corechallenges.com - robtex.com

corechallenges.com

DNSSEC⚠️ Not signed
A207.148.248.143🇺🇸 EIG-29873207.148.248.0/24
NSns.buydomains.com ⚠️ Not in zone NS records
A52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-26-87.compute-1.amazonaws.com
NSthis-domain-for-sale.com ⚠️ Not in zone NS records
A52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-26-87.compute-1.amazonaws.com

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774526022

Same first word

corechallenges.com
corechallenges.org

Similar names

cherancolleges.org

DNS History

9 records (3 active, 6 former)

20162017201820192020202120222023202420252026NSns.buydomains.comthis-domain-for-sale.comns67.domaincontrol.comns68.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA207.148.248.143141.8.225.12450.63.202.50
●NSns.buydomains.com2016-01-23 → 2026-03-26 · 3 obs
○ 2015-10-25 20:09:34
● 2016-01-23 17:29:48
● 2026-03-26 12:11:02
○NSns67.domaincontrol.com2015-06-12 → 2015-10-25 · 4 obs
● 2015-06-12 22:42:32
● 2015-10-25 20:09:34
○ 2016-01-23 17:29:48
○ 2026-03-26 12:11:02
○NSns68.domaincontrol.com2015-06-12 → 2015-10-25 · 4 obs
● 2015-06-12 22:42:32
● 2015-10-25 20:09:34
○ 2016-01-23 17:29:48
○ 2026-03-26 12:11:02
●NSthis-domain-for-sale.com2026-02-26 → 2026-03-26 · 3 obs
○ 2016-01-23 17:29:48
● 2026-02-26 10:46:34
● 2026-03-26 12:11:02
○MXmailstore1.secureserver.net2015-06-12 → 2015-10-25 · 4 obs
● 2015-06-12 22:42:32
● 2015-10-25 20:09:34
○ 2016-01-23 17:29:48
○ 2026-03-26 12:11:02
○MXsmtp.secureserver.net2015-06-12 → 2015-10-25 · 4 obs
● 2015-06-12 22:42:32
● 2015-10-25 20:09:34
○ 2016-01-23 17:29:48
○ 2026-03-26 12:11:02
○A141.8.225.1242016-01-23 → 2016-06-24 · 5 obs
○ 2015-10-25 20:09:34
● 2016-01-23 17:29:48
● 2016-06-24 22:19:32
○ 2017-02-08 01:41:42
○ 2026-03-26 12:11:02
●A207.148.248.1432017-02-08 → 2026-03-26 · 3 obs
○ 2016-06-24 22:19:32
● 2017-02-08 01:41:42
● 2026-03-26 12:11:02
○A50.63.202.502015-06-12 → 2015-10-25 · 4 obs
● 2015-06-12 22:42:32
● 2015-10-25 20:09:34
○ 2016-01-23 17:29:48
○ 2026-03-26 12:11:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
corechallenges.comns.buydomains.com, this-domain-for-sale.com2 records

✅ Authoritative Response

Server:52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corechallenges.com (unsigned zone)

⏱️ Timing

Total: 3626ms | Queries: -

📄 Records

TypeCountSample Data
A1207.148.248.143

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

corechallenges.com points to a single IP address: 207.148.248.143.

Other host names such as trueamber.com, naturalcoils.com, improvelinks.com, askstats.com and servicesintegrated.com share IP numbers with corechallenges.com.

Name Servers

corechallenges.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

corechallenges.com uses the same name server setup as other domains, including productdevelopers.com, jennyfitzgerald.com, cargosurveyor.com, guyculture.com and holydevotion.com.

corechallenges.com shares some name servers with other domains, for example reway.net.

Host names sharing a single IP: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.