CF1759217549546-tsm20250929235914

WWW.RTSAK.COM - headfirst.de

Search for IP or hostnames:

headfirst.de checked at 2025-09-30T07:32:29.505Z 432ms 113/113/113 100% R:18

headfirst.de

NSns1.headfirst.cloud
A2a06:fb00:1::1:7 🇧🇬 ClouDNS
PTRns1.headfirst.cloud
A185.136.96.7🇺🇸 ClouDNS
PTRns1.headfirst.cloud
NSns2.headfirst.cloud
A2a06:fb00:1::2:7 🇧🇬 ClouDNS
PTRns2.headfirst.cloud
A185.136.97.7 ClouDNS
PTRns2.headfirst.cloud
NSns3.headfirst.cloud
A2a06:fb00:1::3:7 🇧🇬 ClouDNS
PTRns3.headfirst.cloud
A185.136.98.7🇺🇸 ClouDNS
PTRns3.headfirst.cloud
NSns4.headfirst.cloud
A2a06:fb00:1::4:7 🇧🇬 ClouDNS
PTRns4.headfirst.cloud
A185.136.99.7 ClouDNS
PTRns4.headfirst.cloud
MXheadfirst-de.mail.protection.outlook.com
A2a01:111:f403:ca04::6 🇮🇪 Microsoft
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::b 🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca04::e 🇮🇪 Microsoft
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca04::f 🇮🇪 Microsoft
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A52.101.68.5🇮🇪 Microsoft
PTRmail-du2pr03cu00105.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
A168.119.19.244🇩🇪 Hetzner
PTRweb1.headfirst.cloud

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

Starts with same word

Starts similarily

AI analysis

headfirst.de points to a single IP: 168.119.19.244.

Other host names, for instance www.bada.de, web1.headfirst.cloud, koller-gmbh.net, bada.de and lunitrixx.com share IP numbers with headfirst.de.

headfirst.de's delegation is handled by four name servers: ns1.headfirst.cloud, ns2.headfirst.cloud, ns3.headfirst.cloud and ns4.headfirst.cloud.

headfirst.de partially shares name servers with other domains; examples include bada.de, lunitrixx.com, clever-cloud.net, beastycoding.com and alleereitstall.de.

Host names with two IPs:

ns1.headfirst.cloud points to 2a06:fb00:1::1:7 and 185.136.96.7

ns2.headfirst.cloud points to 2a06:fb00:1::2:7 and 185.136.97.7

ns3.headfirst.cloud points to 2a06:fb00:1::3:7 and 185.136.98.7

ns4.headfirst.cloud points to 2a06:fb00:1::4:7 and 185.136.99.7

headfirst.de is handled by a single mail server, headfirst-de.mail.protection.outlook.com.

Hostname headfirst-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::f, 52.101.68.5, 52.101.68.8, 52.101.68.25 and 52.101.73.22.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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PIiVGIo CF johedugfp 2025-09-30