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Domain DNS Lookup
Domain us.ibm.com DNS records ( whois )
A
IPv4 address TTL
CNAME
Cname Data TTL
TXT
Records TTL
_github-challenge-ibm.us.ibm.com=2ff2235935840
onetrust-domain-verification=e7e09cedfb9b4ff386f1274e4c214d55840
MS=ms64287799840
jamf-site-verification=CN4bHigc1ZnD6ZQX_2c6XQ840
adobe-idp-site-verification=2b9ae38c-3eba-47c3-b2c6-093c73840bad840
google-site-verification=tht3GZTrWRBfV6IZCQWpg8LawruwK7KpiyapyzpnUxY840
figma-domain-verification=597cc1c5948400251db174924d6c23d84574e6ca68208a59b7be5c0e17bcfdd4-1744818302840
_analyst_ng_validation=a818d449-8a3e-4c1c-825a-e7826684c6f1840
mongodb-site-verification=xJx41gon2fcOXepIkdD2pA3IYuQ3BahI840
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all840
atlassian-domain-verification=a32Aj0uoXQRh6QseDFFrlufYlkbeSdok7az3sY0DQNVXpW1Iqj8zlsuXFZgHMojH840
ZSiRpt+wrAAjWb5/K/Pn5zSh+YFz/7MSxA9E5WGt6AHkWcspt1GiMj6Y3Ymvz3WX2pqMcS3JuXaL6kUFf8Z3wA==840
google-site-verification=R-FioJJH93-c9TxbB9e81HhNn7HwHbegJIq5by2QVXM840
TtCF7EWFzRHHo8wSlEkfwLm++HBjWI7luL9duYm1Ss1FHPtrSx5QKmCh91SY/8TN6/k/gF5cwRWp+ftm30JF8A==840
docker-verification=c50a9cf5-5e15-4676-8e0e-417b905bac5e840
anthropic-domain-verification-zmrwh6=H4EpOGQjBlDHafk5sVb01AjTJ840
smartsheet-site-validation=Yhr-MJDBKgH0YuNEyVFX4BuS4A1qyvFc840
onetrust-domain-verification=c0559d9638b74b0b8ecbc3d1af59fe6b840
amazonses:0X2gwuvYsFfTQzTF7oq3vOhnzprALfncNVEvqUW09hU=840
mongodb-site-verification=qczi5DL93TnEqNI9GYe7ifX6U9u7QnGo840
google-site-verification=NzPmw5LMAivUiut_Eo6dOWdHOENZLkIAPFki1GmfPTU840
SOA
Primary NS Responsible Email TTL
dns1.p05.nsone.nethostmaster.nsone.net21600
NS
Canonnical Name TTL
dns4.p05.nsone.net 3600
dns3.p05.nsone.net 3600
dns1.p05.nsone.net 3600
dns2.p05.nsone.net 3600
MX
Address Perference TTL
mx0a-001b2d05.pphosted.com 5 152
mx0b-001b2d05.pphosted.com 5 152
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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