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DNS Report for rbc.com

Date Generated: 2024-07-06 20:09:40
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Nameservers

  • edns3.ultradns.org
    • IPv4: 204.74.111.3
    • IPv6: 2001:502:4612::203
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns3.ultradns.biz
    • IPv4: 204.74.67.3
    • IPv6: 2610:a1:1015::203
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns3.ultradns.net
    • IPv4: 204.74.110.3
    • IPv6: 2610:a1:1014::203
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns3.ultradns.com
    • IPv4: 204.74.66.3
    • IPv6: 2001:502:f3ff::203
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns7.ultradns2.org
    • IPv4: 204.74.106.7
    • IPv6: 2610:a1:3207::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns7.ultradns2.com
    • IPv4: 204.74.104.7
    • IPv6: 2610:a1:3107::53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • edns3.ultradns.org
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • edns3.ultradns.biz
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • edns3.ultradns.net
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • edns3.ultradns.com
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns7.ultradns2.org
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns7.ultradns2.com
    • Status: Responded
    • IP(s): 204.74.99.100
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

edns3.ultradns.org
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900
edns3.ultradns.biz
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900
edns3.ultradns.net
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900
edns3.ultradns.com
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900
ns7.ultradns2.org
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900
ns7.ultradns2.com
  • Serial: 2019213732
  • Refresh: 600
  • Retry: 600
  • Expire: 1209600
  • Minimum TTL: 900

Serial: 2019213732 - OK

REFRESH: 600 - OK

RETRY: 600 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 900 - Note: Outside recommended range (1-3 hours)

MX Records

edns3.ultradns.org
edns3.ultradns.biz
edns3.ultradns.net
edns3.ultradns.com
ns7.ultradns2.org
ns7.ultradns2.com

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 143.135.71.216.in-addr.arpa -> esa.hc391-17.ca.iphmx.com
  • 69.131.71.216.in-addr.arpa -> esa.hc391-17.ca.iphmx.com
  • 69.131.71.216.in-addr.arpa -> esa.hc391-17.ca.iphmx.com
  • 143.135.71.216.in-addr.arpa -> esa.hc391-17.ca.iphmx.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 mx exists:%{i}.spf.hc391-17.ca.iphmx.com exists:%{i}.spf.hc490-56.ca.iphmx.com ip4:142.245.29.128/27 ip4:142.245.61.128/27 include:spf.protection.outlook.com -all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 142.245.29.128/27, 142.245.61.128/27
  • Includes: spf.protection.outlook.com
  • DNS Lookups: 9
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

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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