| Parent | pass | NS records at parent servers | Your NS records at the parent servers are: asia1.akam.net. [ 96.7.251.129 ] ns1-1.akam.net. [ 193.108.91.1 ] usw3.akam.net. [ 69.31.59.199 ] ns1-195.akam.net. [ 193.108.91.195 ] usw5.akam.net. [ 96.7.50.64 ] use4.akam.net. [ 69.31.29.57 ] asia9.akam.net. [ 124.40.52.132 ] aus2.akam.net. [ 165.254.2.220 ] [These were obtained from j.gtld-servers.net.] |
| pass | Glue at parent nameservers | Parent nameservers (I checked with j.gtld-servers.net.) know A record for your domain, Very good ! | |
| NS | info | NS records at your nameservers | Your NS records at your nameservers are: At 96.7.251.129 asia1.akam.net. [unknow] usw3.akam.net. [unknow] usw5.akam.net. [unknow] asia9.akam.net. [unknow] ns1-1.akam.net. [unknow] use4.akam.net. [unknow] ns1-195.akam.net. [unknow] aus2.akam.net. [unknow] At 193.108.91.1 usw3.akam.net. [unknow] aus2.akam.net. [unknow] use4.akam.net. [unknow] usw5.akam.net. [unknow] ns1-1.akam.net. [unknow] asia1.akam.net. [unknow] ns1-195.akam.net. [unknow] asia9.akam.net. [unknow] At 69.31.59.199 aus2.akam.net. [unknow] ns1-1.akam.net. [unknow] use4.akam.net. [unknow] usw5.akam.net. [unknow] ns1-195.akam.net. [unknow] usw3.akam.net. [unknow] asia1.akam.net. [unknow] asia9.akam.net. [unknow] 193.108.91.195 Does not respond At 96.7.50.64 ns1-195.akam.net. [unknow] usw5.akam.net. [unknow] ns1-1.akam.net. [unknow] usw3.akam.net. [unknow] asia9.akam.net. [unknow] use4.akam.net. [unknow] aus2.akam.net. [unknow] asia1.akam.net. [unknow] At 69.31.29.57 ns1-195.akam.net. [unknow] ns1-1.akam.net. [unknow] usw5.akam.net. [unknow] aus2.akam.net. [unknow] asia1.akam.net. [unknow] use4.akam.net. [unknow] asia9.akam.net. [unknow] usw3.akam.net. [unknow] At 124.40.52.132 ns1-195.akam.net. [unknow] asia1.akam.net. [unknow] use4.akam.net. [unknow] ns1-1.akam.net. [unknow] asia9.akam.net. [unknow] usw5.akam.net. [unknow] aus2.akam.net. [unknow] usw3.akam.net. [unknow] At 165.254.2.220 ns1-195.akam.net. [unknow] asia1.akam.net. [unknow] use4.akam.net. [unknow] aus2.akam.net. [unknow] usw5.akam.net. [unknow] ns1-1.akam.net. [unknow] usw3.akam.net. [unknow] asia9.akam.net. [unknow] |
| pass | Mismatched glue | OK. The DNS report did not detect any discrepancies between the glue provided by the parent servers and that provided by your authoritative DNS servers. | |
| fail | No NS A records at nameservers | Error: some servers does not provide A records for nameservers At asia1.akam.net. [96.7.251.129] No A record for asia1.akam.net. No A record for usw3.akam.net. No A record for usw5.akam.net. No A record for asia9.akam.net. No A record for ns1-1.akam.net. No A record for use4.akam.net. No A record for ns1-195.akam.net. No A record for aus2.akam.net. At ns1-1.akam.net. [193.108.91.1] No A record for usw3.akam.net. No A record for aus2.akam.net. No A record for use4.akam.net. No A record for usw5.akam.net. No A record for ns1-1.akam.net. No A record for asia1.akam.net. No A record for ns1-195.akam.net. No A record for asia9.akam.net. At usw3.akam.net. [69.31.59.199] No A record for aus2.akam.net. No A record for ns1-1.akam.net. No A record for use4.akam.net. No A record for usw5.akam.net. No A record for ns1-195.akam.net. No A record for usw3.akam.net. No A record for asia1.akam.net. No A record for asia9.akam.net. At usw5.akam.net. [96.7.50.64] No A record for ns1-195.akam.net. No A record for usw5.akam.net. No A record for ns1-1.akam.net. No A record for usw3.akam.net. No A record for asia9.akam.net. No A record for use4.akam.net. No A record for aus2.akam.net. No A record for asia1.akam.net. At use4.akam.net. [69.31.29.57] No A record for ns1-195.akam.net. No A record for ns1-1.akam.net. No A record for usw5.akam.net. No A record for aus2.akam.net. No A record for asia1.akam.net. No A record for use4.akam.net. No A record for asia9.akam.net. No A record for usw3.akam.net. At asia9.akam.net. [124.40.52.132] No A record for ns1-195.akam.net. No A record for asia1.akam.net. No A record for use4.akam.net. No A record for ns1-1.akam.net. No A record for asia9.akam.net. No A record for usw5.akam.net. No A record for aus2.akam.net. No A record for usw3.akam.net. At aus2.akam.net. [165.254.2.220] No A record for ns1-195.akam.net. No A record for asia1.akam.net. No A record for use4.akam.net. No A record for aus2.akam.net. No A record for usw5.akam.net. No A record for ns1-1.akam.net. No A record for usw3.akam.net. No A record for asia9.akam.net. | |
| fail | All nameservers report identical NS records | ERROR. The NS records at all your nameservers are different, check the info above for details. | |
| fail | All nameservers respond | ERROR: some nameservers does not respond ns1-195.akam.net. [193.108.91.195] does not respond | |
| pass | Nameserver name validity | OK. All of the NS records that your nameservers report seem valid (no IPs or partial domain names). | |
| pass | Number of nameservers | OK. You have 8 nameservers. You must have at least 2 nameservers (RFC2182 section 5 recommends at least 3 nameservers), and preferably no more than 7. | |
| pass | Lame nameservers | OK. All the nameservers listed at the parent servers answer authoritatively for your domain. | |
| pass | Missing (stealth) nameservers | OK. All 2 of your nameservers (as reported by your nameservers) are also listed at the parent servers. | |
| pass | Missing nameservers 2 | OK. All of the nameservers listed at the parent nameservers are also listed as NS records at your nameservers. | |
| pass | Nameservers on separate class C's | Your nameservers seems to be in different networks. | |
| pass | All NS IPs public | OK. All of your NS records appear to use public IPs. If there were any private IPs, they would not be reachable, causing DNS delays. | |
| SOA | info | SOA record | Your SOA record is: Primary nameserver: ns1-1.akam.net. Hostmaster E-mail address: hostmaster.reddit.com. Serial #: 2013061202 Refresh: 86400 Retry: 7200 Expire: 1209600 Default TTL:3600 |
| pass | NS agreement on SOA Serial # | OK. All your nameservers agree that your SOA serial number is 2013061202. That means that all your nameservers are using the same data. | |
| pass | SOA MNAME Check | OK. Your SOA (Start of Authority) record states that your master (primary) name server is: ns1-1.akam.net. That server is listed at the parent servers, which is correct. | |
| pass | SOA Serial Number | OK. Your SOA serial number is: 2013061202. 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. | |
| warn | SOA REFRESH value | Your SOA REFRESH interval is : 86400 seconds. This seems too long (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. | |
| pass | SOA RETRY value | Your SOA RETRY interval is : 7200 seconds. This seems normal (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. | |
| pass | SOA EXPIRE value | Your SOA EXPIRE time is : 1209600 seconds. This seems normal (about 1209600 to 2419200 seconds (2-4 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. | |
| pass | SOA MINIMUM TTL value | Your SOA MINIMUM TTL is : 3600 seconds. This seems normal (about 3,600 to 86400 seconds or 1-24 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. | |