DNS Report for crossbox.io

• ns-cloud-c2.googledomains.com

  • IPv4: 216.239.34.108
  • IPv6: 2001:4860:4802:34::6c
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-c3.googledomains.com

  • IPv4: 216.239.36.108
  • IPv6: 2001:4860:4802:36::6c
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-c1.googledomains.com

  • IPv4: 216.239.32.108
  • IPv6: 2001:4860:4802:32::6c
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-c4.googledomains.com

  • IPv4: 216.239.38.108
  • IPv6: 2001:4860:4802:38::6c
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-cloud-c2.googledomains.com

  • Status: Responded
  • IP(s): 176.9.187.210
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

• ns-cloud-c3.googledomains.com

  • Status: Responded
  • IP(s): 176.9.187.210
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

• ns-cloud-c1.googledomains.com

  • Status: Responded
  • IP(s): 176.9.187.210
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

• ns-cloud-c4.googledomains.com

  • Status: Responded
  • IP(s): 176.9.187.210
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NOERROR)
  • TCP Connectivity: Allows TCP connections

ns-cloud-c2.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-c3.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-c1.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-c4.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

Serial: 1 - OK

REFRESH: 21600 - OK

RETRY: 3600 - OK

EXPIRE: 259200 - OK

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

ns-cloud-c2.googledomains.com

• 0 mail.crossbox.io ( 159.69.118.111 )

ns-cloud-c3.googledomains.com

• 0 mail.crossbox.io ( 159.69.118.111 )

ns-cloud-c1.googledomains.com

• 0 mail.crossbox.io ( 159.69.118.111 )

ns-cloud-c4.googledomains.com

• 0 mail.crossbox.io ( 159.69.118.111 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 111.118.69.159.in-addr.arpa -> mail.crossbox.io

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 +ip4:159.69.118.111 ip4:176.9.187.213 ip4:176.9.187.210 ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 159.69.118.111, 176.9.187.213, 176.9.187.210
• Includes:
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: default
• Selector 'default':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1MNP9mCq6j5CWbcGOWzEbyhk5M+E2KcZiR1mvYnr3MpCHgSXdU8sO7QiPnn/WNDkHNPQkoR5sI0ZP6Ls/8K+NSbtFlQSwVSLOj/kTQ/bOJ79hNLlgeTPJMhy+SfDKP5giPnqfxncIL7O9RYS7g3LULjPKsVlQ0HoW3cCbVZ0gfQIDAQAB
• Valid Syntax: Yes

• Record: v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject; aspf=s; adkim=s
• Syntax: Valid
• Policy: reject
• Subdomain Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• DKIM Alignment (adkim): Strict
• SPF Alignment (aspf): Strict

DMARC External Validation:

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