Report for wikipedia.org

Report summary
Pass 31 Passed tests.
Warn 5 Problems that can be ignored.
Fail 0 Problems that should be fixed.
Score
9.1
Report generated 2 months ago
Delegation Status Message
NS Records at Parent Servers pass Domain NS records:
  • ns0.wikimedia.org TTL=86400
  • ns1.wikimedia.org TTL=86400
  • ns2.wikimedia.org TTL=86400
Missing Glue warn Nameservers without glue:
  • ns0.wikimedia.org
  • ns1.wikimedia.org
  • ns2.wikimedia.org
Parent nameserver (a0.org.afilias-nst.info) 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:
  • ns1.wikimedia.org TTL=86397
  • ns2.wikimedia.org TTL=86397
  • ns0.wikimedia.org TTL=86397
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 [2010060818].
SOA Number Format pass Serial number format OK [2010060818].
SOA RNAME pass Contact email for DNS problems is hostmaster@wikimedia.org (hostmaster.wikimedia.org)
SOA MNAME pass Primary nameserver is ns0.wikimedia.org and is listed at the parent nameservers.
SOA Refresh pass Refresh interval is 43200. Recommended values [1200 .. 43200] (20 min ... 12 hours).
SOA Retry pass Retry interval is 7200. Recommended values [120 .. 7200] (2 minutes .. 2 hours).
SOA Expire pass Expire interval is 1209600. Recommended values [1209600 .. 2419200] (1 week ... 2 weeks).
SOA Minimum TTL pass Minimum TTL value is 3600. Recommended values [3600 .. 86400] (1 hour ... 1 day).
MX Status Message
Check MX Records pass Domain MX records:
  • 50 lists.wikimedia.org TTL=3592
  • 10 mchenry.wikimedia.org TTL=3592
Reverse entries for MX records pass All MX records have reverse DNS entries.
Check MX records IPs are public pending
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 warn Found 1 mailservers which don't have their name in greetings:
  • lists.wikimedia.org -> lily.knams.wikimedia.org
Check SPF record warn Domain doesn't have SPF record.
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:
  • 91.198.174.2
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:
  • 208.80.152.2