`rackspacetraining.com`

DNSSEC	⚠️ Not signed
A	23.253.88.31^{🇺🇸 RACKSPACE-DFW23.253.64.0/18 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
NS	`ns2.rackspace.com` ⭐ ⚠️ Not in zone NS records
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
NS	`dns1.stabletransit.com` ⚠️ Not in parent delegation
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
NS	`dns2.stabletransit.com` ⚠️ Not in parent delegation
		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` ⚠️ Not in zone NS records
		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`training@rackspace.com serial=1528850596

`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=1785134702

Same first word

rackspacetraining.com

DNS History

6 records (5 active, 1 former)

●NSdns1.stabletransit.com2015-08-16 → 2026-07-27 · 2 obs

● 2015-08-16 23:12:42
● 2026-07-27 06:56:46

●NSdns2.stabletransit.com2015-08-16 → 2026-07-27 · 2 obs

● 2015-08-16 23:12:42
● 2026-07-27 06:56:46

●NSns.rackspace.com2015-08-16 → 2026-07-27 · 2 obs

● 2015-08-16 23:12:42
● 2026-07-27 06:56:46

●NSns2.rackspace.com2026-05-05 → 2026-07-27 · 3 obs

○ 2015-08-16 23:12:42
● 2026-05-05 16:48:00
● 2026-07-27 06:56:46

○A174.143.185.1272015-08-16 → 2016-06-25 · 4 obs

● 2015-08-16 23:12:42
● 2016-06-25 14:02:30
○ 2017-02-13 20:36:10
○ 2026-07-27 06:56:46

●A23.253.88.312017-02-13 → 2026-07-27 · 3 obs

○ 2016-06-25 14:02:30
● 2017-02-13 20:36:10
● 2026-07-27 06:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rackspacetraining.com	ns2.rackspace.com, ns.rackspace.com	2 records

✅ Authoritative Response

Server:65.61.188.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rackspacetraining.com (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.253.88.31`
NS	2	`dns2.stabletransit.com, dns1.stabletransit.com`
SOA	1	`ns.rackspace.com training.rackspace.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

rackspacetraining.com points to a single IP number: 23.253.88.31.

Name Servers

rackspacetraining.com has four authoritative name servers: ns2.rackspace.com, ns.rackspace.com, dns1.stabletransit.com and dns2.stabletransit.com.

rackspacetraining.com has at least partial name server overlap with other domains, such as inkspellbooks.com, integrateny.com, mwfbapps.com and two others.

It is common to find these name servers paired with the name servers dns.stabletransit.com.

ns2.rackspace.com points to 65.61.188.4. ns.rackspace.com points to 69.20.95.4. dns1.stabletransit.com points to 69.20.95.4. dns2.stabletransit.com points to 65.61.188.4. Each host has exactly one IP address.

Both ns2.rackspace.com and dns2.stabletransit.com resolve to 65.61.188.4 IP addresses each.

Both ns.rackspace.com and dns1.stabletransit.com resolve to 69.20.95.4 IP addresses each.

rackspacetraining.com - robtex.com