DNS Report for blockchain.info

• beth.ns.cloudflare.com

  • IPv4: 173.245.58.103, 108.162.192.103, 172.64.32.103
  • IPv6: 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 2606:4700:50::adf5:3a67
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• jay.ns.cloudflare.com

  • IPv4: 172.64.33.123, 108.162.193.123, 173.245.59.123
  • IPv6: 2803:f800:50::6ca2:c17b, 2a06:98c1:50::ac40:217b, 2606:4700:58::adf5:3b7b
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• beth.ns.cloudflare.com

  • Status: Responded
  • IP(s): 104.16.237.243, 104.16.236.243
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• jay.ns.cloudflare.com

  • Status: Responded
  • IP(s): 104.16.237.243, 104.16.236.243
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

beth.ns.cloudflare.com

• Serial: 2346938536
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

jay.ns.cloudflare.com

• Serial: 2346938536
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

Serial: 2346938536 - OK

REFRESH: 10000 - OK

RETRY: 2400 - OK

EXPIRE: 604800 - OK

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

beth.ns.cloudflare.com

• 10 aspmx.l.google.com ( 142.251.163.27 )
• 20 alt1.aspmx.l.google.com ( 209.85.202.27 )
• 20 alt2.aspmx.l.google.com ( 64.233.184.26 )
• 30 aspmx2.googlemail.com ( 209.85.202.27 )
• 30 aspmx3.googlemail.com ( 64.233.184.27 )

jay.ns.cloudflare.com

• 10 aspmx.l.google.com ( 142.251.163.27 )
• 20 alt1.aspmx.l.google.com ( 209.85.202.27 )
• 20 alt2.aspmx.l.google.com ( 64.233.184.26 )
• 30 aspmx2.googlemail.com ( 209.85.202.26 )
• 30 aspmx3.googlemail.com ( 64.233.184.26 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
• 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
• 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
• 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
• 27.163.251.142.in-addr.arpa -> wv-in-f27.1e100.net
• 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
• 26.202.85.209.in-addr.arpa -> dg-in-f26.1e100.net

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:sendgrid.net include:_spf.google.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: sendgrid.net, _spf.google.com
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCQNNLFJBedQogDfE++py2nE3G7FhuZhut2wbUVcfB+Oe7l0t+b+JvlW73funoopP5CilRCfI+553SS0LoR/QF56bIOAKU6uwyn+Uu2ypVBAt5QUy7ZmT0SPjzCIQayGXlfEDfFr8fV71rXNY+MReBHyvhd/70qTBmRSkbIXYdM2QIDAQAB
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
• Syntax: Valid
• Policy: quarantine
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected], mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]

DMARC External Validation:

• Invalid external domains: datafeeds.phishlabs.com, datafeeds.phishlabs.com

Warnings:

• Some external domains are not properly configured to receive DMARC reports: datafeeds.phishlabs.com, datafeeds.phishlabs.com