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DNS Report for os-cdn.com

Date Generated: 2024-08-30 05:32:38
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Nameservers

  • ns-1413.awsdns-48.org
    • IPv4: 205.251.197.133
    • IPv6: 2600:9000:5305:8500::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-1793.awsdns-32.co.uk
    • IPv4: 205.251.199.1
    • IPv6: 2600:9000:5307:100::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-37.awsdns-04.com
    • IPv4: 205.251.192.37
    • IPv6: 2600:9000:5300:2500::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-663.awsdns-18.net
    • IPv4: 205.251.194.151
    • IPv6: 2600:9000:5302:9700::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns-1413.awsdns-48.org
    • Status: Failed: The DNS response does not contain an answer to the question: os-cdn.com. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns-1793.awsdns-32.co.uk
    • Status: Failed: The DNS response does not contain an answer to the question: os-cdn.com. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns-37.awsdns-04.com
    • Status: Failed: The DNS response does not contain an answer to the question: os-cdn.com. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns-663.awsdns-18.net
    • Status: Failed: The DNS response does not contain an answer to the question: os-cdn.com. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns-1413.awsdns-48.org
  • Serial: 1
  • Refresh: 7200
  • Retry: 900
  • Expire: 1209600
  • Minimum TTL: 86400
ns-1793.awsdns-32.co.uk
  • Serial: 1
  • Refresh: 7200
  • Retry: 900
  • Expire: 1209600
  • Minimum TTL: 86400
ns-37.awsdns-04.com
  • Serial: 1
  • Refresh: 7200
  • Retry: 900
  • Expire: 1209600
  • Minimum TTL: 86400
ns-663.awsdns-18.net
  • Serial: 1
  • Refresh: 7200
  • Retry: 900
  • Expire: 1209600
  • Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

MX Records

ns-1413.awsdns-48.org
ns-1793.awsdns-32.co.uk
ns-37.awsdns-04.com
ns-663.awsdns-18.net

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 26.153.250.142.in-addr.arpa -> ea-in-f26.1e100.net
  • 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
  • 26.27.250.142.in-addr.arpa -> ra-in-f26.1e100.net
  • 27.163.251.142.in-addr.arpa -> wv-in-f27.1e100.net
  • 27.153.250.142.in-addr.arpa -> ea-in-f27.1e100.net
  • 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
  • 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
  • 27.27.250.142.in-addr.arpa -> ra-in-f27.1e100.net

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: Failed

Multiple SPF Records: Passed

Errors:
  • No TXT records found

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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