DNS Report for samsung.com

• auth01.sam.ic

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

• auth04.sam.ic

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

• auth02.sam.ic

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

• dnssm.samsung.com

  • IPv4: 203.241.132.51
  • IPv6: 2001:330:a:300a:203:241:132:51
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 16 seconds
  • Recursive: N/A

• dns-gi2.samsung.com

  • IPv4: 203.241.135.186, 203.241.132.185, 203.241.135.185
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns-awskr1.samsung.com

  • IPv4: 52.79.211.80
  • IPv6: No IPv6 found
  • TTL (IPv4): 16 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dnsst2.samsung.com

  • IPv4: 112.106.53.58
  • IPv6: 2001:330:a:b:112:106:53:58
  • TTL (IPv4): 2 seconds
  • TTL (IPv6): 16 seconds
  • Recursive: N/A

• dnsst.samsung.com

  • IPv4: 203.241.135.51
  • IPv6: 2001:330:a:a:203:241:135:51
  • TTL (IPv4): 1 seconds
  • TTL (IPv6): 2 seconds
  • Recursive: N/A

• auth04.nhn.ic

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

• dns-gi1.samsung.com

  • IPv4: 203.241.132.185
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• auth03.nhn.ic

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

• auth01.nhn.ic

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

• auth02.nhn.ic

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

• auth03.sam.ic

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

• dnssm2.samsung.com

  • IPv4: 112.107.53.58
  • IPv6: 2001:330:a:300b:112:107:53:58
  • TTL (IPv4): 1 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - Note: 15 nameservers (recommended: 2-7)

• dnssm.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns-gi2.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Error checking recursive queries: The DNS operation timed out.
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• dns-awskr1.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dnsst2.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dnsst.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns-gi1.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dnssm2.samsung.com

  • Status: Responded
  • IP(s): 211.45.27.231
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

dnssm.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 300

dns-gi2.samsung.com

Error: The DNS operation timed out after 5.412313222885132 seconds

dns-awskr1.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 300

dnsst2.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 300

dnsst.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 300

dns-gi1.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 300

dnssm2.samsung.com

• Serial: 2020083110
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• 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

dnssm.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

dns-gi2.samsung.com

Error: The DNS operation timed out after 5.402501821517944 seconds

dns-awskr1.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

dnsst2.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

dnsst.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

dns-gi1.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

dnssm2.samsung.com

• 10 mailin.samsung.com ( 203.254.224.12 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 12.224.254.203.in-addr.arpa -> mailin.samsung.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 include:_spf.samsung.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.samsung.com
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]

DMARC External Validation:

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