rtns.c21.com - robtex.com

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rtns.c21.com checked at 2026-01-11T11:33:17.697Z 2031ms 50/50/50 100% R:13 allDone:true timedOut:false cfaller:50d2fac8/28:3145eed3:16031:-

rtns.c21.com

MXmx1.rtns.c21.com
A66.161.21.11🇺🇸 AS7018
PTRmx3.zti9.com
MXmx2.rtns.c21.com
A66.161.21.13🇺🇸 AS7018
PTRmx1.zti9.com
A66.161.21.9🇺🇸 AS7018
PTRhost-9.zti9.com

c21.com

rank #85710 globally
rank #42928 in the tld

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AI analysis

rtns.c21.com is parent of mx2.rtns.c21.com and mx1.rtns.c21.com.

rtns.c21.com points to a single IP number: 66.161.21.9.

Other host names, for instance resp3.zt02.net, share IP numbers with rtns.c21.com.

rtns.c21.com is handled by two mail servers: mx1.rtns.c21.com and mx2.rtns.c21.com.

Host names with one IP number:

The host mx1.rtns.c21.com points to 66.161.21.11 and the host mx2.rtns.c21.com points to 66.161.21.13.