igod.tk DNS Report

Health Score: 93%

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Checked: 2 months before

Parent

NS records at parent servers

ns03.freenom.com
ns04.freenom.com
ns01.freenom.com
ns02.freenom.com
[These were obtained from a.ns.tk.]

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

NS

Mismatched glue 7/7

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

Nameservers A records 7/7

SUCCESS Nameservers do include corresponding A records when asked for your NS records. This ensures that your DNS servers know the A records corresponding to all your NS records.

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
soa.freenom.com
Serial
1478535269
Refresh
10800
Retry
3600
Expire
604800
TTL
300

Serial agreement 7/7

SUCCESS All your nameservers agree that your SOA serial number is 1478535269 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: ns01.freenom.com That server is listed at the parent servers, which is correct.

Serial value 1/1

SUCCESS SOA serial number is: 1478535269 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 : 10800 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 : 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 : 300 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 igod.tk
lookup igod.tk at A.ROOT-SERVERS.NET(198.41.0.4) 9 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to a.ns.tk(194.0.38.1)
lookup igod.tk at a.ns.tk(194.0.38.1) 20 ms
a.ns.tk(194.0.38.1) refer to ns01.freenom.com(unknow IP)
extra IP lookup for ns01.freenom.com at root server A.ROOT-SERVERS.NET(198.41.0.4)
lookup ns01.freenom.com at A.ROOT-SERVERS.NET(198.41.0.4) 9 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to e.gtld-servers.net(192.12.94.30)
lookup ns01.freenom.com at e.gtld-servers.net(192.12.94.30) 8 ms
e.gtld-servers.net(192.12.94.30) refer to ns01.freenom.com(54.171.131.39)
lookup ns01.freenom.com at ns01.freenom.com(54.171.131.39) 88 ms
got A record 'ns01.freenom.com IN A 54.171.131.39' from ns01.freenom.com(54.171.131.39)
lookup igod.tk at ns01.freenom.com(54.171.131.39) 89 ms
got A record 'igod.tk IN A 31.22.4.136' from igod.tk(54.171.131.39)
Total time: 223 ms