ROBTEX.COM - d279640b.ess.barracudanetworks.com
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d279640b.ess.barracudanetworks.com checked at 2025-12-07T03:54:34.083Z 675ms 44/44/44 100% R:7 allDone:true timedOut:false d279640b.ess.barracudanetworks.com
| A | 209.222.82.252🇺🇸 Amazon | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253🇺🇸 Amazon | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255🇺🇸 Amazon | ||||||
| PTR | mail.ess.barracuda.com | ||||||
ess.barracudanetworks.com
| NS | ns-457.awsdns-57.com | ||||||
| NS | ns-599.awsdns-10.net | ||||||
| NS | ns-1380.awsdns-44.org | ||||||
| NS | ns-1883.awsdns-43.co.uk | ||||||
| A | 3.18.172.108🇺🇸 Amazon | ||||||
| A | 3.128.98.131🇺🇸 Amazon | ||||||
MX for
AI analysis
The mail server for oncourselearning.com is d279640b.ess.barracudanetworks.com.
For mail handling, d279640a.ess.barracudanetworks.com serves as a mail server together with d279640b.ess.barracudanetworks.com.
Three IP numbers are pointed to by d279640b.ess.barracudanetworks.com: 209.222.82.252, 209.222.82.253 and 209.222.82.255.
Other host names, for instance d284379b.ess.barracudanetworks.com, d318790a.ess.barracudanetworks.com, d314424a.ess.barracudanetworks.com, d282532b.ess.barracudanetworks.com and d40978b.ess.barracudanetworks.com share IP numbers with d279640b.ess.barracudanetworks.com.