DNS report for zone eurolijn.com

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• Category Status Test Name Information
• NS
  • 
  • NS records from
    your nameservers

  • NS records got from your nameservers are:

    
    

    ns4.domainingdepot.com [174.137.132.38]
    ns3.domainingdepot.com [174.137.132.38]
    

• • 
  • Zone transfers

  • All of your nameservers disallows zone transfers (AXFR). This is good.

• • 
  • Recursive Queries

  • All of your nameservers disallows recursive queries. This is good.

• • 
  • Mismatched NS records

  • OK. The NS records at all your nameservers are identical.

• • 
  • DNS servers responded

  • Good. All nameservers listed at the parent server responded.

• • 
  • Multiple Nameservers

  • OK. You have multiple nameservers. In most cases 2 are enough, however, RFC2182 section 5 states that you must have at least 3 nameservers, and no more than 7.

• • 
  • Nameservers are lame

  • OK. All the nameservers listed at the parent servers answer authoritatively for your domain.

• • 
  • Domain CNAMES

  • OK. RFC1912 2.4 and RFC2181 10.3 state that there should be no CNAMEs if an NS (or any other)
    record is present.

• • 
  • Different subnets

  • ERR. All your nameservers are in the 174.137.132.0/24 subnet. (C-class)

• • 
  • IPs of nameservers
    are public

  • Ok. Looks like the IP addresses of your nameservers are public. This is a good thing because it will prevent DNS delays and other problems like

• • 
  • DNS servers allow
    TCP connection

  • ERR. The following servers does not allow queries via TCP:
    
    ns4.domainingdepot.com ns3.domainingdepot.com

• SOA
  • 
  • SOA record

  • The SOA record is:
    Primary nameserver: eurolijn.com
    Hostmaster E-mail address: dns@eurolijn.com
    Serial #: 1
    Refresh: 10800
    Retry: 3600
    Expire:86400
    Default TTL: 7200

• • 
  • NSs have same SOA
    serial

  • OK. All your nameservers agree that your SOA serial number is 1

• • 
  • SOA MNAME entry

  • WARN. eurolijn.com is not listed in the zone as a nameserver. This could mean that you're leaking information about a hidden master.

• • 
  • SOA Serial

  • Your SOA serial number is: 1. Your SOA serial can pretty much be whatever you want, but most people prefer to have it in YYYYMMDD00-99 format.

• • 
  • SOA REFRESH

  • OK. Your SOA REFRESH interval is: 10800. That is OK

• • 
  • SOA RETRY

  • OK. Your SOA RETRY value is: 600. Looks ok.

• • 
  • SOA EXPIRE

  • WARN. Your SOA EXPIRE interval is: 86400. We recommend that you raise it to be within the 1209600 to 2419200 range. (2 to 4 weeks)

• • 
  • SOA MINIMUM

  • OK. Your SOA MINIMUM value is: 3600. Looks ok.

• MX
  • 
  • MX Records

  • Your MX records that were reported by your nameservers are:

    
    

    1 mail.domainingdepot.com
    

• • 
  • MX is not IP

  • OK. All of your MX records are host names.

• • 
  • Multiple MX

  • WARN. You have one MX-record. You should look into getting a backup mailserver for increased redundancy.

• WWW
  • 
  • WWW Record

  • Your www.eurolijn.com record is:
    www.eurolijn.com [72.172.91.230]
    

• • 
  • IPs are public

  • OK. All of your WWW IPs appear to be public IPs.

• • 
  • WWW CNAME

  • OK. No CNAME