DNS Report for blockchair.com

• dns7.cloudns.net

  • IPv4: 185.136.98.88
  • IPv6: 2a06:fb00:1::3:88
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns8.cloudns.net

  • IPv4: 185.136.99.88
  • IPv6: 2a06:fb00:1::4:88
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns3.cloudns.net

  • IPv4: 185.136.96.88
  • IPv6: 2a06:fb00:1::1:88
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns4.cloudns.net

  • IPv4: 185.136.97.88
  • IPv6: 2a06:fb00:1::2:88
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns7.cloudns.net

  • Status: Responded
  • IP(s): 185.104.208.113
  • TTL: 60 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• dns8.cloudns.net

  • Status: Responded
  • IP(s): 185.104.208.113
  • TTL: 60 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• dns3.cloudns.net

  • Status: Responded
  • IP(s): 185.104.208.113
  • TTL: 60 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• dns4.cloudns.net

  • Status: Responded
  • IP(s): 185.104.208.113
  • TTL: 60 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

dns7.cloudns.net

• Serial: 2024082801
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

dns8.cloudns.net

• Serial: 2024082801
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

dns3.cloudns.net

• Serial: 2024082801
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

dns4.cloudns.net

• Serial: 2024082801
• Refresh: 7200
• Retry: 1800
• Expire: 1209600
• Minimum TTL: 3600

Serial: 2024082801 - OK

REFRESH: 7200 - OK

RETRY: 1800 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

dns7.cloudns.net

• 10 mx.yandex.net ( 127.0.0.1 )

dns8.cloudns.net

• 10 mx.yandex.net ( 127.0.0.1 )

dns3.cloudns.net

• 10 mx.yandex.net ( 127.0.0.1 )

dns4.cloudns.net

• 10 mx.yandex.net ( 127.0.0.1 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 1.0.0.127.in-addr.arpa -> localhost

PTR Records - OK

• Signed: Yes
• Validation: Failed
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: False

DNSSEC - Warning: Validation failed

Issue: No DS record found at the parent zone.

Action: Please add the DS record to both your DNS server and domain registrar.

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 redirect=_spf.yandex.net
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes:
• DNS Lookups: 1
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: mail
• Selector 'mail':
  Record: v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbPnJCnsdjAm8NNXasZDhF8HRa0yskMyWw/Xc9urrmMONdu/xl2qdgJjIKrw0Fqh8opuVedtJ8mHjlwTc222lmLhpdVmdI6UPfpiPfet/RWixFK7o5zB8WCDGJkBKK568SNumujKN+7QiZJLfLrX7Yem0qLvz+AmO62eajHoaCCQIDAQAB
• Valid Syntax: Yes

• Record: v=DMARC1;p=none
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports):

DMARC External Validation:

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