criticalengineering.com - dns.ninja
criticalengineering.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.23.46.88🇺🇸 RACKSPACE-DFW67.23.32.0/20 Rackspace Managed Hosting, 9725 Datapoint DR, Suite 100, San Antonio, TX 78229 | ||||||
| PTR | cloud3.rho.net | ||||||
| NS | dns1.stabletransit.com ⭐ | ||||||
| A | 69.20.95.4🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| PTR | ns.rackspace.com | ||||||
| NS | ns1.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 | ||||||
| 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 | nsa.rho.net ⚠️ Not in parent delegation | ||||||
| A | 174.143.205.212🇺🇸 RACKSPACE-DFW174.143.0.0/16 Rackspace Managed Hosting, 9725 Datapoint DR, Suite 100, San Antonio, TX 78229 | ||||||
| NS | nsb.rho.net ⚠️ Not in parent delegation | ||||||
| A | 98.118.95.13🇺🇸 AS70198.118.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | static-98-118-95-13.bstnma.fios.verizon.net | ||||||
| NS | nsc.rho.net ⚠️ Not in parent delegation | ||||||
| A | 98.118.95.13🇺🇸 AS70198.118.0.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | static-98-118-95-13.bstnma.fios.verizon.net | ||||||
| NS | nsd.rho.net ⚠️ Not in parent delegation | ||||||
| A | 174.143.205.212🇺🇸 RACKSPACE-DFW174.143.0.0/16 Rackspace Managed Hosting, 9725 Datapoint DR, Suite 100, San Antonio, TX 78229 | ||||||
| MX | mail.rho.net ⭐ | ||||||
| A | 67.23.46.88🇺🇸 RACKSPACE-DFW67.23.32.0/20 Rackspace Managed Hosting, 9725 Datapoint DR, Suite 100, San Antonio, TX 78229 | ||||||
| PTR | cloud3.rho.net | ||||||
| SOA | dns1.stabletransit.comhostmaster@rho.net serial=1585328564 | ||||||
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=1786693554 | ||||||
Same first word
criticalengineering.org |
criticalengineering.com |
DNS History
9 records (9 active, 0 former)
●NSdns1.stabletransit.com2026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 10:03:14
● 2026-08-14 07:55:44
●NSns1.rackspace.com2026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 10:03:14
● 2026-08-14 07:55:44
●NSns2.rackspace.com2026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 10:03:14
● 2026-08-14 07:55:44
●A67.23.46.882015-06-20 → 2026-08-14 · 2 obs
● 2026-08-14 07:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| criticalengineering.com | ns2.rackspace.com, ns1.rackspace.com | 2 records |
✅ Authoritative Response
Server:65.61.188.4
NS records: ns2.rackspace.com, ns1.rackspace.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for criticalengineering.com (unsigned zone)
⏱️ Timing
Total: 323ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.23.46.88 |
| NS | 4 | nsc.rho.net, nsb.rho.net... |
| MX | 1 | mail.rho.net (pri: 10) |
| SOA | 1 | dns1.stabletransit.com hostmaster.rho.ne |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.rackspace.com, ns1.rackspace.com)
Analysis
IP Addresses
criticalengineering.com resolves to just one IP address, 67.23.46.88.
Two other host names, along with cloud3.rho.net, scorpium.net and mail.rho.net, also share IP numbers with criticalengineering.com.
Name Servers
criticalengineering.com carries NS records listing 7 name servers — ns1.rackspace.com, ns2.rackspace.com, dns1.stabletransit.com and 4 others.
criticalengineering.com partially shares its NS delegation with several other domains, including jcrewbody.com, spufalcons.com, 228.13.162.in-addr.arpa and two others.
In DNS configurations, these name servers often share authority with ns.rackspace.com, dns2.stabletransit.com, nsa.rho.net and 4 other name servers.
Host names that point to one IP address:
ns1.rackspace.com resolves to the IP address 69.20.95.4.
ns2.rackspace.com resolves to the IP address 65.61.188.4.
dns1.stabletransit.com resolves to the IP address 69.20.95.4.
nsa.rho.net resolves to the IP address 174.143.205.212.
nsb.rho.net resolves to the IP address 98.118.95.13.
nsc.rho.net resolves to the IP address 98.118.95.13.
nsd.rho.net resolves to the IP address 174.143.205.212.
ns1.rackspace.com and dns1.stabletransit.com each have 69.20.95.4 IP addresses.
nsa.rho.net and nsd.rho.net each have 174.143.205.212 IP addresses.
nsb.rho.net and nsc.rho.net each have 98.118.95.13 IP addresses.
Mail Servers
The sole mail server for criticalengineering.com is mail.rho.net.
mail.rho.net resolves to 67.23.46.88 and no other IP number.