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DNS Report for tesco.com

Date Generated: 2024-08-17 23:23:06
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Nameservers

  • pdns194.ultradns.biz
    • IPv4: 156.154.66.194
    • IPv6: 2610:a1:1015::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns194.ultradns.co.uk
    • IPv4: 156.154.69.194
    • IPv6: 2610:a1:1017::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns194.ultradns.com
    • IPv4: 156.154.64.194
    • IPv6: 2001:502:f3ff::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns194.ultradns.info
    • IPv4: 156.154.68.194
    • IPv6: 2610:a1:1016::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns194.ultradns.net
    • IPv4: 156.154.65.194
    • IPv6: 2610:a1:1014::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns194.ultradns.org
    • IPv4: 156.154.67.194
    • IPv6: 2001:502:4612::e6
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns12.ultradns2.com
    • IPv4: 204.74.104.12
    • IPv6: 2610:a1:310c::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns12.ultradns2.org
    • IPv4: 204.74.106.12
    • IPv6: 2610:a1:320c::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

Nameserver Queries

  • pdns194.ultradns.biz
    • Status: Responded
    • IP(s): 104.72.157.117
    • TTL: 11 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns194.ultradns.co.uk
    • Status: Responded
    • IP(s): 104.126.113.77
    • TTL: 11 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns194.ultradns.com
    • Status: Responded
    • IP(s): 104.72.157.117
    • TTL: 2 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns194.ultradns.info
    • Status: Responded
    • IP(s): 104.72.157.117
    • TTL: 2 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns194.ultradns.net
    • Status: Responded
    • IP(s): 104.72.157.117
    • TTL: 10 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns194.ultradns.org
    • Status: Responded
    • IP(s): 104.126.113.77
    • TTL: 19 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns12.ultradns2.com
    • Status: Responded
    • IP(s): 23.44.76.73
    • TTL: 19 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns12.ultradns2.org
    • Status: Responded
    • IP(s): 23.44.76.73
    • TTL: 19 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

pdns194.ultradns.biz
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
pdns194.ultradns.co.uk
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
pdns194.ultradns.com
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
pdns194.ultradns.info
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
pdns194.ultradns.net
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
pdns194.ultradns.org
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
ns12.ultradns2.com
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600
ns12.ultradns2.org
  • Serial: 2015039472
  • Refresh: 86400
  • Retry: 7200
  • Expire: 2592000
  • Minimum TTL: 3600

Serial: 2015039472 - OK

REFRESH: 86400 - OK

RETRY: 7200 - OK

EXPIRE: 2592000 - OK

MINIMUM TTL: 3600 - OK

MX Records

pdns194.ultradns.biz
pdns194.ultradns.co.uk
pdns194.ultradns.com
pdns194.ultradns.info
pdns194.ultradns.net
pdns194.ultradns.org
ns12.ultradns2.com
ns12.ultradns2.org

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 50.28.183.185.in-addr.arpa -> mx08-00492d01.pphosted.com
  • 87.180.132.185.in-addr.arpa -> mx07-00492d01.pphosted.com
  • 50.28.183.185.in-addr.arpa -> mx08-00492d01.pphosted.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-00492d01.pphosted.com include:spf.protection.outlook.com include:mail.zendesk.com include:_spf.salesforce.com include:spf.sendinblue.com ip4:212.140.180.250 ip4:212.140.187.24 ip4:212.140.189.59 ip4:35.177.140.163 ip4:35.178.162.89 ip4:
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 212.140.180.250, 212.140.187.24, 212.140.189.59, 35.177.140.163, 35.178.162.89
  • Includes: spf-00492d01.pphosted.com, spf.protection.outlook.com, mail.zendesk.com, _spf.salesforce.com, spf.sendinblue.com
  • DNS Lookups: 7
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: Not Present
Warnings:
  • SPF record doesn't contain an 'all' mechanism
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: selector2
  • Selector 'selector2':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDuEFgjW2ub4U3vVnMF91WYl4QhPmxo+QjMF6DWyrE3x367nrG6Ew//fJ9NAhf9TJcfU5O/1rmyfCKbLn9hbwZdizlxp4ulIu5fADRGXnyjfu9q6fz4UIV3Qyj7qIONtCwEuKdoA9pFQ97nzzGvEg0zts58V06sK6CuUJ04DvvYoQIDAQAB;
  • Valid Syntax: Yes

DMARC

DMARC External Validation:
  • Valid external domains: emaildefense.proofpoint.com, emaildefense.proofpoint.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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