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

a1-89.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

a22-66.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

a3-67.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

a12-64.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

a18-65.akam.net

• 10 mxa-00134603.gslb.pphosted.com ( 67.231.157.208 )
• 10 mxb-00134603.gslb.pphosted.com ( 67.231.157.208 )

MX Record Consistency - OK

MX Record Count - OK

• 208.157.231.67.in-addr.arpa -> mx0b-00134603.pphosted.com
• 208.157.231.67.in-addr.arpa -> mx0b-00134603.pphosted.com

PTR Records - OK

• 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 Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:aspmx.pardot.com include:spf.afas.online include:sendgrid.net include:spf-00134602.pphosted.com include:spf-00134603.pphosted.com include:_spf.salesforce.com include:spf-other-ips.mckinsey.com
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: aspmx.pardot.com, spf.afas.online, sendgrid.net, spf-00134602.pphosted.com, spf-00134603.pphosted.com, _spf.salesforce.com, spf-other-ips.mckinsey.com
• DNS Lookups: 13 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism
• SPF record has more than 10 DNS lookups, which may cause lookup limits

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
• Syntax: Valid
• Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

• Valid external domains: emaildefense.proofpoint.com, emaildefense.proofpoint.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.