DNS Report for charter.com

• ns1.charter.com

  • IPv4: 24.216.90.1
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.charter.com

  • IPv4: 24.216.90.2
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns3.charter.com

  • IPv4: 24.240.146.1
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns4.charter.com

  • IPv4: 24.240.146.2
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns1.charter.com

  • Status: Responded
  • IP(s): 142.136.168.7, 142.136.168.58, 142.136.81.135, 142.136.81.136
  • TTL: 7200 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.charter.com

  • Status: Responded
  • IP(s): 142.136.168.58, 142.136.81.135, 142.136.81.136, 142.136.168.7
  • TTL: 7200 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns3.charter.com

  • Status: Responded
  • IP(s): 142.136.81.136, 142.136.168.7, 142.136.168.58, 142.136.81.135
  • TTL: 7200 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4.charter.com

  • Status: Responded
  • IP(s): 142.136.168.58, 142.136.81.135, 142.136.81.136, 142.136.168.7
  • TTL: 7200 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns1.charter.com

• Serial: 2023103301
• Refresh: 86400
• Retry: 3600
• Expire: 3600000
• Minimum TTL: 172800

ns2.charter.com

• Serial: 2023103301
• Refresh: 86400
• Retry: 3600
• Expire: 3600000
• Minimum TTL: 172800

ns3.charter.com

• Serial: 2023103301
• Refresh: 86400
• Retry: 3600
• Expire: 3600000
• Minimum TTL: 172800

ns4.charter.com

• Serial: 2023103301
• Refresh: 86400
• Retry: 3600
• Expire: 3600000
• Minimum TTL: 172800

Serial: 2023103301 - OK

REFRESH: 86400 - OK

RETRY: 3600 - OK

EXPIRE: 3600000 - OK

MINIMUM TTL: 172800 - Note: Outside recommended range (1-3 hours)

ns1.charter.com

• 0 charter-com.mail.protection.outlook.com ( 52.101.41.3 )

ns2.charter.com

• 0 charter-com.mail.protection.outlook.com ( 52.101.11.9 )

ns3.charter.com

• 0 charter-com.mail.protection.outlook.com ( 52.101.9.26 )

ns4.charter.com

• 0 charter-com.mail.protection.outlook.com ( 52.101.42.13 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 13.42.101.52.in-addr.arpa -> mail-mw2pr02cu00405.inbound.protection.outlook.com
• 3.41.101.52.in-addr.arpa -> mail-sj2pr05cu00103.inbound.protection.outlook.com
• 9.11.101.52.in-addr.arpa -> mail-sn1pr02cu00101.inbound.protection.outlook.com
• 26.9.101.52.in-addr.arpa -> mail-bl0pr02cu00702.inbound.protection.outlook.com

PTR Records - OK

• Signed: No
• Validation: Failed
• DNSKEY Records: None
• DS Records in parent zone: None
• DS at Parent: None

DNSSEC - Note: Domain is not signed with DNSSEC

Error: No DNSSEC records found

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 ip4:209.225.8.0/24 ip4:209.225.28.0/24 ip4:24.196.48.42/32 ip4:24.217.29.16/32 ip4:24.176.92.28/32 ip4:142.136.234.128/27 ip4:142.136.235.128/27 ip4:206.210.91.85/32 ip4:204.235.114.171/32 ip4:204.235.112.171/32 include:et._spf.pardot.com include:s
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 209.225.8.0/24, 209.225.28.0/24, 24.196.48.42/32, 24.217.29.16/32, 24.176.92.28/32, 142.136.234.128/27, 142.136.235.128/27, 206.210.91.85/32, 204.235.114.171/32, 204.235.112.171/32
• Includes: et._spf.pardot.com, s
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

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

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8Z4j1XIUU26lMODDdmh8eCQyCUAfbW+hItUS/DniqHQC5y0eNqp9kacisVzyqUxWABHJH4N6PQBeJdmEWfsFRitlGOyt1K55ZB86vP5IdofGY9rVf1bniLzWVn9uM78DkqRgNQ5EDjU7u4yRACL8k4d90L/IeXydCCYarmH9MgQ9B4yYlF4BFSLiLwTUnZgwr
• Valid Syntax: Yes

• Record: v=DMARC1; p=none; sp=none; fo=1
• Syntax: Valid
• Policy: none
• Subdomain Policy: none
• RUA (Aggregate Reports):
• Failure Options (fo): 1

DMARC External Validation:

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