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Domain DNS Lookup
Domain twitter.com DNS records ( whois )
A
IPv4 address TTL
172.66.0.227 229
CNAME
Cname Data TTL
TXT
Records TTL
google-site-verification=h6dJIv0HXjLOkGAotLAWEzvoi9SxqP4vjpx98vrCvvQ292
traction-guest=6882b04e-4188-4ff9-8bb4-bff5a3d358e6292
stripe-verification=46F7B88485621DC18923B43D12E90E6CDBCE232F2FEBCF084E6EFA91F6BA707D292
slack-domain-verification=9oO8P4Glf4252QJDOg4rHGs6KlSkBuI5ZVmWRO8d292
linear-domain-verification=t5iq7e7nbw5w292
MS=BEE202D20C326867290BDEFA2DDDF4594B5D6860292
loom-site-verification=638c6bc173b9458997f64d305bf42499292
google-site-verification=600dQ0pZYsH2xOFt4hYmf5f5NpjCbWE_qk5Y04dErYM292
bj6sbt5xqs9hw9jrfvz7hplrg0l680sb292
google-site-verification=P9-NRZ0gaRKRGNDOXOjct5XETPtr3P9D-XA8HnlbAy4292
apple-domain-verification=zd1iHoEO9LILEQIq292
google-site-verification=TNhAkfLUeIbzzzSgPNxS5aEkKMf3aUcpPmCK1_kmIvU292
v=spf1 ip4:199.16.156.0/22 ip4:199.59.148.0/22 ip4:8.25.194.0/23 ip4:8.25.196.0/23 ip4:204.92.114.203 ip4:204.92.114.204/31 include:_spf.google.com include:_thirdparty.twitter.com -all292
adobe-idp-site-verification=a2ff8fc40c434d1d6f02f68b0b1a683e400572ab8c1f2c180c71c3d985b9270a292
canva-site-verification=lMnZ3wMh7c1uqZqa-cxZTg292
wrike-verification=MjU4MTA5MjoyN2UzNDc1MjU3MDZiZTY4NjBiNzliNDQ2OTUwNWY3NmM5NDgyMTBlYzFkNTcwYTE2YWNmZDdkNTY2ZmE4Yzlh292
google-site-verification=F2uUiLUsD6kQlpUVQzxUM3PHa0uPo5GBS84SCG8QwXI292
0a8c0fc6-bfa5-4ea7-b09b-87f2989022d6292
miro-verification=6e1ca9ad6d0c2cd2e4186141265f23ed618cfe37292
traction-guest=a4d0248d-fe01-4222-8fcc-33f68323e667292
atlassian-domain-verification=j6u0o1PTkobCXC84uEF/sWpIPtaZURBVYqKzmTvT8wugLcHT1vvrzzA63iP1qSLN292
google-site-verification=q1ghWjGLX9Ba-Gy_B4n_pAgC_mQYzWmQpOD8CMWl_Hw292
mixpanel-domain-verify=164dda91-31f4-41e8-a816-0f59b38fea30292
SOA
Primary NS Responsible Email TTL
a.u06.twtrdns.netnoc.twitter.com7200
NS
Canonnical Name TTL
b.r06.twtrdns.net 13999
a.u06.twtrdns.net 13999
b.u06.twtrdns.net 13999
d.u06.twtrdns.net 13999
c.u06.twtrdns.net 13999
d.r06.twtrdns.net 13999
c.r06.twtrdns.net 13999
a.r06.twtrdns.net 13999
MX
Address Perference TTL
alt1.aspmx.l.google.com 5 300
alt4.aspmx.l.google.com 10 300
aspmx.l.google.com 1 300
alt2.aspmx.l.google.com 5 300
alt3.aspmx.l.google.com 10 300
AAAA
IPv6 address TTL

What is a DNS lookup?

A DNS lookup typically refers to the process of converting easy to remember names called domain names (like www.google.com) into numbers called IP addresses (like 8.8.8.8).

Computers use these numbers to communicate with each other on the Internet, but these numbers would be difficult for humans to remember and can change from time to time when network configuration changes are required.

What DNS record types can be looked up?

A DNS lookup typically refers to the process of converting easy to remember names called domain names (like www.google.com) into numbers called IP addresses (like 8.8.8.8).

The DNS lookup tool lets you perform a DNS lookup for any domain name on the below record types.

A Record Lookup - Address or IPv4 DNS records, these store IP addresses for domain names.

AAAA Record Lookup - Address v6 or IPv6 DNS records, same as A records but store IPv6 IP addresses.

CAA Record Lookup - Certificate Authority Authorization DNS records are used to store which certificate authorities are allowed to issue certificates for the domain.

CNAME Record Lookup - Canonical Name or sometimes known as Alias records are used to point to other DNS records. Often used for subdomains like www.

MX Record Lookup - Mail Exchanger DNS records are used to store which email servers are responsible for handling email for the domain name.

NS Record Lookup - Nameserver DNS records store the authoritative nameserver for a domain name.

PTR Record Lookup - Pointer or reverse DNS records. This is the opposite of A or AAAA DNS records and is used to turn an IP address into a hostname.

SOA Record Lookup - Start of Authority DNS records store meta details about a domain name such as the administrator contact email address and when the domain last had changes made to its DNS configuration.

SRV Record Lookup - Service DNS records store protocol and port numbers for services offered by the domain name, for example VoIP or chat server.

TXT Record Lookup - Text records are used to store notes as DNS records, however they are typically used to store configuration settings for various services like SPF records which are used to define which email servers are allowed to send email from the domain or verification codes for some webmaster tools.

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