DNS Report for shell.com

• dns1.shell.com

  • IPv4: 134.146.80.20
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns3.shell.com

  • IPv4: 134.163.128.20
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns2.shell.com

  • IPv4: 144.199.196.20
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• dns1.shell.com

  • Status: Responded
  • IP(s): 4.210.156.184
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns3.shell.com

  • Status: Responded
  • IP(s): 4.210.156.184
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns2.shell.com

  • Status: Responded
  • IP(s): 4.210.156.184
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

dns1.shell.com

• Serial: 2179997
• Refresh: 10800
• Retry: 1080
• Expire: 2419200
• Minimum TTL: 600

dns3.shell.com

• Serial: 2179997
• Refresh: 10800
• Retry: 1080
• Expire: 2419200
• Minimum TTL: 600

dns2.shell.com

• Serial: 2179997
• Refresh: 10800
• Retry: 1080
• Expire: 2419200
• Minimum TTL: 600

Serial: 2179997 - OK

REFRESH: 10800 - OK

RETRY: 1080 - OK

EXPIRE: 2419200 - OK

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

dns1.shell.com

• 10 shell-com.mail.protection.outlook.com ( 52.101.73.22 )

dns3.shell.com

• 10 shell-com.mail.protection.outlook.com ( 52.101.68.3 )

dns2.shell.com

• 10 shell-com.mail.protection.outlook.com ( 52.101.68.21 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 21.68.101.52.in-addr.arpa -> mail-db4pr02cu00205.inbound.protection.outlook.com
• 22.73.101.52.in-addr.arpa -> mail-am7pr05cu00106.inbound.protection.outlook.com
• 3.68.101.52.in-addr.arpa -> mail-db7pr03cu00403.inbound.protection.outlook.com

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 4
• DS Records in parent zone: 0
• DS at Parent: False

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 exists:_i.%{i}._h.%{h}._o.%{o}._spf.shell.com include:_spf.shell.com include:_spf1.shell.com include:_spf2.shell.com include:_spf3.shell.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.shell.com, _spf1.shell.com, _spf2.shell.com, _spf3.shell.com, spf.protection.outlook.com, _spf.salesforce.com
• DNS Lookups: 9
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAztSbXZSisCzilpEME2O9IzVosxDI0SXt5p4KoSTx3VHaeLgZx+qq1Qt/Zg/XNLJ2vq1MvVxjrHkwaGCXhUX0DucwHc04UuIH5NTv/Qek6KtvTdxrazG1DhkHHNzX5bpW2esOIprKcYOxmQ9qYHTPTBk5mVqKYUg6tv8UAIYmsKydr/gkduFSdqe6PB6JLy7T6
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; sp=reject; fo=1; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]
• Syntax: Valid
• Policy: quarantine
• Subdomain Policy: reject
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

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