clusterhost.org - robtex.com
clusterhost.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.203.44.122🇺🇸 RACKSPACE-ORD173.203.0.0/17 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| A | 207.97.209.146🇺🇸 RACKSPACE-IAD207.97.192.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| 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 | mx1.sat.rackspace.com ⭐ | ||||||
| A | 64.39.1.223🇺🇸 RACKSPACE-DFW64.39.0.0/19 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| PTR | mx1.sat.rackspace.com | ||||||
| MX | mx2.sat.rackspace.com(20) | ||||||
| A | 64.39.1.224🇺🇸 RACKSPACE-DFW64.39.0.0/19 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| PTR | mx2.sat.rackspace.com | ||||||
| MX | mx1.dfw1.rackspace.com(100) | ||||||
| A | 72.3.128.180🇺🇸 RACKSPACE-DFW72.3.128.0/17 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| PTR | mx1.dfw1.rackspace.com | ||||||
| SOA | ns.rackspace.comhostmaster@rackspace.com serial=1517849025 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Subdomains
www.clusterhost.org |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns.rackspace.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●NSns2.rackspace.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●MXmx1.dfw1.rackspace.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●MXmx1.sat.rackspace.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●MXmx2.sat.rackspace.com2015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●A173.203.44.1222015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
●A207.97.209.1462015-07-25 → 2026-03-24 · 2 obs
● 2026-03-24 09:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| clusterhost.org | ns.rackspace.com, ns2.rackspace.com | - |
✅ Authoritative Response
Server:65.61.188.4
NS records: ns.rackspace.com, ns2.rackspace.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for clusterhost.org (unsigned zone)
⏱️ Timing
Total: 544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 207.97.209.146, 173.203.44.122 |
| NS | 2 | ns.rackspace.com, ns2.rackspace.com |
| MX | 3 | mx2.sat.rackspace.com (pri: 20), mx1.sat.rackspace.com (pri: 10)... |
| SOA | 1 | ns.rackspace.com hostmaster.rackspace.co |
Analysis
Hierarchy
clusterhost.org is the parent of www.clusterhost.org.
IP Addresses
clusterhost.org resolves to two IPs: 173.203.44.122 and 207.97.209.146.
other host names for instance appspace.org, managedhosting.tv, intensivehosting.com, salesclouds.com and clusteracks.com share IP numbers with clusterhost.org.
Name Servers
clusterhost.org is delegated to two name servers: ns2.rackspace.com and ns.rackspace.com.
clusterhost.org shares the same name server setup as other domains, for example 65.57.50.in-addr.arpa, 45.23.67.in-addr.arpa, 201.106.184.in-addr.arpa, lamonaappliances.com and tomasmorodos.edu.mx.
clusterhost.org at least partially shares name servers with other domains, for instance gcnuclearpolicy.org, megaprint.com.gt, change2100.org, sys.fm and findtheneedle.co.uk.
These name servers are commonly used with dns1.stabletransit.com, dns2.stabletransit.com and ns1.rackspace.com.
Host names with one IP number:
The host ns2.rackspace.com points to 65.61.188.4 and the host ns.rackspace.com points to 69.20.95.4.
Mail Servers
clusterhost.org is handled by three mail servers: mx1.dfw1.rackspace.com, mx1.sat.rackspace.com and mx2.sat.rackspace.com.
clusterhost.org shares mail servers with other domains at least partially, including priorityserver.com, customserver.org, application-server.net, application-space.com and fullcontrolhosting.net.
Host names with one IP number:
mx1.dfw1.rackspace.com points to 72.3.128.180.
mx1.sat.rackspace.com points to 64.39.1.223.
mx2.sat.rackspace.com points to 64.39.1.224.