hlbalbums.pk DNS Report

Health Score: 83%

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Checked: 3 weeks before

Parent

NS records at parent servers

ns1.metaldns.com
ns2.metaldns.com
[These were obtained from root-c1.pknic.PK.]

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 metaldns.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:
ns1.steeldns.com.
ns1.ipchina163.com.

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
notification.kbreaders.com
Serial
2020030400
Refresh
3600
Retry
1800
Expire
1209600
TTL
86400

Serial agreement 7/7

SUCCESS All your nameservers agree that your SOA serial number is 2020030400 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: ns1.metaldns.com That server is listed at the parent servers, which is correct.

Serial value 1/1

SUCCESS SOA serial number is: 2020030400 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 : 3600 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 : 1800 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 : 1209600 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 : 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 hlbalbums.PK
lookup hlbalbums.PK at A.ROOT-SERVERS.NET(198.41.0.4) 43 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to root-c1.pknic.PK(185.159.197.160)
lookup hlbalbums.PK at root-c1.pknic.PK(185.159.197.160) 12 ms
root-c1.pknic.PK(185.159.197.160) refer to ns2.metaldns.com(unknow IP)
extra IP lookup for ns2.metaldns.com at root server A.ROOT-SERVERS.NET(198.41.0.4)
lookup ns2.metaldns.com at A.ROOT-SERVERS.NET(198.41.0.4) 45 ms
A.ROOT-SERVERS.NET(198.41.0.4) refer to a.gtld-servers.net(192.5.6.30)
lookup ns2.metaldns.com at a.gtld-servers.net(192.5.6.30) 43 ms
a.gtld-servers.net(192.5.6.30) refer to ns1.metaldns.com(111.90.144.251)
lookup ns2.metaldns.com at ns1.metaldns.com(111.90.144.251) 234 ms
got A record 'ns2.metaldns.com IN A 185.70.107.110' from ns2.metaldns.com(111.90.144.251)
lookup hlbalbums.PK at ns2.metaldns.com(185.70.107.110) 116 ms
got A record 'hlbalbums.PK IN A 111.90.142.123' from hlbalbums.PK(185.70.107.110)
Total time: 493 ms