域名信息
caltech.edu
权威注册数据（RDAP，自动查询）
caltech.edu 无权威 RDAP 服务（如 .cn 等后缀注册局未接入 IANA RDAP）。可尝试以下途径：
去 ICANN Lookup（手动输入）
本系统 DNS 记录
本系统注册查询
未找到该后缀的 RDAP 注册局
DNS 记录
| 类型 | 记录值 |
|---|---|
| A | 52.26.125.194 |
| MX | mx1.caltech.iphmx.com (优先级: 10) |
| MX | mx2.caltech.iphmx.com (优先级: 10) |
| NS | ns0239.secondary.cloudflare.com |
| NS | ns0090.secondary.cloudflare.com |
| TXT | MS=ms43712753 |
| TXT | Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow== |
| TXT | ZOOM_verify_a-Gb5-aqQgygEiKsnho63w |
| TXT | adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6 |
| TXT | amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE= |
| TXT | amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg= |
| TXT | 1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4 |
| TXT | anthropic-domain-verification-rw8528=rFwrZAPawzCVNGD318e9zzavQ |
| TXT | apple-domain-verification=KD7b3wNXe76BHRAV |
| TXT | autodesk-domain-verification=TtWEzwdFn86i9o8NX_8R |
| TXT | iContact1389932 |
| TXT | jk01vgvoojdefne9jihhtis667 |
| TXT | openai-domain-verification=dv-fRmGl55vmrLnDqlIOcOoidYz |
| TXT | v=spf1 ip4:131.215.0.0/16 ip4:134.4.0.0/16 ip4:192.100.16.0/24 ip4:198.129.208.0/23 ip4:208.69.128.0/22 ip4:199.188.184.0/22 ip4:198.202.125.128/25 ip4:74.122.104.0/22 ip4:72.10.184.102 ip4:72.10.184.103 ip4:72.10.182.15 ip4:72.10.182.16 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:spf.dynect.net include:cust-spf.cashnet.com include:amazonses.com include:_spf.createsend.com include:_spf01.mykronos.com include:_s0.caltech.edu ?all |
| SOA | ns0090.secondary.cloudflare.com |