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DNS Report for tripadvisor.co.uk

Date Generated: 2024-09-03 03:52:44
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Nameservers

  • dns1.p08.nsone.net
    • IPv4: 198.51.44.8
    • IPv6: 2620:4d:4000:6259:7:8:0:1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns2.p08.nsone.net
    • IPv4: 198.51.45.8
    • IPv6: 2a00:edc0:6259:7:8::2
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns3.p08.nsone.net
    • IPv4: 198.51.44.72
    • IPv6: 2620:4d:4000:6259:7:8:0:3
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns4.p08.nsone.net
    • IPv4: 198.51.45.72
    • IPv6: 2a00:edc0:6259:7:8::4
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns1.ultradns.net
    • IPv4: 204.74.108.1
    • IPv6: 2001:502:f3ff::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns2.ultradns.net
    • IPv4: 204.74.109.1
    • IPv6: 2610:a1:1014::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns3.ultradns.org
    • IPv4: 199.7.68.1
    • IPv6: 2610:a1:1015::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns4.ultradns.org
    • IPv4: 199.7.69.1
    • IPv6: 2001:502:4612::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns5.ultradns.info
    • IPv4: 204.74.114.1
    • IPv6: 2610:a1:1016::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • pdns6.ultradns.co.uk
    • IPv4: 204.74.115.1
    • IPv6: 2610:a1:1017::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 10 nameservers (recommended: 2-7)

Nameserver Queries

  • dns1.p08.nsone.net
    • Status: Responded
    • IP(s): 151.101.2.28, 151.101.66.28, 151.101.130.28, 151.101.194.28
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns2.p08.nsone.net
    • Status: Responded
    • IP(s): 151.101.2.28, 151.101.66.28, 151.101.130.28, 151.101.194.28
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns3.p08.nsone.net
    • Status: Responded
    • IP(s): 151.101.2.28, 151.101.66.28, 151.101.130.28, 151.101.194.28
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • dns4.p08.nsone.net
    • Status: Responded
    • IP(s): 151.101.2.28, 151.101.66.28, 151.101.130.28, 151.101.194.28
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • pdns1.ultradns.net
    • Status: Responded
    • IP(s): 151.101.194.28, 151.101.2.28, 151.101.66.28, 151.101.130.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns2.ultradns.net
    • Status: Responded
    • IP(s): 151.101.130.28, 151.101.194.28, 151.101.66.28, 151.101.2.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns3.ultradns.org
    • Status: Responded
    • IP(s): 151.101.66.28, 151.101.194.28, 151.101.2.28, 151.101.130.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns4.ultradns.org
    • Status: Responded
    • IP(s): 151.101.66.28, 151.101.194.28, 151.101.130.28, 151.101.2.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns5.ultradns.info
    • Status: Responded
    • IP(s): 151.101.2.28, 151.101.194.28, 151.101.130.28, 151.101.66.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • pdns6.ultradns.co.uk
    • Status: Responded
    • IP(s): 151.101.66.28, 151.101.2.28, 151.101.130.28, 151.101.194.28
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections

SOA Records

dns1.p08.nsone.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
dns2.p08.nsone.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
dns3.p08.nsone.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
dns4.p08.nsone.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns1.ultradns.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns2.ultradns.net
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns3.ultradns.org
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns4.ultradns.org
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns5.ultradns.info
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180
pdns6.ultradns.co.uk
  • Serial: 2024070500
  • Refresh: 10000
  • Retry: 1800
  • Expire: 604800
  • Minimum TTL: 180

Serial: 2024070500 - OK

REFRESH: 10000 - OK

RETRY: 1800 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 180 - Note: Outside recommended range (1-3 hours)

MX Records

dns1.p08.nsone.net
dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
pdns1.ultradns.net
pdns2.ultradns.net
pdns3.ultradns.org
pdns4.ultradns.org
pdns5.ultradns.info
pdns6.ultradns.co.uk

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 26.62.253.172.in-addr.arpa -> bc-in-f26.1e100.net
  • 27.31.250.142.in-addr.arpa -> bj-in-f27.1e100.net
  • 27.122.253.172.in-addr.arpa -> bh-in-f27.1e100.net
  • 27.180.233.64.in-addr.arpa -> on-in-f27.1e100.net
  • 26.179.251.142.in-addr.arpa -> pd-in-f26.1e100.net
  • 26.180.233.64.in-addr.arpa -> pe-in-f26.1e100.net
  • 26.63.253.172.in-addr.arpa -> bi-in-f26.1e100.net
  • 27.63.253.172.in-addr.arpa -> bi-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: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 include:_spf.tripadvisor.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: _spf.tripadvisor.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: tripadvisor.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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