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DNS Report for ahnlab.com

Date Generated: 2024-08-05 18:09:03
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Nameservers

  • ns2.dacom.co.kr
    • IPv4: 203.248.240.31
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • nis.dacom.co.kr
    • IPv4: 164.124.101.31
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns2.dacom.co.kr
    • Status: Responded
    • IP(s): 211.233.80.201, 211.233.80.200, 114.108.184.200, 114.108.184.201
    • TTL: 600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • nis.dacom.co.kr
    • Status: Responded
    • IP(s): 114.108.184.201, 114.108.184.200, 211.233.80.201, 211.233.80.200
    • TTL: 600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns2.dacom.co.kr
  • Serial: 2024080200
  • Refresh: 21600
  • Retry: 900
  • Expire: 604800
  • Minimum TTL: 600
nis.dacom.co.kr
  • Serial: 2024080200
  • Refresh: 21600
  • Retry: 900
  • Expire: 604800
  • Minimum TTL: 600

Serial: 2024080200 - OK

REFRESH: 21600 - OK

RETRY: 900 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

MX Records

ns2.dacom.co.kr
nis.dacom.co.kr

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 51.193.112.210.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 51.193.112.210.in-addr.arpa.
  • 160.157.162.182.in-addr.arpa -> kspmx01.ahnlab.com
  • 161.157.162.182.in-addr.arpa -> kspmx02.ahnlab.com

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 include:spf1.ahnlab.com include:spf2.ahnlab.com include:spf3.ahnlab.com include:spf4.ahnlab.com include:spf5.ahnlab.com include:aspmx.pardot.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf1.ahnlab.com, spf2.ahnlab.com, spf3.ahnlab.com, spf4.ahnlab.com, spf5.ahnlab.com, aspmx.pardot.com
  • DNS Lookups: 20 (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 (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: selector1
  • Selector 'selector1':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcuptdotllwy7C0DCUk0xyDZjS6V+C3257ZLp8WTlxKrZlxWsK56mDpkUGpJKo202mMMSNJPn4rgQDA6GvOFweQHk//DjxjSEzc0BroFhtQRzMZ34Ck2jdA+jC5uKsInAtuz+7lCV7OFbSZKuuUNqO4KwSGjdH8Q6GnWRn/iCp4wIDAQAB;
  • Valid Syntax: Yes

DMARC

  • Record: v=DMARC1;p=none;sp=none;
  • Syntax: Valid
  • Policy: none
  • Subdomain Policy: none
  • RUA (Aggregate Reports):
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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