DNSWHOIS.INFO - www.openctf.com
Search for IP or hostnames:
www.openctf.com checked at 2025-10-09T02:19:13.242Z 267ms 160/160/160 100% R:17www.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 IP numbers: 2a05:d018:c8b:6900:9efb:4720:b690:5228 and 52.18.145.92.
Other host names, such as openctf.com and ec2-52-18-145-92.eu-west-1.compute.amazonaws.com, share IP numbers with www.openctf.com.
www.openctf.com is delegated 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, for example 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.
Host names with two IP numbers
Each host name points to two IP numbers:
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
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 at least partially some mail servers with other domains, 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.
Host names with two IP numbers
Each host name points to two IP numbers:
aspmx2.googlemail.com points to 2607:f8b0:4023:100f::1b and 192.178.220.26
aspmx3.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
aspmx.l.google.com points to 2a00:1450:400c:c0b::1b and 173.194.76.27
alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27
alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1a and 142.250.147.27