MXLIST.NET - www.openctf.com
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www.openctf.com checked at 2025-10-22T06:24:58.246Z 316ms 160/160/160 100% R:18www.openctf.com
openctf.com
| MX | aspmx2.googlemail.com | ||||||
| MX | aspmx3.googlemail.com | ||||||
| NS | ns1.he.net | ||||||
| NS | ns2.he.net | ||||||
| NS | ns3.he.net | ||||||
| NS | ns4.he.net | ||||||
| NS | ns5.he.net | ||||||
| MX | aspmx.l.google.com | ||||||
| MX | alt1.aspmx.l.google.com | ||||||
| MX | alt2.aspmx.l.google.com | ||||||
| A | 2a05:d018:c8b:6900:9efb:4720:b690:5228 🇮🇪 Amazon | ||||||
| A | 52.18.145.92🇮🇪 Amazon | ||||||
Starts with same word
Starts similarily
AI analysis
www.openctf.com points to two IPs: 2a05:d018:c8b:6900:9efb:4720:b690:5228 and 52.18.145.92.
Other host names for instance openctf.com and ec2-52-18-145-92.eu-west-1.compute.amazonaws.com share IP numbers with www.openctf.com.
www.openctf.com delegates to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.
www.openctf.com at least partially shares name servers with other domains such as atiheitz.com, airsoftextreme.com, skr.im, designabear.com and mansky.ca.
these name servers are commonly used with ns1.skr.im, ns2.skr.im, ns3.skr.im, ns1.vramke.org, ns1.not-for.work and skrns2.f1045.eu.org.
Two IPs per host name:
ns1.he.net points to: 2001:470:100::2 and 216.218.130.2
ns2.he.net points to: 2001:470:200::2 and 216.218.131.2
ns3.he.net points to: 2001:470:300::2 and 216.218.132.2
ns4.he.net points to: 2001:470:400::2 and 216.66.1.2
ns5.he.net points to: 2001:470:500::2 and 216.66.80.18
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)
www.openctf.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.
www.openctf.com shares mail servers with other domains at least in part, for instance top5-webdecitas.es, acorncapitalsolutions.com, credito.co.uk, masamable.com and martinellifilms.com.
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: 2a00:1450:4013:c1e::1b and 192.178.213.27
aspmx3.googlemail.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26
aspmx.l.google.com points to: 2607:f8b0:4023:c06::1b and 142.250.141.27
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 173.194.76.26
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)