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
| MX | mx1.rtns.c21.com | ||||||
| A | 66.161.21.11🇺🇸 AS7018 | ||||||
| PTR | mx3.zti9.com | ||||||
| MX | mx2.rtns.c21.com | ||||||
| A | 66.161.21.13🇺🇸 AS7018 | ||||||
| PTR | mx1.zti9.com | ||||||
| A | 66.161.21.9🇺🇸 AS7018 | ||||||
| PTR | host-9.zti9.com | ||||||
c21.com
| NS | ns-236.awsdns-29.com | ||||||
| NS | ns-788.awsdns-34.net | ||||||
| NS | ns-1182.awsdns-19.org | ||||||
| NS | ns-1619.awsdns-10.co.uk | ||||||
| MX | c21-com.mail.protection.outlook.com | ||||||
| A | 3.134.9.3🇺🇸 Amazon | ||||||
| A | 3.151.131.2🇺🇸 Amazon | ||||||
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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.