MXLIST.NET - courseboard.com
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courseboard.com checked at 2025-11-30T12:14:34.677Z 371ms 104/104/104 100% R:17 allDone:true timedOut:false courseboard.com
| NS | ns73.domaincontrol.com | ||||||
| A | 2603:5:21a4::2f 🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns73.domaincontrol.com | ||||||
| A | 97.74.106.47🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns73.domaincontrol.com | ||||||
| NS | ns74.domaincontrol.com | ||||||
| A | 2603:5:22a4::2f 🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns74.domaincontrol.com | ||||||
| A | 173.201.74.47🇺🇸 GODADDY-DNS-GLOBAL | ||||||
| PTR | ns74.domaincontrol.com | ||||||
| MX | aspmx2.googlemail.com | ||||||
| A | 2607:f8b0:4023:100f::1a 🇺🇸 Google | ||||||
| PTR | yudfwra-in-f26.1e100.net | ||||||
| A | 192.178.220.27🇺🇸 Google | ||||||
| PTR | yudfwra-in-f27.1e100.net | ||||||
| MX | aspmx3.googlemail.com | ||||||
| A | 2607:f8b0:4023:1015::1a 🇺🇸 Google | ||||||
| PTR | yudfwta-in-f26.1e100.net | ||||||
| A | 172.253.135.27🇺🇸 Google | ||||||
| PTR | yudfwta-in-f27.1e100.net | ||||||
| MX | aspmx.l.google.com | ||||||
| A | 2a00:1450:400c:c07::1b 🇧🇪 Google | ||||||
| PTR | wo-in-f27.1e100.net | ||||||
| PTR | wo-in-x1b.1e100.net | ||||||
| A | 64.233.184.26🇺🇸 Google | ||||||
| PTR | wa-in-f26.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com | ||||||
| A | 2a00:1450:400b:c02::1b 🇮🇪 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.26🇺🇸 Google | ||||||
| PTR | dj-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.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 | ||||||
com
Starts with same word
courseboard.ru |
courseboard.com |
Starts similarily
AI analysis
Two name servers ns73.domaincontrol.com and ns74.domaincontrol.com are delegated to courseboard.com.
courseboard.com uses the same name server configuration as other domains, such as mkeibf.com, bodyshoot.de, btcplus.org, bashusa.com and inflatablekayak.ca.
Host names with two IPs:
ns73.domaincontrol.com points to 2603:5:21a4::2f and 97.74.106.47.
ns74.domaincontrol.com points to 2603:5:22a4::2f and 173.201.74.47.
courseboard.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
courseboard.com shares mail servers with other domains at least in part, for instance maxm.fr, avit-systems.dk, paul4.com, oaklandtribune.com and ccbeu.com.br.
These mail servers are often used together with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Two IPs per host name:
aspmx2.googlemail.com points to: 2607:f8b0:4023:100f::1a and 192.178.220.27
aspmx3.googlemail.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27
aspmx.l.google.com points to: 2a00:1450:400c:c07::1b and 64.233.184.26
alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26
alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)