WWW.RTSAK.COM - course-h.com
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course-h.com checked at 2025-10-18T00:26:31.903Z 200ms 115/115/115 100% R:16course-h.com
| NS | ns75.domaincontrol.com | ||||||
| A | 2603:5:21b4::30 🇺🇸 GODADDY-DNS | ||||||
| PTR | ns75.domaincontrol.com | ||||||
| A | 97.74.107.48🇺🇸 GODADDY-DNS | ||||||
| PTR | ns75.domaincontrol.com | ||||||
| NS | ns76.domaincontrol.com | ||||||
| A | 2603:5:22b4::30 🇺🇸 GODADDY-DNS | ||||||
| PTR | ns76.domaincontrol.com | ||||||
| A | 173.201.75.48🇺🇸 GODADDY-DNS | ||||||
| PTR | ns76.domaincontrol.com | ||||||
| MX | aspmx2.googlemail.com | ||||||
| A | 2607:f8b0:4023:100f::1b 🇺🇸 Google | ||||||
| PTR | yudfwra-in-f27.1e100.net | ||||||
| A | 192.178.220.26🇺🇸 Google | ||||||
| PTR | yudfwra-in-f26.1e100.net | ||||||
| MX | aspmx3.googlemail.com | ||||||
| A | 2a00:1450:400c:c00::1a 🇧🇪 Google | ||||||
| PTR | ws-in-f26.1e100.net | ||||||
| PTR | ws-in-x1a.1e100.net | ||||||
| A | 173.194.76.27🇺🇸 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| MX | aspmx.l.google.com | ||||||
| A | 2607:f8b0:4004:c1f::1b 🇺🇸 Google | ||||||
| PTR | pd-in-f27.1e100.net | ||||||
| A | 142.251.16.26🇺🇸 Google | ||||||
| PTR | bl-in-f26.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com | ||||||
| A | 2a00:1450:400b:c02::1a 🇮🇪 Google | ||||||
| PTR | dj-in-f26.1e100.net | ||||||
| A | 172.253.116.27🇺🇸 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com | ||||||
| A | 2a00:1450:400c:c00::1b 🇧🇪 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| PTR | ws-in-x1b.1e100.net | ||||||
| A | 173.194.76.27🇺🇸 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| A | 199.34.228.59🇺🇸 Weebly | ||||||
| PTR | pages-custom-15.weebly.com | ||||||
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AI analysis
course-h.com points to a single IP: 199.34.228.59.
Other host names, for instance clinkwineedu.com, papajakedesignco.com, econ2u.com, polyurea-izolasyon.com and alhansonmotors.com share IP numbers with course-h.com.
Two name servers ns75.domaincontrol.com and ns76.domaincontrol.com handle delegation for course-h.com.
course-h.com uses the same name server setup as other domains, for example bodyborneman.com, statisticalhybrid.com, hardworker.co.uk, gerrywerner.com and cccommunications.info.
Host names with two IP numbers:
ns75.domaincontrol.com points to: 2603:5:21b4::30 and 97.74.107.48
ns76.domaincontrol.com points to: 2603:5:22b4::30 and 173.201.75.48
Five mail servers handle course-h.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
course-h.com shares some mail servers with other domains, at least partially, such as mitthjem.no, fiscardiff.co.uk, busup.com, centr-druk.com and browser.ae.
These mail servers are often used with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host aspmx2.googlemail.com points to 2607:f8b0:4023:100f::1b and 192.178.220.26.
Host aspmx3.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27.
Host aspmx.l.google.com points to 2607:f8b0:4004:c1f::1b and 142.251.16.26.
Host alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.
Host alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.
Names pointing to 173.194.76.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.