DNS Report for b3.com.br

• deb.ns.cloudflare.com

  • IPv4: 108.162.192.92, 172.64.32.92, 173.245.58.92
  • IPv6: 2a06:98c1:50::ac40:205c, 2803:f800:50::6ca2:c05c, 2606:4700:50::adf5:3a5c
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• jose.ns.cloudflare.com

  • IPv4: 172.64.35.88, 162.159.44.88, 108.162.195.88
  • IPv6: 2803:f800:50::6ca2:c358, 2a06:98c1:50::ac40:2358, 2606:4700:58::a29f:2c58
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• deb.ns.cloudflare.com

  • Status: Responded
  • IP(s): 172.64.144.135, 104.18.43.121
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• jose.ns.cloudflare.com

  • Status: Responded
  • IP(s): 104.18.43.121, 172.64.144.135
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

deb.ns.cloudflare.com

• Serial: 2351480470
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

jose.ns.cloudflare.com

• Serial: 2351480470
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

Serial: 2351480470 - OK

REFRESH: 10000 - OK

RETRY: 2400 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 1800 - Note: Outside recommended range (1-3 hours)

deb.ns.cloudflare.com

• 0 b3-com-br.mail.protection.outlook.com ( 52.101.194.15 )

jose.ns.cloudflare.com

• 0 b3-com-br.mail.protection.outlook.com ( 52.101.42.13 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 15.194.101.52.in-addr.arpa -> mail-ch4pr21cu00107.inbound.protection.outlook.com
• 13.42.101.52.in-addr.arpa -> mail-mw2pr02cu00405.inbound.protection.outlook.com

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: None

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:b3cspf.b3.com.br include:bvmf.com.br include:sendgrid.net ip4:177.66.124.167 ip4:189.112.203.82 ip4:200.19.56.243 -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 177.66.124.167, 189.112.203.82, 200.19.56.243
• Includes: b3cspf.b3.com.br, bvmf.com.br, sendgrid.net
• DNS Lookups: 4
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1zf8XNO/z4anr1GGkIH7iRf4hlVwBnwaSdY1qX6nrnNUvepfifAPE2mM6jKQPCpFzMkH5vudSjf94BxaRCpenzIrneNlIa/9OczoNintokhJVqMDI+5CwszNM1sRc6uAFJXXy/4tPLXyZtdz2lOr9h9qt7NxX+Ib1T7WH5DOQqQIDAQAB; n=1024,1490933828,1
• Valid Syntax: Yes

• Record: v=DMARC1; p=reject; pct=100; fo=1; ri=3600;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];
• Syntax: Valid
• Policy: reject
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected], mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected], mailto:[email protected]
• Failure Options (fo): 1
• Reporting Interval: 3600 seconds

DMARC External Validation:

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