Check DNS records for any domain using multiple DNS servers. Verify configurations and troubleshoot issues in seconds.
The Domain Name System (DNS) is the internet's phonebook. It translates human-readable domain names (like example.com) into IP addresses (like 192.0.2.1) that computers use to identify each other.
Check if your DNS changes have propagated worldwide across different DNS servers.
Check DNS propagationCheck domain registration details, ownership information, and expiration dates.
Check WHOIS informationDiscover what technologies, frameworks, and tools are used by any website.
Detect technologies| IP Address | TTL |
|---|---|
| 163.22.228.141 | 21597s |
| Nameserver | TTL |
|---|---|
| dns35.nkut.edu.tw. | 21600s |
| dns4.nkut.edu.tw. | 21600s |
| dns2.nkut.edu.tw. | 21600s |
| Mail Server | Priority | TTL |
|---|---|---|
| webmail.nkut.edu.tw. | 4 | 21600 |
| ipmap.nkut.edu.tw. | 41 | 21600 |
| ser86.nkut.edu.tw. | 45 | 21600 |
| mailgate.nkut.edu.tw. | 0 | 21600 |
| ser51.nkut.edu.tw. | 51 | 21600 |
| ser44.nkut.edu.tw. | 44 | 21600 |
| e618.nkut.edu.tw. | 25 | 21600 |
| relay.edu.tw. | 90 | 21600 |
Public-CA-domain-verification=DB4FB372CA77144473AC2E7C04336433
TTL: 21600s
Public-CA-domain-verification=A9F26B9E85AD0DD3AA1E9D1DA4D89279
TTL: 21600s
v=spf1 a mx include:_spf.google.com ip4:163.22.228.141
TTL: 21600s
Public-CA-domain-verification=A1992B223B58A6E9792D6BF4A9F13CA3
TTL: 21600s
MS=2F382F0F47E774E956871F06A38F48F8210FB767
TTL: 21600s
Public-CA-domain-verification=3CC26ACE1F0EA4082C6B81212B8F7D83
TTL: 21600s
Primary NS: dns2.nkut.edu.tw.
Responsible: root.nkut.edu.tw.
TTL: 21600s
