`challengeladders.com`

DNSSEC	⚠️ Not signed
A	69.20.41.193^{🇺🇸 RACKSPACE-IAD69.20.0.0/17 Rackspace}
		PTR	`smtp.r2sports.com`
NS	`ns2.rackspace.com` ⭐
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
NS	`ns.rackspace.com`
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
SOA	`ns.rackspace.com`hostmaster@rackspace.com serial=1703406548

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774876632

Subdomains

mail.challengeladders.com

Same first word

challengeladders.com

DNS History

21 records (3 active, 18 former)

○NSns.challengeladders.com2015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-09 01:47:54
● 2015-07-03 11:55:24
○ 2015-11-10 12:39:58
○ 2026-03-30 13:33:46

●NSns.rackspace.com2015-11-10 → 2026-03-30 · 3 obs

○ 2015-07-03 11:55:24
● 2015-11-10 12:39:58
● 2026-03-30 13:33:46

○NSns1.mydomain.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○NSns1.r2sports.com2015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-09 01:47:54
● 2015-07-03 11:55:24
○ 2015-11-10 12:39:58
○ 2026-03-30 13:33:46

○NSns2.mydomain.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○NSns2.r2sports.com2015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-09 01:47:54
● 2015-07-03 11:55:24
○ 2015-11-10 12:39:58
○ 2026-03-30 13:33:46

●NSns2.rackspace.com2015-11-10 → 2026-03-30 · 3 obs

○ 2015-07-03 11:55:24
● 2015-11-10 12:39:58
● 2026-03-30 13:33:46

○NSns3.mydomain.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○NSns4.mydomain.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○MXm1.dnsix.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○MXmail.challengeladders.com2015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-09 01:47:54
● 2015-07-03 11:55:24
○ 2015-11-10 12:39:58
○ 2026-03-30 13:33:46

○A173.203.156.2312015-11-10 → 2017-12-25 · 5 obs

○ 2015-07-03 11:55:24
● 2015-11-10 12:39:58
● 2017-12-25 05:35:52
○ 2026-02-17 07:26:38
○ 2026-03-30 13:33:46

○A216.227.209.302015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-09 01:47:54
● 2015-07-03 11:55:24
○ 2015-11-10 12:39:58
○ 2026-03-30 13:33:46

○A66.150.161.1332008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○A66.150.161.1362008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○A66.150.161.1412008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

●A69.20.41.1932026-02-17 → 2026-03-30 · 3 obs

○ 2017-12-25 05:35:52
● 2026-02-17 07:26:38
● 2026-03-30 13:33:46

○A69.25.27.1702008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○A69.25.27.1712008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○A69.25.27.1722008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

○A69.25.27.1732008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 01:47:54
○ 2015-07-03 11:55:24
○ 2026-03-30 13:33:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
challengeladders.com	ns2.rackspace.com, ns.rackspace.com	2 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: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`69.20.41.193`
NS	2	`ns.rackspace.com, ns2.rackspace.com`
SOA	1	`ns.rackspace.com hostmaster.rackspace.co`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

challengeladders.com is the parent of mail.challengeladders.com.

IP Addresses

challengeladders.com resolves to a single IP: 69.20.41.193.

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

Name Servers

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

challengeladders.com shares the same name server setup as other domains, for example affordableoutlet.com, intouchcrm.com, 104.20.69.in-addr.arpa, 7.39.64.in-addr.arpa and 18.129.98.in-addr.arpa.

challengeladders.com shares some name servers with other domains, for example samapc.net, nsnunlimited.com, flowfu.net, only36.com and marniproductions.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

challengeladders.com - robtex.com