4uagency.biz DNS Report

Health Score: 71%

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Checked: 9 months before

Parent

NS records at parent servers

ns914.websitewelcome.com
ns913.websitewelcome.com
[These were obtained from k.gtld.biz.]

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 websitewelcome.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 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 0/7

DANGER There are nameservers not listed at the parent servers:
ns2.4uagency.biz.
ns1.4uagency.biz.

Root missing nameservers 0/7

DANGER There are nameservers not listed at your nameservers:
ns914.websitewelcome.com.
ns913.websitewelcome.com.

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
root.axela.websitewelcome.com
Serial
2018010523
Refresh
86400
Retry
7200
Expire
3600000
TTL
86400

Serial agreement 7/7

SUCCESS All your nameservers agree that your SOA serial number is 2018010523 That means that all your nameservers are using the same data.

SOA MNAME 0/3

DANGER SOA (Start of Authority) record states that your master (primary) name server is: ns1.4uagency.biz, but that server is not listed at the parent servers.

Serial value 1/1

SUCCESS SOA serial number is: 2018010523 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 0/1

WARNING SOA Retry interval is : 86400 seconds. This seems too big;. (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 : 7200 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 0/1

WARNING SOA Expire time is : 3600000 seconds. This seems too big;. (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 : 86400 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 4uagency.biz
lookup 4uagency.biz at A.ROOT-SERVERS.NET(198.41.0.4) 7 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to a.gtld.biz(156.154.124.65)
lookup 4uagency.biz at a.gtld.biz(156.154.124.65) 3 ms
a.gtld.biz(156.154.124.65) refer to ns913.websitewelcome.com(unknow IP)
extra IP lookup for ns913.websitewelcome.com at root server A.ROOT-SERVERS.NET(198.41.0.4)
lookup ns913.websitewelcome.com at A.ROOT-SERVERS.NET(198.41.0.4) 5 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to a.gtld-servers.net(192.5.6.30)
lookup ns913.websitewelcome.com at a.gtld-servers.net(192.5.6.30) 3 ms
a.gtld-servers.net(192.5.6.30) refer to ns1.p13.dynect.net(208.78.70.13)
lookup ns913.websitewelcome.com at ns1.p13.dynect.net(208.78.70.13) 4 ms
got A record 'ns913.websitewelcome.com IN A 192.185.105.40' from ns913.websitewelcome.com(208.78.70.13)
lookup 4uagency.biz at ns913.websitewelcome.com(192.185.105.40) 55 ms
got A record '4uagency.biz IN A 192.185.105.51' from 4uagency.biz(192.185.105.40)
Total time: 77 ms