DNS Report for bayer.com

• pdns1.cscdns.net

  • IPv4: 156.154.130.100
  • IPv6: 2610:a1:1022::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns2.cscdns.net

  • IPv4: 156.154.131.100
  • IPv6: 2610:a1:1023::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• pdns1.cscdns.net

  • Status: Responded
  • IP(s): 75.2.28.136
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• pdns2.cscdns.net

  • Status: Responded
  • IP(s): 75.2.28.136
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

pdns1.cscdns.net

• Serial: 2012103415
• Refresh: 28800
• Retry: 7200
• Expire: 1209600
• Minimum TTL: 600

pdns2.cscdns.net

• Serial: 2012103415
• Refresh: 28800
• Retry: 7200
• Expire: 1209600
• Minimum TTL: 600

Serial: 2012103415 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

pdns1.cscdns.net

• 10 bayer-com.mail.protection.outlook.com ( 52.101.68.36 )

pdns2.cscdns.net

• 10 bayer-com.mail.protection.outlook.com ( 52.101.68.36 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 36.68.101.52.in-addr.arpa -> mail-db5pr02cu00104.inbound.protection.outlook.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 mx ip4:192.237.159.170 ip4:166.78.71.146 ip4:192.237.159.44 ip4:23.253.183.59 ip4:212.64.225.225 ip4:212.64.225.226 include:spf.bayer.com -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 192.237.159.170, 166.78.71.146, 192.237.159.44, 23.253.183.59, 212.64.225.225, 212.64.225.226
• Includes: spf.bayer.com
• DNS Lookups: 5
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: selector2
• Selector 'selector2':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcEbtjRvLQIIXz7BmAxL10N/Sgjqgp+rkqZsyUtO5pBVcRuL80sry38RndGt6LIX1lRYx5WIYxXgQIQSKsJDby6QWFticFUuX7y2Yu+hSWIW5tcQ2I0QToZkip4lMZHzvWNo/C+p+MI72XYPc7d0IUME16uWrXcgNLf5xfPRII6wIDAQAB;
• Valid Syntax: Yes

• Record: v=DMARC1; p=none; rua=mailto:[email protected]
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]

DMARC External Validation:

• Valid external domains: ag.eu.dmarcian.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.