WWW.RTSAK.COM - courses.biz
Search for IP or hostnames:
courses.biz checked at 2025-10-22T18:42:14.868Z 160ms 98/98/98 100% R:15courses.biz
| NS | ns11.domaincontrol.com | ||||||
| A | 2603:5:2190::6 🇺🇸 GODADDY-DNS | ||||||
| PTR | ns11.domaincontrol.com | ||||||
| A | 97.74.105.6🇺🇸 GODADDY-DNS | ||||||
| PTR | ns11.domaincontrol.com | ||||||
| NS | ns12.domaincontrol.com | ||||||
| A | 2603:5:2290::6 🇺🇸 GODADDY-DNS | ||||||
| PTR | ns12.domaincontrol.com | ||||||
| A | 173.201.73.6🇺🇸 GODADDY-DNS | ||||||
| PTR | ns12.domaincontrol.com | ||||||
| MX | mailstore1.secureserver.net | ||||||
| A | 216.69.141.78🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp01-v02.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.114🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp03-v02.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.162🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp02-v02.prod.phx3.secureserver.net | ||||||
| MX | smtp.secureserver.net | ||||||
| A | 216.69.141.71🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp01-v01.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.84🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp02-v01.prod.phx3.secureserver.net | ||||||
| A | 216.69.141.113🇺🇸 AS398101 | ||||||
| PTR | osplibsmtp03-v01.prod.phx3.secureserver.net | ||||||
| A | 3.33.251.168🇺🇸 Amazon | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
biz
| NS | a.gtld.biz | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
Starts with same word
Starts similarily
AI analysis
The entity courses.biz points to two IP numbers: 3.33.251.168 and 15.197.225.128.
For instance, other host names shoppearljam.net, restorenow.net, sellingyonkers.com, gpsscientificlabs.com and bikewow.com share IP numbers with courses.biz.
courses.biz is delegated to two name servers: ns11.domaincontrol.com and ns12.domaincontrol.com.
courses.biz uses the same name server setup as other domains such as emailgates.com, elmar-stange.de, sielecsa.com, trueliferadio.com and ruben-mager.de.
Host names with two IP numbers:
ns11.domaincontrol.com points to 2603:5:2190::6 and 97.74.105.6; ns12.domaincontrol.com points to 2603:5:2290::6 and 173.201.73.6.
Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle courses.biz.
courses.biz shares the same mail server setup as other domains, for instance financialpapi.com, x2sky.com, outilsabasprix.com, atocha-watch.mobi and llanealexis.com.
courses.biz shares some mail servers with other domains, including genb.org, woostersigns.com, pou.me and vanguardcleaning.net.
Host names with three IP numbers:
mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.
smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.