DNS Report for h3c.com

• dns9.h3c.com

  • IPv4: 23.101.22.140
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns6.h3c.com

  • IPv4: 60.191.123.52
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns5.h3c.com

  • IPv4: 221.12.31.58
  • IPv6: 2408:8642:afe:147::123
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns9.h3c.com

  • Status: Failed: All nameservers failed to answer the query h3c.com. IN A: Server 23.101.22.140 UDP port 53 answered SERVFAIL
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns6.h3c.com

  • Status: Failed: The DNS operation timed out after 5.402053356170654 seconds
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Error checking recursive queries: The DNS operation timed out.
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• dns5.h3c.com

  • Status: Responded
  • IP(s): 203.135.97.236, 60.191.123.44, 13.76.179.49
  • TTL: 7200 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

dns9.h3c.com

Error: All nameservers failed to answer the query h3c.com. IN SOA: Server 23.101.22.140 UDP port 53 answered SERVFAIL

dns6.h3c.com

Error: The DNS operation timed out after 5.401542663574219 seconds

dns5.h3c.com

• Serial: 2024082302
• Refresh: 3600
• Retry: 1800
• Expire: 604800
• Minimum TTL: 300

Serial - Warning: Inconsistent across nameservers

REFRESH - Warning: Inconsistent across nameservers

RETRY - Warning: Inconsistent across nameservers

EXPIRE - Warning: Inconsistent across nameservers

MINIMUM TTL - Warning: Inconsistent across nameservers

dns9.h3c.com

Error: All nameservers failed to answer the query h3c.com. IN MX: Server 23.101.22.140 UDP port 53 answered SERVFAIL

dns6.h3c.com

Error: The DNS operation timed out after 5.407248258590698 seconds

dns5.h3c.com

• 10 mail0.h3c.com ( 60.191.123.48 )
• 20 mail1.h3c.com ( 221.12.31.54 )

MX Record Consistency - OK

MX Record Count - OK

• 54.31.12.221.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 54.31.12.221.in-addr.arpa.
• 48.123.191.60.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 48.123.191.60.in-addr.arpa.

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 ip4:60.191.123.56 ip4:60.191.123.50 ip4:221.12.31.13 ip4:221.12.31.56 ip4:122.225.128.134 ip4:122.225.128.140 include:spf.protection.outlook.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 60.191.123.56, 60.191.123.50, 221.12.31.13, 221.12.31.56, 122.225.128.134, 122.225.128.140
• Includes: spf.protection.outlook.com
• DNS Lookups: 2
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Errors:

• DMARC record does not exist