DNS Report for posthog.com

• julissa.ns.cloudflare.com

  • IPv4: 172.64.34.105, 108.162.194.105, 162.159.38.105
  • IPv6: 2a06:98c1:50::ac40:2269, 2606:4700:50::a29f:2669, 2803:f800:50::6ca2:c269
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• rory.ns.cloudflare.com

  • IPv4: 172.64.35.166, 162.159.44.166, 108.162.195.166
  • IPv6: 2803:f800:50::6ca2:c3a6, 2a06:98c1:50::ac40:23a6, 2606:4700:58::a29f:2ca6
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• julissa.ns.cloudflare.com

  • Status: Responded
  • IP(s): 76.76.21.21
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• rory.ns.cloudflare.com

  • Status: Responded
  • IP(s): 76.76.21.21
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

julissa.ns.cloudflare.com

• Serial: 2348103229
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

rory.ns.cloudflare.com

• Serial: 2348103229
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

Serial: 2348103229 - OK

REFRESH: 10000 - OK

RETRY: 2400 - OK

EXPIRE: 604800 - OK

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

julissa.ns.cloudflare.com

• 1 aspmx.l.google.com ( 142.251.167.27 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.27 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.27 )
• 10 alt3.aspmx.l.google.com ( 142.250.27.26 )
• 10 alt4.aspmx.l.google.com ( 142.250.153.26 )

rory.ns.cloudflare.com

• 1 aspmx.l.google.com ( 142.251.167.27 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.26 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.26 )
• 10 alt3.aspmx.l.google.com ( 142.250.27.26 )
• 10 alt4.aspmx.l.google.com ( 142.250.153.27 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
• 27.153.250.142.in-addr.arpa -> ea-in-f27.1e100.net
• 26.27.250.142.in-addr.arpa -> ra-in-f26.1e100.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
• 27.167.251.142.in-addr.arpa -> ww-in-f27.1e100.net
• 26.153.250.142.in-addr.arpa -> ea-in-f26.1e100.net
• 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• 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 include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net include:mcsv.net include:6958578.spf08.hubspotemail.net include:spf.mandrillapp.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.google.com, mail.zendesk.com, servers.mcsv.net, mcsv.net, 6958578.spf08.hubspotemail.net, spf.mandrillapp.com
• DNS Lookups: 11 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

Warnings:

• SPF record has more than 10 DNS lookups, which may cause lookup limits

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjB0VmsLAs4kZLAsNkDnJU/oPqJ/ZEJlBWX2pWWQUfDE3lqN/vnvl8NzwSKLSMYTw32yYGSTNrv6+cjhrblbJVJh23pGOJjBMB6yaCGPFylQq+xh/ccnBJ86lhOT6DThuMmpE+4OB76RRgn3rbM7iFkjwsjcbI5WqffwIChQak6rN15pQmcEhOTtNaBcw4TaVj
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; aspf=r; adkim=r; sp=reject;
• Syntax: Valid
• Policy: quarantine
• Subdomain Policy: reject
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected]
• DKIM Alignment (adkim): Relaxed
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

• Valid external domains: dmarc.postmarkapp.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.