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Konum Halkalı merkez mahallesi fatih cd ozgur apt no 46 , Küçükçekmece , İstanbul , 34303 , TR
Network Utility

Check domain DNS records

Review A, MX, NS and TXT records of a domain from one organized screen.

A IPv4
MX E-posta
NS Name Server
TXT SPF · DKIM · DMARC

DNS records are being retrieved This usually takes a few seconds.
DNS records

Queried domain
Total records 0
Record types 0

A Records

IPv4 addresses used by the domain.

0
Hostname Type IP Address TTL
No records of this type were returned.

MX Records

Mail servers receiving email for the domain.

0
Hostname Type Priority Target TTL
No records of this type were returned.

NS Records

Authoritative name servers for the domain.

0
Hostname Type Target TTL
No records of this type were returned.

TXT Records

Verification, SPF, DKIM and other text values.

0
Hostname Type Value TTL
No records of this type were returned.

What do DNS records do?

Each record type controls a different part of domain resolution, email delivery and verification.

A

A Records

IPv4 addresses used by the domain.

MX

MX Records

Mail servers receiving email for the domain.

NS

NS Records

Authoritative name servers for the domain.

TXT

TXT Records

Verification, SPF, DKIM and other text values.

Why correct DNS configuration matters

DNS directly affects website access, email delivery, security validation and service continuity.

Website availability

A and CNAME records direct visitors to the correct web infrastructure.

Email delivery

MX, SPF, DKIM and DMARC records help messages reach the correct mail system.

Domain security

TXT records are used for ownership verification and email authentication policies.

Resolution performance

Stable authoritative name servers reduce resolution failures and connection delays.

Common DNS problems

Propagation delay

After a DNS change, cached records may continue to be used until their TTL expires.

Incorrect A record

An incorrect IPv4 address can direct visitors to the wrong server or make the site unreachable.

Incorrect name servers

If registrar and DNS provider name servers do not match, records may not resolve.

Email authentication issue

Missing or conflicting SPF, DKIM and DMARC records can cause delivery problems.

DNS results may be cached

Results reflect the records returned during the query. Recursive resolvers may temporarily return older values depending on TTL and propagation status.

Frequently asked questions

What is DNS?

DNS converts human-readable domain names into IP addresses and other service records used by internet applications.

How long does DNS propagation take?

Propagation depends on TTL, resolver cache and provider settings. Some changes appear within minutes, while others may take up to 24 or 48 hours.

What is TTL?

TTL indicates how long a DNS resolver may cache a record before requesting it again.

Why is my website working on one network but not another?

Different networks may use different cached DNS data. Local DNS cache, ISP resolvers and propagation timing can cause temporary differences.

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