Report for redhat.com

Report summary
Pass 33 Passed tests.
Warn 4 Problems that can be ignored.
Fail 0 Problems that should be fixed.
Score
9.5
Report generated 2 months ago
Delegation Status Message
NS Records at Parent Servers pass Domain NS records:
  • ns1.redhat.com TTL=172800
  • ns2.redhat.com TTL=172800
  • ns3.redhat.com TTL=172800
Missing Glue warn Nameservers without glue:
  • ns1.redhat.com
  • ns2.redhat.com
  • ns3.redhat.com
Parent nameserver (a.gtld-servers.net) didn't provided ip addresses for all your nameservers.
DNS Servers Have A Records pass Found A records for all nameservers.
NS Status Message
Check NS Records pass Domain NS records:
  • ns3.redhat.com TTL=417
  • ns1.redhat.com TTL=417
  • ns2.redhat.com TTL=417
All Nameservers Responded pass All nameservers responded.
Allow recursive queries pass Domain nameservers are not allowing recursive queries.
Check Nameservers Count pass Domain has 3 nameservers.
Check for lame nameservers pass No lame nameservers found.
Check All IPs are Public pass No private IPs found.
Nameservers Have A Records pass Found A records for all nameservers.
Check for Stealth Records pass No stealth nameservers found.
No CNAME in NS Records pass No CNAMEs found in NS records.
Allow TCP Connections pass All nameservers are allowing tcp connections.
SOA Status Message
Nameservers Agreement on Serial Number pass All nameservers have the same serial [2010070201].
SOA Number Format pass Serial number format OK [2010070201].
SOA RNAME pass Contact email for DNS problems is noc@redhat.com (noc.redhat.com)
SOA MNAME pass Primary nameserver is ns1.redhat.com and is listed at the parent nameservers.
SOA Refresh pass Refresh interval is 3600. Recommended values [1200 .. 43200] (20 min ... 12 hours).
SOA Retry pass Retry interval is 1800. Recommended values [120 .. 7200] (2 minutes .. 2 hours).
SOA Expire warn Expire interval is 604800. Recommended values [1209600 .. 2419200] (1 week ... 2 weeks).
SOA Minimum TTL pass Minimum TTL value is 86400. Recommended values [3600 .. 86400] (1 hour ... 1 day).
MX Status Message
Check MX Records pass Domain MX records:
  • 10 mx2.redhat.com TTL=443
  • 5 mx1.redhat.com TTL=443
Reverse entries for MX records pass All MX records have reverse DNS entries.
Check MX records IPs are public pass No private IPs found.
Check MX records for duplicates pass No duplicates found.
Check for multiple MX records pass Domain has multiple MX records (2).
Only host names in MX records pass No IPs found in MX records.
No CNAME in MX records pass No CNAMEs found in MX records.
Mail Status Message
Connection to mailservers pass Successfully connected to all mailservers (2).
Mail greeting pass All mailservers have their name in greetings.
Check SPF record pass Domain has SPF record 'v=spf1 include:spf-2.redhat.com include:spf-1.redhat.com -all'.
Check DomainKeys warn Domain is not using DomainKeys.
Check Google Apps Settings pass Domain is not using Google Apps.
WWW Status Message
Check WWW record pass Domain has WWW record:
  • 88.221.136.112
Check all IP addresses are public pass No private IPs found.
Check WWW Record CNAME warn WWW record it's a CNAME, this can cause delays.
Check Domain A record pass Domain resolves to:
  • 209.132.183.81