rackspace.com - robtex.com
rackspace.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.227.192.229🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-227-192-229.compute-1.amazonaws.com | ||||||
| A | 52.1.14.221🇺🇸 Amazon52.0.0.0/15 EC2 IAD prefix | ||||||
| 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 | ||||||
| MX | rackspace-com.mail.protection.outlook.com ⭐ | ||||||
| A | 2a01:111:f403:c902::2🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-sj0pr03cu01602.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:c902::7🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-sj0pr02cu00107.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f905::4🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-dm2pr04cu00404.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f908::2🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-bn8pr05cu00102.inbound.protection.outlook.com | ||||||
| A | 52.101.11.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-sa9pr03cu00202.inbound.protection.outlook.com | ||||||
| A | 52.101.41.180🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-byapr04cu00204.inbound.protection.outlook.com | ||||||
| A | 52.101.41.183🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-byapr04cu00307.inbound.protection.outlook.com | ||||||
| A | 52.101.194.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-ch4pr04cu00104.inbound.protection.outlook.com | ||||||
| TXT | v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.pr... | ||||||
| TXT | anthropic-domain-verification-rnrfy1=fE0MMW8vO1OD2IpIwnxg9PQpy | ||||||
| TXT | google-site-verification=hjn98i9hop-Qu_6JSTrV7MGqNMuPkHqxQejxjBdK_AQ | ||||||
| TXT | docusign=f39f54dd-4993-4be2-8861-eeb5c9941875 | ||||||
| TXT | atlassian-domain-verification=jMtVkwHW7SnBUnyWkLXlgEOcJOy1tSD6QM1hcjebXdrl1MF... | ||||||
| TXT | 854ff9f7-193a-490d-a219-e559cd86c3ff | ||||||
| TXT | y/6lk4AhKuCVb+XZ3YJGfT1oBfIEKfl2AMuwfmcR5RWKHTC/QbiiFqaveJTsUlYmrAjXGQZyYKWZs... | ||||||
| TXT | apple-domain-verification=fSW4Mu2Rukg86QP4 | ||||||
| TXT | MS=ms45524193 | ||||||
| TXT | openai-domain-verification=dv-dfuARwBMBJPw1QgYwuMhlNGN | ||||||
| TXT | google-site-verification=gOBmNq8zRo0Mwju8NhdJUBMXfMHmux-XzMQ3obObp0c | ||||||
| TXT | montycloud=c3091adfd00e6377b9eac694aef5e616 | ||||||
| TXT | google-site-verification=z2aDwPH4Lq9j_7Fj0U4Puz3hHk8wcpIuxMXZUI80kJc | ||||||
| TXT | 16600baa-c8cf-4ce6-88c0-fc9fa3f6fd19 | ||||||
| TXT | sophos-domain-verification=33beaba7a58282a665eab1fd66d3b1e0b865f2828c02d09ff2... | ||||||
| SOA | ns.rackspace.comhostmaster@rackspace.com serial=1777482830 | ||||||
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.netnstld@verisign-grs.com serial=1778305241 | ||||||
rank #2016 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #984
Rackspace Technology
Rackspace Technology is a multicloud solutions provider specializing in cloud adoption, management, and optimization services. Founded in 1998 and headquartered in San Antonio, Texas, the company has over 25 years of experience in managed services. Rackspace is known for its "Fanatical Experience®" approach to customer support and employs 2,200+ certified technical experts with 10,000+ total certifications.
Key Services
- Cloud Solutions – Migration, managed operations (24/7/365), hybrid/public/private cloud management
- Application Services – Modernization, cloud-native development, Microsoft 365, SaaS lifecycle management
- Data & AI – Data analytics, AI/ML integration, database management, Foundry for AI (FAIR™)
- Security – Cyber recovery, cloud-native security, zero-trust architecture, threat detection
Technical Infrastructure
| Type | Details | |
|---|---|---|
| Nameservers | ns.rackspace.com (69.20.95.4), ns2.rackspace.com (65.61.188.4) | |
| Web Hosting | Amazon AWS (3.227.192.229, 52.1.14.221) | |
| Microsoft 365 (rackspace-com.mail.protection.outlook.com) | ||
| DNSSEC | Not signed |
The company maintains strategic partnerships with AWS, Microsoft, Google Cloud, and VMware. Rackspace.com ranks #675 globally on Tranco.
PTR for
Subdomains
sat1.rackspace.com |
web.rackspace.com |
londc01.rackspace.com |
partners.rackspace.com |
wizard.rackspace.com |
res.rackspace.com |
wc6.rackspace.com |
cloud.rackspace.com |
crownvic.rackspace.com |
ns2.rackspace.com |
cirrus.rackspace.com |
lbdns2.rackspace.com |
deepthought.rackspace.com |
mbox.rackspace.com |
radio.rackspace.com |
bugati.rackspace.com |
proton.rackspace.com |
crmmkt.rackspace.com |
lon.rackspace.com |
pub-mirrorgtm-iad3.rackspace.com |
smtpout.rackspace.com |
prowler.rackspace.com |
noteworthy.rackspace.com |
vc.rackspace.com |
straightup.rackspace.com |
dmills.rackspace.com |
secure-access.rackspace.com |
lbweb0.rackspace.com |
secure.rackspace.com |
nsmon.rackspace.com |
lon2.rackspace.com |
encore.rackspace.com |
reach.rackspace.com |
owa1.rackspace.com |
tinydns2.rackspace.com |
pub-mirrorgtm-hkg1.rackspace.com |
ins.rackspace.com |
mymail.rackspace.com |
pub-mirrorgtm-syd1.rackspace.com |
cloudsites.rackspace.com |
seconly.rackspace.com |
ns1.rackspace.com |
smtp.rackspace.com |
exchange.rackspace.com |
docs.rackspace.com |
monitor.rackspace.com |
solve.rackspace.com |
ldap.rackspace.com |
dboline-02.rackspace.com |
cp.rackspace.com |
manage.rackspace.com |
lbext1.rackspace.com |
kmsns2.rackspace.com |
my.rackspace.com |
cart.rackspace.com |
speedtest.rackspace.com |
deliverytruck.rackspace.com |
bastion1.rackspace.com |
intranet.rackspace.com |
jnull.rackspace.com |
uc.rackspace.com |
gt40.rackspace.com |
apps.rackspace.com |
pub-mirrorgtm-ord1.rackspace.com |
sat2.rackspace.com |
explore.rackspace.com |
camaro.rackspace.com |
newsvan.rackspace.com |
www-gtm-ord1.rackspace.com |
vdi.rackspace.com |
raq.rackspace.com |
hooptie.rackspace.com |
tracking.rackspace.com |
emm.rackspace.com |
pub-mirrorgtm-dfw1.rackspace.com |
dswoap1.rackspace.com |
mx2.rackspace.com |
edsel.rackspace.com |
cloudmonitoring.rackspace.com |
app.rackspace.com |
cachens2.rackspace.com |
mail.rackspace.com |
notifications.rackspace.com |
webmail.rackspace.com |
aus1.rackspace.com |
ds1.rackspace.com |
voyager.rackspace.com |
pub-mirrorgtm-lon3.rackspace.com |
esg02.rackspace.com |
go.rackspace.com |
iaddc01.rackspace.com |
www-gtm-iad2.rackspace.com |
ir.rackspace.com |
clouddrive.rackspace.com |
sierra.rackspace.com |
wip.rackspace.com |
broadcast.rackspace.com |
lebaron.rackspace.com |
survey.rackspace.com |
entapps.rackspace.com |
sip.rackspace.com |
durango.rackspace.com |
cs.rackspace.com |
intrepid.rackspace.com |
movingvan.rackspace.com |
lbdns1.rackspace.com |
bastion2.rackspace.com |
diablo.rackspace.com |
hkg1.rackspace.com |
exg1-dev.rackspace.com |
our.rackspace.com |
rackerassist.rackspace.com |
spot.rackspace.com |
dfwdc01.rackspace.com |
eclipse.rackspace.com |
email.rackspace.com |
rental.rackspace.com |
intra.rackspace.com |
astro.rackspace.com |
time2.rackspace.com |
lon1.rackspace.com |
lbweb1.rackspace.com |
dcops2.rackspace.com |
www.rackspace.com |
esg03-iad3.rackspace.com |
golfcart.rackspace.com |
lbext2.rackspace.com |
esg01.rackspace.com |
communicationpreferences.rackspace.com |
etrustserver.rackspace.com |
lbdns0.rackspace.com |
product.rackspace.com |
mycloud.rackspace.com |
graphs.rackspace.com |
owa.rackspace.com |
dboline-01.rackspace.com |
sat.rackspace.com |
tinydns1.rackspace.com |
ts1.rackspace.com |
sharepoint.rackspace.com |
cb2.rackspace.com |
rackspaceinfrastructureca.rackspace.com |
legacy.rackspace.com |
mv.rackspace.com |
www-gtm-lon3.rackspace.com |
outlook.rackspace.com |
mobile.rackspace.com |
go2.rackspace.com |
mirror.rackspace.com |
groopz.rackspace.com |
opencloudtraining.rackspace.com |
tickets.rackspace.com |
firebird.rackspace.com |
developer.rackspace.com |
emailhelp.rackspace.com |
rhn.rackspace.com |
alero.rackspace.com |
nsdb1.rackspace.com |
mg1.rackspace.com |
mybill.rackspace.com |
new-mx.rackspace.com |
time.rackspace.com |
lbweb2.rackspace.com |
intelligence.rackspace.com |
imap.rackspace.com |
support.rackspace.com |
status.rackspace.com |
blog.rackspace.com |
ts2.rackspace.com |
lon3.rackspace.com |
mx.rackspace.com |
myrs.rackspace.com |
dns.rackspace.com |
login.rackspace.com |
ns.rackspace.com |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSns.rackspace.com2015-09-04 → 2026-05-09 · 2 obs
● 2015-09-04 07:33:48
● 2026-05-09 06:00:24
● 2026-05-09 06:00:24
●NSns2.rackspace.com2015-09-04 → 2026-05-09 · 2 obs
● 2015-09-04 07:33:48
● 2026-05-09 06:00:24
● 2026-05-09 06:00:24
○MXcust41036-1.in.mailcontrol.com2015-09-04 → 2018-03-01 · 4 obs
● 2015-09-04 07:33:48
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-05-09 06:00:24
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-05-09 06:00:24
○MXcust41036-2.in.mailcontrol.com2015-09-04 → 2018-03-01 · 4 obs
● 2015-09-04 07:33:48
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-05-09 06:00:24
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-05-09 06:00:24
○MXcust65406-1-in.mailcontrol.com2018-05-30 → 2020-04-07 · 5 obs
○ 2018-04-01 13:41:36
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-05-09 06:00:24
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-05-09 06:00:24
○MXcust65406-1.in.mailcontrol.com2018-03-04 → 2018-04-01 · 5 obs
○ 2018-03-01 00:59:36
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-05-09 06:00:24
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-05-09 06:00:24
○MXcust65406-2-in.mailcontrol.com2018-05-30 → 2020-04-07 · 5 obs
○ 2018-04-01 13:41:36
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-05-09 06:00:24
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-05-09 06:00:24
○MXcust65406-2.in.mailcontrol.com2018-03-04 → 2018-04-01 · 5 obs
○ 2018-03-01 00:59:36
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-05-09 06:00:24
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-05-09 06:00:24
●MXrackspace-com.mail.protection.outlook.com2020-05-07 → 2026-05-09 · 3 obs
○ 2020-04-07 07:54:02
● 2020-05-07 12:42:28
● 2026-05-09 06:00:24
● 2020-05-07 12:42:28
● 2026-05-09 06:00:24
○A173.203.44.1222015-09-04 → 2019-10-26 · 4 obs
● 2015-09-04 07:33:48
● 2019-10-26 20:55:12
○ 2019-11-29 02:47:50
○ 2026-05-09 06:00:24
● 2019-10-26 20:55:12
○ 2019-11-29 02:47:50
○ 2026-05-09 06:00:24
○A2001:4801:1221:101:1c10:0:f5:1162015-09-04 → 2020-03-31 · 4 obs
● 2015-09-04 07:33:48
● 2020-03-31 02:39:00
○ 2020-04-07 07:54:02
○ 2026-05-09 06:00:24
● 2020-03-31 02:39:00
○ 2020-04-07 07:54:02
○ 2026-05-09 06:00:24
●A3.227.192.2292019-11-29 → 2026-05-09 · 3 obs
○ 2019-10-26 20:55:12
● 2019-11-29 02:47:50
● 2026-05-09 06:00:24
● 2019-11-29 02:47:50
● 2026-05-09 06:00:24
●A52.1.14.2212019-11-29 → 2026-05-09 · 3 obs
○ 2019-10-26 20:55:12
● 2019-11-29 02:47:50
● 2026-05-09 06:00:24
● 2019-11-29 02:47:50
● 2026-05-09 06:00:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| rackspace.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 rackspace.com (unsigned zone)
⏱️ Timing
Total: 449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.227.192.229, 52.1.14.221 |
| NS | 2 | ns2.rackspace.com, ns.rackspace.com |
| MX | 1 | rackspace-com.mail.protection.outlook.co |
| TXT | 15 | v=spf1 include:spf_a.rackspace.com inclu, sophos-domain-verification=33beaba7a5828... |
| SOA | 1 | ns.rackspace.com hostmaster.rackspace.co |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.rackspace.com, ns.rackspace.com)
Analysis
Hierarchy
rackspace.com is a parent of sat1.rackspace.com, web.rackspace.com, londc01.rackspace.com, partners.rackspace.com, wizard.rackspace.com and hundreds of other host names.
IP Addresses
rackspace.com points to two IPs: 3.227.192.229 and 52.1.14.221.
Other host names, for instance rackspace.com.hk, rackspace.co.th, rackspacehosting.com.my, tricoresolutions.com and ec2-3-227-192-229.compute-1.amazonaws.com share IP numbers with rackspace.com.
Name Servers
Two name servers ns2.rackspace.com and ns.rackspace.com are delegated to rackspace.com.
rackspace.com uses the same name server configuration as other domains, such as leanimpact.com, 88.57.50.in-addr.arpa, motnes.com, 136.106.184.in-addr.arpa and 89.20.209.in-addr.arpa.
rackspace.com at least partially shares name servers with other domains such as conroysflowerssantaana.com, ellenhol.com, ron-excepcional.pt, ctsdnj.org and cmdfootprint.co.uk.
These name servers are commonly used with dns1.stabletransit.com and dns2.stabletransit.com.
Host names with a single IP address:
ns2.rackspace.com points to 65.61.188.4
ns.rackspace.com points to 69.20.95.4
Mail Servers
rackspace.com is handled by a single mail server, rackspace-com.mail.protection.outlook.com.
The mail server setup for rackspace.com matches that of other domains, for instance racksace.com.
rackspace-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::2, 2a01:111:f403:c902::7, 2a01:111:f403:f905::4, 2a01:111:f403:f908::2, 52.101.11.10, 52.101.41.180, 52.101.41.183 and 52.101.194.4.