DNS report for up.ac.mz

ParentpassNS records at parent serversYour NS records at the parent servers are:

ns.up.ac.mz. [ ]
dns2.up.ac.mz. [ ]
[These were obtained from ns-mz.afrinic.net.]
passGlue at parent nameserversParent nameservers (I checked with ns-mz.afrinic.net.) know A record for your domain, Very good !
NSinfoNS records at your nameserversYour NS records at your nameservers are:

edondzo.up.ac.mz. [ ]
kayakweru.up.ac.mz. [ ]
dsdi-pc.up.ac.mz. [unknow]
dzivangutu.up.ac.mz. [unknow]
dns2.up.ac.mz. [ ]
ns.up.ac.mz. [ ]
estec.up.ac.mz. [ ]
cead.up.ac.mz. [ ]
oceano.uem.mz. [ ]
ulimwengo.up.ac.mz. [unknow]
dzowo.uem.mz. [ ]
kukhomo.up.ac.mz. [ ]
ciup.up.ac.mz. [ ]

dns2.up.ac.mz. [ ]
kukhomo.up.ac.mz. [ ]
dsdi-pc.up.ac.mz. [unknow]
dzivangutu.up.ac.mz. [ ]
edondzo.up.ac.mz. [ ]
ulimwengo.up.ac.mz. [ ]
dzowo.uem.mz. [unknow]
ns.up.ac.mz. [ ]
oceano.uem.mz. [unknow]
kayakweru.up.ac.mz. [ ]
estec.up.ac.mz. [ ]
cead.up.ac.mz. [ ]
ciup.up.ac.mz. [ ]
passMismatched glueOK. The DNS report did not detect any discrepancies between the glue provided by the parent servers and that provided by your authoritative DNS servers.
failNo NS A records at nameserversError: some servers does not provide A records for nameservers

At ns.up.ac.mz. []

No A record for dsdi-pc.up.ac.mz.

No A record for dzivangutu.up.ac.mz.

No A record for ulimwengo.up.ac.mz.

At dns2.up.ac.mz. []

No A record for dsdi-pc.up.ac.mz.

No A record for dzowo.uem.mz.

No A record for oceano.uem.mz.

failAll nameservers report identical NS recordsERROR. The NS records at all your nameservers are different, check the info above for details.
passAll nameservers respondOK. All of your nameservers listed at the parent nameservers responded.
passNameserver name validityOK. All of the NS records that your nameservers report seem valid (no IPs or partial domain names).
passNumber of nameserversOK. You have 2 nameservers. You must have at least 2 nameservers (RFC2182 section 5 recommends at least 3 nameservers), and preferably no more than 7.
passLame nameserversOK. All the nameservers listed at the parent servers answer authoritatively for your domain.
failMissing (stealth) nameserversERROR: stealth nameservers (nameservers what does not exist at root servers , but exist at your nameservers)
edondzo.up.ac.mz. at ns.up.ac.mz. []
kayakweru.up.ac.mz. at ns.up.ac.mz. []
dsdi-pc.up.ac.mz. at ns.up.ac.mz. []
dzivangutu.up.ac.mz. at ns.up.ac.mz. []
estec.up.ac.mz. at ns.up.ac.mz. []
cead.up.ac.mz. at ns.up.ac.mz. []
oceano.uem.mz. at ns.up.ac.mz. []
ulimwengo.up.ac.mz. at ns.up.ac.mz. []
dzowo.uem.mz. at ns.up.ac.mz. []
kukhomo.up.ac.mz. at ns.up.ac.mz. []
ciup.up.ac.mz. at ns.up.ac.mz. []
kukhomo.up.ac.mz. at dns2.up.ac.mz. []
dsdi-pc.up.ac.mz. at dns2.up.ac.mz. []
dzivangutu.up.ac.mz. at dns2.up.ac.mz. []
edondzo.up.ac.mz. at dns2.up.ac.mz. []
ulimwengo.up.ac.mz. at dns2.up.ac.mz. []
dzowo.uem.mz. at dns2.up.ac.mz. []
oceano.uem.mz. at dns2.up.ac.mz. []
kayakweru.up.ac.mz. at dns2.up.ac.mz. []
estec.up.ac.mz. at dns2.up.ac.mz. []
cead.up.ac.mz. at dns2.up.ac.mz. []
ciup.up.ac.mz. at dns2.up.ac.mz. []
passMissing nameservers 2OK. All of the nameservers listed at the parent nameservers are also listed as NS records at your nameservers.
failNameservers on separate class C'sERROR: some nameservers are in the same network
ns.up.ac.mz.[] and dns2.up.ac.mz.[]
dns2.up.ac.mz.[] and ns.up.ac.mz.[]
passAll NS IPs publicOK. All of your NS records appear to use public IPs. If there were any private IPs, they would not be reachable, causing DNS delays.
SOAinfoSOA recordYour SOA record is:
Primary nameserver: ns.up.ac.mz.
Hostmaster E-mail address: ciup.up.ac.mz.
Serial #: 2013102412
Refresh: 43200
Retry: 86400
Expire: 2419200
Default TTL:43200
passNS agreement on SOA Serial #OK. All your nameservers agree that your SOA serial number is 2013102412. That means that all your nameservers are using the same data.
passSOA MNAME CheckOK. Your SOA (Start of Authority) record states that your master (primary) name server is: ns.up.ac.mz. That server is listed at the parent servers, which is correct.
passSOA Serial NumberOK. Your SOA serial number is: 2013102412. This appears to be in the recommended format of YYYYMMDDnn, where 'nn' is the revision. This number must be incremented every time you make a DNS change.
warnSOA REFRESH valueYour SOA REFRESH interval is : 43200 seconds. This seems too long (about 3600-7200 seconds is good if not using DNS NOTIFY; RFC1912 2.2 recommends a value between 1200 to 43200 seconds (20 minutes to 12 hours)). This value determines how often secondary/slave nameservers check with the master for updates.
warnSOA RETRY valueERROR: SOA RETRY interval 86400 seconds more then SOA REFRESH interval which is 43200 seconds.
passSOA EXPIRE valueYour SOA EXPIRE time is : 2419200 seconds. This seems normal (about 1209600 to 2419200 seconds (2-4 weeks) is good). RFC1912 suggests 2-4 weeks. This is how long a secondary/slave nameserver will wait before considering its DNS data stale if it can't reach the primary nameserver.
passSOA MINIMUM TTL valueYour SOA MINIMUM TTL is : 43200 seconds. This seems normal (about 3,600 to 86400 seconds or 1-24 hours is good). RFC2308 suggests a value of 1-3 hours. This value used to determine the default (technically, minimum) TTL (time-to-live) for DNS entries, but now is used for negative caching.

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