CF1763587117602-tsm20251116095642

WWW.RTSAK.COM - challenge.k12.de.us

Search for IP or hostnames:

challenge.k12.de.us checked at 2025-11-19T21:18:37.585Z 151ms 56/56/56 100% R:14 allDone:true timedOut:false

challenge.k12.de.us

NSns01.delaware.gov
A167.21.64.10🇺🇸 STATEOFDE
PTRns01.delaware.gov
NSns02.delaware.gov
A167.21.96.10🇺🇸 STATEOFDE
PTRns02.delaware.gov
MXmail.k12.de.us
A167.21.8.25🇺🇸 STATEOFDE
PTRdtidovk12ipi1.k12.de.us
A167.21.8.26🇺🇸 STATEOFDE
PTRdtidovk12ipi2.k12.de.us

k12.de.us

NSns01.delaware.gov
NSns02.delaware.gov
MXk12-de-us.mail.protection.outlook.com
A167.21.84.42🇺🇸 STATEOFDE

Starts with same word

Starts similarily

AI analysis

challenge.k12.de.us is delegated to two name servers: ns01.delaware.gov and ns02.delaware.gov.

challenge.k12.de.us uses the same name server setup as other domains, for instance polytech.k12.de.us, doe.k12.de.us, delawareinsurance.gov, treasury.delaware.gov and dartfirststate.net.

Host names with one IP number:

ns01.delaware.gov points to: 167.21.64.10.

ns02.delaware.gov points to: 167.21.96.10.

The mail server for challenge.k12.de.us is mail.k12.de.us.

challenge.k12.de.us shares the mail server setup with other domains, such as wdbrdge.k12.de.us, wses.seaford.k12.de.us, pldes.laurel.k12.de.us and lakeforest.k12.de.us.

Host name mail.k12.de.us resolves to two IPs: 167.21.8.25 and 167.21.8.26.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq