cloudlab.us - robtex.com
cloudlab.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.98.32.60🇺🇸 AS17055155.98.32.0/20 This is a UofU owned prefix announced by UEN | ||||||
| NS | ns2.emulab.net ⭐ | ||||||
| A | 155.98.60.2🇺🇸 AS17055155.98.0.0/16 This is a UEN Customer route. | ||||||
| PTR | bas.flux.utah.edu | ||||||
| NS | ns.emulab.net | ||||||
| A | 155.98.32.70🇺🇸 AS17055155.98.32.0/20 This is a UofU owned prefix announced by UEN | ||||||
| PTR | boss.emulab.net | ||||||
| NS | ns5.emulab.net | ||||||
| A | 155.99.144.4🇺🇸 AS17055155.99.144.0/24 This is a UofU owned prefix announced by UEN | ||||||
| PTR | ns5.emulab.net | ||||||
| MX | ops.emulab.net ⭐ | ||||||
| A | 155.98.33.74🇺🇸 AS17055155.98.32.0/20 This is a UofU owned prefix announced by UEN | ||||||
| PTR | ops.emulab.net | ||||||
| TXT | v=spf1 mx ip4:155.98.32.0/20 ip4:155.98.60.0/22 | ||||||
| SOA | ns.emulab.nettestbed-ops@flux.utah.edu 2025-08-06 #1 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1778339439 | ||||||
Subdomains
Same first word
Similar names
clubaldo.com |
clubload.com |
labcloud.org |
blacloud.com |
balcloud.com |
labcloud.de |
labcloud.com |
labcloud.pk |
clubload.de |
labcloud.biz |
loadclub.com |
labcloud.cc |
albcloud.com |
labcloud.net |
cloudbal.xyz |
localbud.ca |
DNS History
6 records (5 active, 1 former)
●NSns.emulab.net2015-06-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:39:16
●NSns2.emulab.net2015-06-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:39:16
●NSns5.emulab.net2015-06-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:39:16
○MXmailhub.flux.utah.edu2015-06-22 → 2021-05-07 · 4 obs
● 2021-05-07 18:33:18
○ 2026-02-24 02:28:52
○ 2026-05-09 15:39:16
●MXops.emulab.net2026-02-24 → 2026-05-09 · 3 obs
● 2026-02-24 02:28:52
● 2026-05-09 15:39:16
●A155.98.32.602015-06-22 → 2026-05-09 · 2 obs
● 2026-05-09 15:39:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | n.cctld.us, f.cctld.us, x.cctld.us, m.cctld.us... | 16 records |
| cloudlab.us | ns5.emulab.net, ns2.emulab.net, ns.emulab.net | - |
✅ Authoritative Response
Server:155.99.144.4
NS records: ns5.emulab.net, ns2.emulab.net, ns.emulab.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cloudlab.us (unsigned zone)
⏱️ Timing
Total: 858ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.98.32.60 |
| NS | 3 | ns5.emulab.net, ns.emulab.net... |
| MX | 1 | ops.emulab.net (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:155.98.32.0/20 ip4:155.98. |
| SOA | 1 | ns.emulab.net testbed-ops.flux.utah.edu |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (y.cctld.us, x.cctld.us, w.cctld.us...)
Analysis
Hierarchy
cloudlab.us is a parent of wisc.cloudlab.us and utah.cloudlab.us.
IP Addresses
cloudlab.us points to a single IP number: 155.98.32.60.
Other host names, for instance cloud-lab.us, share IP numbers with cloudlab.us.
Name Servers
The delegation for cloudlab.us is handled by three name servers: ns2.emulab.net, ns5.emulab.net and ns.emulab.net.
cloudlab.us at least partially shares name servers with other domains, for instance 32.98.155.in-addr.arpa, cloud-lab.us, netbed.org, protogeni.org and emulab.com.
these name servers are often used with paper.emulab.net, ns4.emulab.net, ns3.emulab.net, boss.apt.emulab.net, ns.utahddc.geniracks.net, ns.utah.cloudlab.us, fiber.utah.edu and flux.utah.edu.
Host names with one IP number:
ns2.emulab.net points to 155.98.60.2.
ns5.emulab.net points to 155.99.144.4.
ns.emulab.net points to 155.98.32.70.
Mail Servers
cloudlab.us is handled by a single mail server, ops.emulab.net.
cloudlab.us uses the same mail server configuration as other domains, such as phantomnet.org, aptlab.net, powderwireless.net, protogeni.us and phantomnet.us.
cloudlab.us shares at least partially some mail servers with other domains, for example ops.emulab.net, boss.emulab.net and emulab.net.
These mail servers are often used together with the mail servers mailhub.flux.utah.edu.
ops.emulab.net points to a single IP: 155.98.33.74.