rackspace.com - robtex.com
rackspace.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.227.192.229🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix | ||||||
| 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::🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-sj2pr05cu00300.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:c922::2🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-bl0pr02cu00702.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f802::🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-byapr05cu00400.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f902::1🇺🇸 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-bl2pr02cu00101.inbound.protection.outlook.com | ||||||
| A | 52.101.10.14🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-bn6pr04cu00206.inbound.protection.outlook.com | ||||||
| A | 52.101.40.1🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-cy4pr03cu00101.inbound.protection.outlook.com | ||||||
| A | 52.101.41.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-sj0pr03cu01406.inbound.protection.outlook.com | ||||||
| A | 52.101.41.21🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-sj2pr05cu00305.inbound.protection.outlook.com | ||||||
| TXT | apple-domain-verification=fSW4Mu2Rukg86QP4 | ||||||
| TXT | google-site-verification=z2aDwPH4Lq9j_7Fj0U4Puz3hHk8wcpIuxMXZUI80kJc | ||||||
| TXT | openai-domain-verification=dv-dfuARwBMBJPw1QgYwuMhlNGN | ||||||
| TXT | atlassian-domain-verification=jMtVkwHW7SnBUnyWkLXlgEOcJOy1tSD6QM1hcjebXdrl1MF... | ||||||
| TXT | pexip-ms-tenant-domain-verification=1fdd6c26-e097-4616-931c-95fb8881efcd | ||||||
| TXT | 854ff9f7-193a-490d-a219-e559cd86c3ff | ||||||
| TXT | MS=ms45524193 | ||||||
| TXT | docusign=50d8be89-ad11-4aee-8e11-3c75e74aafc8 | ||||||
| TXT | google-site-verification=hjn98i9hop-Qu_6JSTrV7MGqNMuPkHqxQejxjBdK_AQ | ||||||
| TXT | 16600baa-c8cf-4ce6-88c0-fc9fa3f6fd19 | ||||||
| TXT | docusign=f39f54dd-4993-4be2-8861-eeb5c9941875 | ||||||
| TXT | y/6lk4AhKuCVb+XZ3YJGfT1oBfIEKfl2AMuwfmcR5RWKHTC/QbiiFqaveJTsUlYmrAjXGQZyYKWZs... | ||||||
| TXT | montycloud=c3091adfd00e6377b9eac694aef5e616 | ||||||
| TXT | anthropic-domain-verification-rnrfy1=fE0MMW8vO1OD2IpIwnxg9PQpy | ||||||
| TXT | v=spf1 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.pr... | ||||||
| TXT | google-site-verification=gOBmNq8zRo0Mwju8NhdJUBMXfMHmux-XzMQ3obObp0c | ||||||
| TXT | sophos-domain-verification=33beaba7a58282a665eab1fd66d3b1e0b865f2828c02d09ff2... | ||||||
| SOA | ns.rackspace.comhostmaster@rackspace.com serial=1782924012 | ||||||
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=1784623457 | ||||||
rank #2006 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #970
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
Previously MX 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 |
account.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 |
corp.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 |
core.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 → 2026-07-21 · 2 obs
● 2015-09-04 07:33:48
● 2026-07-21 09:10:10
● 2026-07-21 09:10:10
●NSns2.rackspace.com2015-09-04 → 2026-07-21 · 2 obs
● 2015-09-04 07:33:48
● 2026-07-21 09:10:10
● 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-03-01 00:59:36
○ 2018-03-04 07:29:16
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-05-30 17:12:26
● 2020-04-07 07:54:02
○ 2020-05-07 12:42:28
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2018-03-04 07:29:16
● 2018-04-01 13:41:36
○ 2018-05-30 17:12:26
○ 2026-07-21 09:10:10
●MXrackspace-com.mail.protection.outlook.com2020-05-07 → 2026-07-21 · 3 obs
○ 2020-04-07 07:54:02
● 2020-05-07 12:42:28
● 2026-07-21 09:10:10
● 2020-05-07 12:42:28
● 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2019-10-26 20:55:12
○ 2019-11-29 02:47:50
○ 2026-07-21 09:10:10
○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
○ 2026-07-21 09:10:10
● 2020-03-31 02:39:00
○ 2020-04-07 07:54:02
○ 2026-07-21 09:10:10
●A3.227.192.2292019-11-29 → 2026-07-21 · 3 obs
○ 2019-10-26 20:55:12
● 2019-11-29 02:47:50
● 2026-07-21 09:10:10
● 2019-11-29 02:47:50
● 2026-07-21 09:10:10
●A52.1.14.2212019-11-29 → 2026-07-21 · 3 obs
○ 2019-10-26 20:55:12
● 2019-11-29 02:47:50
● 2026-07-21 09:10:10
● 2019-11-29 02:47:50
● 2026-07-21 09:10:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net... | - |
| rackspace.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 rackspace.com (unsigned zone)
⏱️ Timing
Total: 288ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.227.192.229, 52.1.14.221 |
| NS | 2 | ns.rackspace.com, ns2.rackspace.com |
| MX | 1 | rackspace-com.mail.protection.outlook.co |
| TXT | 17 | atlassian-domain-verification=jMtVkwHW7S, MS=ms45524193... |
| 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 acts as a parent domain for sat1.rackspace.com, web.rackspace.com, londc01.rackspace.com, partners.rackspace.com, wizard.rackspace.com and hundreds of other host names beneath it.
IP Addresses
rackspace.com resolves to the IP addresses 3.227.192.229 and 52.1.14.221
rackspace.com.hk, rackspace.co.th, rackspacehosting.com.my plus two other host names have IP numbers in common with rackspace.com.
Name Servers
rackspace.com uses two name servers for its delegation: ns2.rackspace.com and ns.rackspace.com.
The name server configuration of rackspace.com is shared with other domains, for instance leanimpact.com, 88.57.50.in-addr.arpa, motnes.com and two others.
rackspace.com has at least partial name server overlap with other domains, such as conroysflowerssantaana.com, ellenhol.com, ron-excepcional.pt and two others.
It is common to see these name servers used together with name servers dns1.stabletransit.com and dns2.stabletransit.com.
ns2.rackspace.com directs to 65.61.188.4 and ns.rackspace.com directs to 69.20.95.4; each host name points to exactly one IP number.
Mail Servers
rackspace.com uses one mail server — rackspace-com.mail.protection.outlook.com.
rackspace.com uses the same mail servers as other domains, including racksace.com.
rackspace-com.mail.protection.outlook.com has 8 IP addresses: 52.101.10.14, 52.101.40.1, 52.101.41.6 plus 5 more.