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Author Topic: What is Aging and Scavenging in DNS server?  (Read 21263 times)

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Offline Keeran

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What is Aging and Scavenging in DNS server?
« on: February 15, 2019, 05:45:33 PM »
Hey,
 My system goes down every now-then, so I use to clear my cache memory thinking it would help. It did help up to a certain limit but still, the problem isn’t fixed. So to find a solution I came across something called aging in DNS server. What does that mean?
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What is Aging and Scavenging in DNS server?
« on: February 15, 2019, 05:45:33 PM »

Offline Krishnan

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Re: What is Aging and Scavenging in DNS server?
« Reply #1 on: February 23, 2019, 11:59:37 AM »
Aging and Scavenging is a type of DNS service that supports a mechanism of performing clean-up and removal of stale resource records which gets accumulate in zone data over time.   
This might help you to recover your website speed.

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Offline Ritu

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Re: What is Aging and Scavenging in DNS server?
« Reply #2 on: March 06, 2019, 03:02:57 PM »
Aging and Scavenging in DNS server removes the old resource records that get stored over time.
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Offline sonam

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Re: What is Aging and Scavenging in DNS server?
« Reply #3 on: March 09, 2019, 06:27:04 PM »
Aging feature identifies the stale DNS records. Actually, it uses two intervals namely Non-refresh interval and Refresh interval. The DNS record is considered as a stale record when both these intervals are elapsed.
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Offline Keeran

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Re: What is Aging and Scavenging in DNS server?
« Reply #4 on: March 14, 2019, 12:19:11 PM »
Quote from: sonam on March 09, 2019, 06:27:04 PM
Aging feature identifies the stale DNS records. Actually, it uses two intervals namely Non-refresh interval and Refresh interval. The DNS record is considered as a stale record when both these intervals are elapsed.

That's a good piece of information. Can you explain these two types of intervals?
It would be very helpful.
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Offline sonam

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Re: What is Aging and Scavenging in DNS server?
« Reply #5 on: March 14, 2019, 12:34:41 PM »
Quote from: Keeran on March 14, 2019, 12:19:11 PM
Quote from: sonam on March 09, 2019, 06:27:04 PM
Aging feature identifies the stale DNS records. Actually, it uses two intervals namely Non-refresh interval and Refresh interval. The DNS record is considered as a stale record when both these intervals are elapsed.

That's a good piece of information. Can you explain these two types of intervals?
It would be very helpful.

Hey Keeran,
Good to see your interest.

Non-Refresh Interval - It is the time period during which the resource record cannot be refreshed. If you refuse to refresh during this period of time, then it reduces the replication traffic as there won't be any need to replicate the same information again.

Refresh Interval - It is the time period during which the resource record can be refreshed. 

Hope this answer helps you!
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