WWW.RTSAK.COM - www.openctf.com
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www.openctf.com checked at 2025-09-30T04:48:42.688Z 1006ms 160/160/160 100% R:16www.openctf.com
| CNAME | openctf.com | ||||||
| MX | aspmx2.googlemail.com | ||||||
| A | 2a00:1450:4013:c1e::1b 🇳🇱 Google | ||||||
| PTR | yugrqzs-in-f27.1e100.net | ||||||
| A | 192.178.213.27🇺🇸 Google | ||||||
| PTR | yugrqzs-in-f27.1e100.net | ||||||
| MX | aspmx3.googlemail.com | ||||||
| A | 2a00:1450:4025:c01::1b 🇵🇱 Google | ||||||
| PTR | rd-in-f27.1e100.net | ||||||
| A | 142.250.147.27🇺🇸 Google | ||||||
| PTR | rd-in-f27.1e100.net | ||||||
| NS | ns1.he.net | ||||||
| A | 2001:470:100::2 🇺🇸 Hurricane Electric | ||||||
| PTR | ns1.he.net | ||||||
| A | 216.218.130.2🇺🇸 Hurricane Electric | ||||||
| PTR | ns1.he.net | ||||||
| NS | ns2.he.net | ||||||
| A | 2001:470:200::2 🇺🇸 Hurricane Electric | ||||||
| PTR | ns2.he.net | ||||||
| A | 216.218.131.2🇺🇸 Hurricane Electric | ||||||
| PTR | ns2.he.net | ||||||
| NS | ns3.he.net | ||||||
| A | 2001:470:300::2 🇺🇸 Hurricane Electric | ||||||
| PTR | ns3.he.net | ||||||
| A | 216.218.132.2🇺🇸 Hurricane Electric | ||||||
| PTR | ns3.he.net | ||||||
| NS | ns4.he.net | ||||||
| A | 2001:470:400::2 🇺🇸 Hurricane Electric | ||||||
| PTR | ns4.he.net | ||||||
| A | 216.66.1.2🇺🇸 Hurricane Electric | ||||||
| PTR | ns4.he.net | ||||||
| NS | ns5.he.net | ||||||
| A | 2001:470:500::2 🇺🇸 Hurricane Electric | ||||||
| PTR | ns5.he.net | ||||||
| A | 216.66.80.18🇺🇸 Hurricane Electric | ||||||
| PTR | ns5.he.net | ||||||
| MX | aspmx.l.google.com | ||||||
| A | 2607:f8b0:4004:c0b::1b 🇺🇸 Google | ||||||
| PTR | bj-in-f27.1e100.net | ||||||
| A | 172.253.63.26🇺🇸 Google | ||||||
| PTR | bi-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 | 2a00:1450:4025:c01::1a 🇵🇱 Google | ||||||
| PTR | rd-in-f26.1e100.net | ||||||
| A | 142.250.147.27🇺🇸 Google | ||||||
| PTR | rd-in-f27.1e100.net | ||||||
| A | 2a05:d018:c8b:6900:9efb:4720:b690:5228 🇮🇪 Amazon | ||||||
| A | 52.18.145.92🇮🇪 Amazon | ||||||
| PTR | ec2-52-18-145-92.eu-west-1.compute.amazonaws.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 resolves 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 instance atiheitz.com, airsoftextreme.com, skr.im, designabear.com and mansky.ca.
These name servers are commonly used alongside 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:
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 some mail servers with other domains, at least partially, for instance top5-webdecitas.es, acorncapitalsolutions.com, credito.co.uk, masamable.com and martinellifilms.com.
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 names with two IP numbers:
aspmx2.googlemail.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27
aspmx3.googlemail.com points to 2a00:1450:4025:c01::1b and 142.250.147.27
aspmx.l.google.com points to 2607:f8b0:4004:c0b::1b and 172.253.63.26
alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1a and 142.250.147.27
Names pointing to 142.250.147.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com