javmama.co DNS Report

Health Score: 83%

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Checked: 1 hour before


NS records at parent servers

[These were obtained from ns4.cctld.co.]

Glue at parent nameservers 0/7

WARNING The parent servers are not providing glue for all your nameservers. This means that they are supplying the NS records (host.example.com), but not supplying the A records. That may cause some extra milliseconds in DNS. This will usually occur if your DNS servers are not in the same TLD as your domain


Mismatched glue 7/7

Skip glue checking. Make sure the nameservers domain is good standing Check ns.cloudflare.com

Nameservers A records 0/7

Some servers does not provide A records for nameservers.
missing A record(s) for (george.ns.cloudflare.com,rihana.ns.cloudflare.com) at nameserver
missing A record(s) for (george.ns.cloudflare.com,rihana.ns.cloudflare.com) at nameserver

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 2/5

WARNING 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.

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 record

SOA record is:
Hostmaster email

Serial agreement 7/7

SUCCESS All your nameservers agree that your SOA serial number is 2036526683 That means that all your nameservers are using the same data.


SUCCESS SOA (Start of Authority) record states that your master (primary) name server is: george.ns.cloudflare.com That server is listed at the parent servers, which is correct.

Serial value 1/1

SUCCESS SOA serial number is: 2036526683 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 : 10000 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 : 2400 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 : 604800 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 : 3600 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.


DNS trace

Trace to javmama.co
lookup javmama.co at A.ROOT-SERVERS.NET( 10 ms
A.ROOT-SERVERS.NET( refer to ns1.cctld.co(
lookup javmama.co at ns1.cctld.co( 34 ms
ns1.cctld.co( refer to rihana.ns.cloudflare.com(unknow IP)
extra IP lookup for rihana.ns.cloudflare.com at root server A.ROOT-SERVERS.NET(
lookup rihana.ns.cloudflare.com at A.ROOT-SERVERS.NET( 16 ms
A.ROOT-SERVERS.NET( refer to a.gtld-servers.net(
lookup rihana.ns.cloudflare.com at a.gtld-servers.net( 8 ms
a.gtld-servers.net( refer to ns3.cloudflare.com(
lookup rihana.ns.cloudflare.com at ns3.cloudflare.com( 5 ms
got A record 'rihana.ns.cloudflare.com IN A' from rihana.ns.cloudflare.com(
lookup javmama.co at rihana.ns.cloudflare.com( 4 ms
got A record 'javmama.co IN A' from javmama.co(
Total time: 77 ms