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DNS Report for samsung.co.kr

Date Generated: 2024-08-31 23:51:52
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Nameservers

  • auth02.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): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dnsst.samsung.com
    • IPv4: 203.241.135.51
    • IPv6: 2001:330:a:a:203:241:135:51
    • TTL (IPv4): 20 seconds
    • TTL (IPv6): 30 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): 30 seconds
    • Recursive: N/A
  • dns-awskr1.samsung.com
    • IPv4: 52.79.211.80
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • green.samsung.co.kr
    • IPv4: 211.189.122.246
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • red.samsung.co.kr
    • IPv4: 203.241.135.111
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 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): 7 seconds
    • TTL (IPv6): 30 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
  • auth04.nhn.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
  • auth03.sam.ic
    • IPv4: No IPv4 found
    • IPv6: No IPv6 found
    • TTL (IPv4): N/A seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • auth01.sam.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.nhn.ic
    • IPv4: No IPv4 found
    • IPv6: No IPv6 found
    • TTL (IPv4): N/A seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

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

Nameserver Queries

  • dnssm2.samsung.com
    • Status: Responded
    • IP(s): 112.106.21.70
    • 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): 112.106.21.70
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dnssm.samsung.com
    • Status: Responded
    • IP(s): 112.106.21.70
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns-awskr1.samsung.com
    • Status: Responded
    • IP(s): 112.106.21.70
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • green.samsung.co.kr
    • Status: Responded
    • IP(s): 112.106.21.70
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • red.samsung.co.kr
    • Status: Responded
    • IP(s): 112.106.21.70
    • 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): 112.106.21.70
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

dnssm2.samsung.com
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
dnsst.samsung.com
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
dnssm.samsung.com
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
dns-awskr1.samsung.com
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
green.samsung.co.kr
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
red.samsung.co.kr
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300
dnsst2.samsung.com
  • Serial: 2015061670
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 300

Serial: 2015061670 - OK

REFRESH: 10800 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

MX Records

dnssm2.samsung.com
dnsst.samsung.com
dnssm.samsung.com
dns-awskr1.samsung.com
green.samsung.co.kr
red.samsung.co.kr
dnsst2.samsung.com

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 37.21.106.112.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 37.21.106.112.in-addr.arpa.

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • 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 (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 ip4:112.106.21.35 ip4:112.106.21.36 ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses: 112.106.21.35, 112.106.21.36
  • Includes:
  • DNS Lookups: 1
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

DMARC

  • 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
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