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DNS Report for lenovo.com

Date Generated: 2024-07-27 22:49:29
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Nameservers

  • a11-64.akam.net
    • IPv4: 84.53.139.64
    • IPv6: 2600:1480:1::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a8-64.akam.net
    • IPv4: 2.16.40.64
    • IPv6: 2600:1403:a::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a28-66.akam.net
    • IPv4: 95.100.173.66
    • IPv6: 2600:1480:d800::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a24-65.akam.net
    • IPv4: 2.16.130.65
    • IPv6: 2600:1480:9800::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a1-79.akam.net
    • IPv4: 193.108.91.79
    • IPv6: 2600:1401:2::4f
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a3-67.akam.net
    • IPv4: 96.7.49.67
    • IPv6: 2600:1408:1c::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a11-64.akam.net
    • Status: Responded
    • IP(s): 104.81.14.27
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a8-64.akam.net
    • Status: Responded
    • IP(s): 23.36.233.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a28-66.akam.net
    • Status: Responded
    • IP(s): 23.213.79.52
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a24-65.akam.net
    • Status: Responded
    • IP(s): 23.54.3.54
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a1-79.akam.net
    • Status: Responded
    • IP(s): 23.36.233.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a3-67.akam.net
    • Status: Responded
    • IP(s): 23.213.79.52
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a11-64.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200
a8-64.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200
a28-66.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200
a24-65.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200
a1-79.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200
a3-67.akam.net
  • Serial: 1833028228
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 7200

Serial: 1833028228 - OK

REFRESH: 21600 - OK

RETRY: 3600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 7200 - OK

MX Records

a11-64.akam.net
a8-64.akam.net
a28-66.akam.net
a24-65.akam.net
a1-79.akam.net
a3-67.akam.net

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 2.137.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 2.137.101.52.in-addr.arpa.
  • 30.132.101.52.in-addr.arpa -> mail-hk3pr03cu00106.inbound.protection.outlook.com
  • 28.132.101.52.in-addr.arpa -> mail-hk2pr02cu00104.inbound.protection.outlook.com
  • 0.137.101.52.in-addr.arpa -> mail-sg2pr03cu00500.inbound.protection.outlook.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:spf.lenovo.com include:vendorspf.lenovo.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.lenovo.com, vendorspf.lenovo.com
  • DNS Lookups: 3
  • 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

DMARC External Validation:
  • Valid external domains: ag.ap.dmarcian.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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