mail.challengeladders.com - robtex.com

mail.challengeladders.com

CNAMEchallengeladders.com
DNSSEC⚠️ Not signed
A69.20.41.193🇺🇸 RACKSPACE-IAD69.20.0.0/17 Rackspace
PTRsmtp.r2sports.com
NSns2.rackspace.com ⭐
A65.61.188.4🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns2.rackspace.com
NSns.rackspace.com
A69.20.95.4🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns.rackspace.com
SOAns.rackspace.comhostmaster@rackspace.com serial=1703406548

challengeladders.com

DNSSEC⚠️ Not signed
A69.20.41.193🇺🇸 RACKSPACE-IAD69.20.0.0/17 Rackspace
NSns2.rackspace.com ⭐
NSns.rackspace.com
SOAns.rackspace.comhostmaster@rackspace.com serial=1703406548

Previously MX for

challengeladders.com

Same first word

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DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026NSns.rackspace.comns2.rackspace.comA173.203.156.231216.227.209.30CNAMEchallengeladders.com
○NSns.rackspace.com2015-11-06 → 2016-04-21 · 3 obs
● 2015-11-06 08:18:34
● 2016-04-21 16:42:44
○ 2026-04-12 01:54:34
○NSns2.rackspace.com2015-11-06 → 2016-04-21 · 3 obs
● 2015-11-06 08:18:34
● 2016-04-21 16:42:44
○ 2026-04-12 01:54:34
○A173.203.156.2312015-11-06 → 2016-04-21 · 4 obs
○ 2015-03-23 04:51:28
● 2015-11-06 08:18:34
● 2016-04-21 16:42:44
○ 2026-04-12 01:54:34
○A216.227.209.302015-03-23 → 2015-03-23 · 3 obs
● 2015-03-23 04:51:28
○ 2015-11-06 08:18:34
○ 2026-04-12 01:54:34
●CNAMEchallengeladders.com2015-11-06 → 2026-04-12 · 2 obs
● 2015-11-06 08:18:34
● 2026-04-12 01:54:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
challengeladders.comns2.rackspace.com, ns.rackspace.com2 records

✅ Authoritative Response

Server:69.20.95.4

NS records: ns2.rackspace.com, ns.rackspace.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challengeladders.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1challengeladders.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.rackspace.com, ns.rackspace.com)

Analysis

IP Addresses

mail.challengeladders.com resolves to a single IP: 69.20.41.193.

Other host names, for instance r2sports.com, dynamicsteps.com, challengeladders.com, usaracquetballevents.com and smtp.r2sports.com share IP numbers with mail.challengeladders.com.

Name Servers

mail.challengeladders.com has two name servers: ns2.rackspace.com and ns.rackspace.com.

mail.challengeladders.com shares the same name server setup as other domains, for example 116.99.172.in-addr.arpa, vcuathletics.com, 212.130.104.in-addr.arpa, 1.136.78.in-addr.arpa and blossomgarden.com.hk.

mail.challengeladders.com shares some name servers with other domains, for example usmle-rx.com, sedatu.gob.mx, usntravel.com, mdlivre.com.br and cdn141.raxcdn.com.

These name servers are commonly used together with dns1.stabletransit.com and dns2.stabletransit.com.

Host names with a single IP:

ns2.rackspace.com points to 65.61.188.4

ns.rackspace.com points to 69.20.95.4