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Codesink.org DNS Tests

  
TLD ▼  |  Name Servers ▼  |  A Records ▼  |  Speed and Health ▼  |  AAAA Records ▼  |  MX Records ▼  |  SOA Record ▼
Top Level Domain

INFO
Using Root Server e.root-servers.net
PASS
Your TLD is recognized at the root servers.
INFO
Got redirected to a0.org.afilias-nst.info
INFO
Got redirected to ns-283.awsdns-35.com
PASS
You have 4 name servers. Anything more than 1 is good.

Name Servers

INFO
Name Server (NS) records at the TLD name server a0.org.afilias-nst.info:

ns-283.awsdns-35.com
ns-679.awsdns-20.net
ns-1415.awsdns-48.org
ns-1611.awsdns-09.co.uk
PASS
The TLD name server a0.org.afilias-nst.info sent A records (GLUE) for the name servers of codesink.org in the additional section of the response. This speeds up the computation by avoiding an additional DNS query for the A records of the name servers.
INFO
ns-283.awsdns-35.com has the following A Records:

205.251.193.27 (TTL: 172800 seconds), located at United States
INFO
ns-679.awsdns-20.net has the following A Records:

205.251.194.167 (TTL: 162367 seconds), located at United States
INFO
ns-1415.awsdns-48.org has the following A Records:

205.251.197.135, located at United States
INFO
ns-1611.awsdns-09.co.uk has the following A Records:

205.251.198.75 (TTL: 166356 seconds), located at United States
PASS
All of your name servers have A records.
PASS
All of your name servers are on seperate IP addresses.
INFO
The A records of your name servers indicate that your name servers are not geo distributed. It is recommended that your name servers be in different geographical locations to ensure the best availability.
PASS
Your name server ns-283.awsdns-35.com is responding to DNS queries.
PASS
Your name server ns-283.awsdns-35.com is responding with the same set of NS records as compared to the TLD server a0.org.afilias-nst.info.
WARNING
Name server ns-283.awsdns-35.com did not send A records (GLUE) along with the response for the NS records query for codesink.org.
PASS
Your name server ns-679.awsdns-20.net is responding to DNS queries.
PASS
Your name server ns-679.awsdns-20.net is responding with the same set of NS records as compared to the TLD server a0.org.afilias-nst.info.
WARNING
Name server ns-679.awsdns-20.net did not send A records (GLUE) along with the response for the NS records query for codesink.org.
PASS
Your name server ns-1415.awsdns-48.org is responding to DNS queries.
PASS
Your name server ns-1415.awsdns-48.org is responding with the same set of NS records as compared to the TLD server a0.org.afilias-nst.info.
WARNING
Name server ns-1415.awsdns-48.org did not send A records (GLUE) along with the response for the NS records query for codesink.org.
PASS
Your name server ns-1611.awsdns-09.co.uk is responding to DNS queries.
PASS
Your name server ns-1611.awsdns-09.co.uk is responding with the same set of NS records as compared to the TLD server a0.org.afilias-nst.info.
WARNING
Name server ns-1611.awsdns-09.co.uk did not send A records (GLUE) along with the response for the NS records query for codesink.org.
PASS
All of your name servers return the same NS records.
PASS
Your name server ns-283.awsdns-35.com is authoritative for the domain name codesink.org.
PASS
Your name server ns-679.awsdns-20.net is authoritative for the domain name codesink.org.
PASS
Your name server ns-1415.awsdns-48.org is authoritative for the domain name codesink.org.
PASS
Your name server ns-1611.awsdns-09.co.uk is authoritative for the domain name codesink.org.
PASS
The SOA serial is the same at all your name servers.
PASS
None of your name servers seem to allow recursive queries.

A Records

INFO
codesink.org has the following A Records:

52.216.136.227 (TTL: 5 seconds) is located at Wilmington, United States
INFO
The WWW record for codesink.org (www.codesink.org) is a CNAME Record. An A record is recommended. The CNAME for www.codesink.org points to www.codesink.org.s3-website-us-east-1.amazonaws.com. www.codesink.org.s3-website-us-east-1.amazonaws.com does not have an A Record! There could be multiple levels of indirection which have not been followed.

AAAA Records

INFO
There are no AAAA records for your domain name at ns-1611.awsdns-09.co.uk.

SOA Record

INFO
SOA Record:

Serial: 1
Refresh: 7200 seconds
Retry: 900 seconds
Expire: 1209600 seconds
Minimum TTL: 86400 seconds
Primary Name Server: ns-1611.awsdns-09.co.uk
Contact: awsdns-hostmaster.amazon.com
PASS
Your SOA Refresh value 7200 is OK. The recommended value is between 1200 and 86400.
PASS
Your SOA Retry value 900 is OK. The recommended value is between 120 and 7200.
PASS
Your SOA Expire value 1209600 is OK. The recommended value is between 604800 and 2419200.
PASS
Your SOA Minimum TTL value 86400 is OK. The recommended value is between 1800 and 86400.
PASS
The primary name server in the SOA record (ns-1611.awsdns-09.co.uk) is sent by the TLD name server a0.org.afilias-nst.info for queries on codesink.org.

MX Records

INFO
codesink.org has the following MX records:

aspmx.l.google.com
aspmx2.googlemail.com
aspmx3.googlemail.com
alt1.aspmx.l.google.com
alt2.aspmx.l.google.com
INFO
Your name servers did not send A Records (GLUE) for your mail servers for MX queries.
INFO
Mail Server aspmx.l.google.com has the following A Records:

74.125.20.27 (TTL: 221 seconds), located at Mountain View, United States.
INFO
Mail Server aspmx2.googlemail.com has the following A Records:

209.85.200.26 (TTL: 127 seconds), located at Mountain View, United States.
INFO
Mail Server aspmx3.googlemail.com has the following A Records:

173.194.209.27 (TTL: 125 seconds), located at Mountain View, United States.
INFO
Mail Server alt1.aspmx.l.google.com has the following A Records:

209.85.200.26 (TTL: 122 seconds), located at Mountain View, United States.
INFO
Mail Server alt2.aspmx.l.google.com has the following A Records:

173.194.209.26 (TTL: 244 seconds), located at Mountain View, United States.
PASS
All of your MX servers have A records.
WARNING
Some of your MX servers have duplicate IP addresses in the A records. This is not recommended. You should fix this.
PASS
You have 5 MX Records. Anything more than 1 is recommended.
WARNING
Your domain name does not appear to have an SPF record. This makes it vulnerable to email spoofing.

Name Server Speed and Health

PASS
After 9 lookups, the average response time of your name server ns-283.awsdns-35.com is 19.35 milliseconds:

Los Angeles:38.19 ms
Dallas:4.93 ms
New York:22.57 ms
Singapore:34.42 ms
London:10.55 ms
Amsterdam:10.55 ms
San Francisco:14.24 ms
INFO
Health: Across all queries that we sent to ns-283.awsdns-35.com, the success rate is 99.97% (uptime).
PASS
After 9 lookups, the average response time of your name server ns-679.awsdns-20.net is 21.37 milliseconds:

Los Angeles:35.8 ms
Dallas:29.16 ms
New York:7.2 ms
Singapore:35.61 ms
London:17.41 ms
Amsterdam:13.29 ms
San Francisco:11.15 ms
INFO
Health: Across all queries that we sent to ns-679.awsdns-20.net, the success rate is 99.97% (uptime).
PASS
After 8 lookups, the average response time of your name server ns-1415.awsdns-48.org is 16.65 milliseconds:

Los Angeles:37.87 ms
Dallas:2.26 ms
New York:1.11 ms
Singapore:0.85 ms
London:0.94 ms
Amsterdam:9.41 ms
San Francisco:64.13 ms
INFO
Health: Across all queries that we sent to ns-1415.awsdns-48.org, the success rate is 99.99% (uptime).
PASS
After 10 lookups, the average response time of your name server ns-1611.awsdns-09.co.uk is 10.09 milliseconds:

Los Angeles:9.66 ms
Dallas:21.21 ms
New York:22.56 ms
Singapore:1.29 ms
London:2.35 ms
Amsterdam:1.79 ms
San Francisco:11.79 ms
INFO
Health: Across all queries that we sent to ns-1611.awsdns-09.co.uk, the success rate is 99.98% (uptime).

DNS Rating

A-
Rating by SolveDNS
codesink.org DNS tests had 0 failed tests and 6 warnings.

83.78% out of 100



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