marianapalavu.ro DNS Report

Health Score: 86%

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Checked: 5 months before

Parent

NS records at parent servers

nsc.xservers.ro [ 173.255.198.52 ]
nsd.xservers.ro [ 89.45.195.50 ]
nsa.xservers.ro [ 37.251.154.78 ]
nsb.xservers.ro [ 94.24.48.34 ]
[These were obtained from dns-at.rotld.ro.]

Glue at parent nameservers 7/7

SUCCESS Parent nameservers know A records for your domain, Very good !

NS

Mismatched glue 0/7

The glue provided by the root servers does not match glue that provided by your authoritative DNS servers.
(nsa.xservers.ro.		86400	IN	A	37.251.154.78) present at Parent, missing at (173.255.198.52, 89.45.195.50, 37.251.154.78, 94.24.48.34)
(nsb.xservers.ro.		86400	IN	A	94.24.48.34) present at Parent, missing at (173.255.198.52, 89.45.195.50, 37.251.154.78, 94.24.48.34)
(nsc.xservers.ro.		86400	IN	A	173.255.198.52) present at Parent, missing at (173.255.198.52, 89.45.195.50, 37.251.154.78, 94.24.48.34)
(nsd.xservers.ro.		86400	IN	A	89.45.195.50) present at Parent, missing at (173.255.198.52, 89.45.195.50, 37.251.154.78, 94.24.48.34)

Nameservers A records 0/7

Some servers does not provide A records for nameservers.
missing A record(s) for (nsb.xservers.ro,nsc.xservers.ro,nsa.xservers.ro,nsd.xservers.ro) at nameserver 173.255.198.52
missing A record(s) for (nsd.xservers.ro,nsa.xservers.ro,nsc.xservers.ro,nsb.xservers.ro) at nameserver 89.45.195.50
missing A record(s) for (nsd.xservers.ro,nsc.xservers.ro,nsb.xservers.ro,nsa.xservers.ro) at nameserver 37.251.154.78
missing A record(s) for (nsa.xservers.ro,nsb.xservers.ro,nsd.xservers.ro,nsc.xservers.ro) at nameserver 94.24.48.34

Nameservers report identical NS records 7/7

SUCCESS The NS records at all your nameservers are identical.

Nameservers respond 10/10

SUCCESS All of your nameservers listed at the parent nameservers responded.

Nameserver name validity 7/7

SUCCESS All of the NS records that your nameservers report are valid (no IPs or partial domain names).

Number of nameservers 5/5

SUCCESS You have 4 nameservers. You must have at least 2 nameservers (RFC2182 section 5 recommends at least 3 nameservers), and preferably no more than 7.

Lame nameservers 7/7

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

Missing (stealth) nameservers 7/7

SUCCESS All your nameservers are also listed at the parent servers.

Root missing nameservers 7/7

SUCCESS All of the nameservers listed at the parent nameservers are also listed as NS records at your nameservers.

Nameservers on separate class C's 7/7

SUCCESS Nameservers are in a different networks.

public IPs 7/7

SUCCESS All of your NS records appear to use public IPs.

SOA

SOA record

SOA record is:
Hostmaster email
infotech.xservers.ro
Serial
2015062300
Refresh
3600
Retry
3600
Expire
1209600
TTL
1800

Serial agreement 7/7

SUCCESS All your nameservers agree that your SOA serial number is 2015062300 That means that all your nameservers are using the same data.

SOA MNAME 3/3

SUCCESS SOA (Start of Authority) record states that your master (primary) name server is: nsa.xservers.ro That server is listed at the parent servers, which is correct.

Serial value 1/1

SUCCESS SOA serial number is: 2015062300 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.

Refresh value 1/1

SUCCESS SOA Retry interval is : 3600 seconds. This seems OK. (Values 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.

Retry value 1/1

SUCCESS SOA Retry interval is : 3600 seconds. This seems OK. (Values about 120-7200 seconds is good). The retry value is the amount of time your secondary/slave nameservers will wait to contact the master nameserver again if the last attempt failed.

Expire value 1/1

SUCCESS SOA Expire time is : 1209600 seconds. This seems OK. (Values 604800 to 2419200 seconds (1-4 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.

TTL value 1/1

SUCCESS SOA Expire time is : 1800 seconds. This seems OK. (about 300 to 86400 seconds or 5 min - 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.

Info

DNS trace

Trace to marianapalavu.ro
lookup marianapalavu.ro at A.ROOT-SERVERS.NET(198.41.0.4) 5 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to dns-at.rotld.ro(78.104.145.6)
lookup marianapalavu.ro at dns-at.rotld.ro(78.104.145.6) 94 ms
dns-at.rotld.ro(78.104.145.6) refer to nsc.xservers.ro(173.255.198.52)
lookup marianapalavu.ro at nsc.xservers.ro(173.255.198.52) 44 ms
got A record 'marianapalavu.ro IN A 91.200.123.92' from marianapalavu.ro(173.255.198.52)
Total time: 143 ms