DNS Report for fastcompany.com

• ns-1515.awsdns-61.org

  • IPv4: 205.251.197.235
  • IPv6: 2600:9000:5305:eb00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1872.awsdns-42.co.uk

  • IPv4: 205.251.199.80
  • IPv6: 2600:9000:5307:5000::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-27.awsdns-03.com

  • IPv4: 205.251.192.27
  • IPv6: 2600:9000:5300:1b00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-715.awsdns-25.net

  • IPv4: 205.251.194.203
  • IPv6: 2600:9000:5302:cb00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-1515.awsdns-61.org

  • Status: Responded
  • IP(s): 151.101.1.54, 151.101.193.54, 151.101.129.54, 151.101.65.54
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1872.awsdns-42.co.uk

  • Status: Responded
  • IP(s): 151.101.65.54, 151.101.1.54, 151.101.129.54, 151.101.193.54
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-27.awsdns-03.com

  • Status: Responded
  • IP(s): 151.101.65.54, 151.101.193.54, 151.101.1.54, 151.101.129.54
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-715.awsdns-25.net

  • Status: Responded
  • IP(s): 151.101.193.54, 151.101.129.54, 151.101.1.54, 151.101.65.54
  • TTL: 3600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

ns-1515.awsdns-61.org

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1872.awsdns-42.co.uk

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-27.awsdns-03.com

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-715.awsdns-25.net

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

ns-1515.awsdns-61.org

• 5 mx1-us1.ppe-hosted.com ( 67.231.154.162 )
• 10 mx2-us1.ppe-hosted.com ( 148.163.129.51 )

ns-1872.awsdns-42.co.uk

• 5 mx1-us1.ppe-hosted.com ( 67.231.154.162 )
• 10 mx2-us1.ppe-hosted.com ( 148.163.129.51 )

ns-27.awsdns-03.com

• 5 mx1-us1.ppe-hosted.com ( 67.231.154.162 )
• 10 mx2-us1.ppe-hosted.com ( 67.231.154.163 )

ns-715.awsdns-25.net

• 5 mx1-us1.ppe-hosted.com ( 148.163.129.50 )
• 10 mx2-us1.ppe-hosted.com ( 148.163.129.51 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 50.129.163.148.in-addr.arpa -> mx1-us1.ppe-hosted.com
• 162.154.231.67.in-addr.arpa -> mx1-us1.ppe-hosted.com
• 51.129.163.148.in-addr.arpa -> mx2-us1.ppe-hosted.com
• 163.154.231.67.in-addr.arpa -> mx2-us1.ppe-hosted.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 a:dispatch-us.ppe-hosted.com include:_spf.google.com include:spf.mandrillapp.com include:amazonses.com include:spf.protection.outlook.com include:mail.zendesk.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.google.com, spf.mandrillapp.com, amazonses.com, spf.protection.outlook.com, mail.zendesk.com
• DNS Lookups: 13 (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 Records Found: Yes
• Selectors Found: mandrill
• Selector 'mandrill':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
• Valid Syntax: Yes

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

• All external domains in your DMARC record are giving permission to send them DMARC reports.

Errors:

• DMARC record does not exist