doublektech.com - dns.ninja
doublektech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:470:7c:6d::10🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | web.doublektech.com | ||||||
| A | 136.175.92.20🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| NS | web.doublektech.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:470:7c:6d::10🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | web.doublektech.com | ||||||
| A | 136.175.92.20🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| PTR | web.doublektech.com | ||||||
| NS | ns2.crnci.com ⚠️ Not in zone NS records | ||||||
| A | 2001:470:7c:6d::20🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.doublektech.com | ||||||
| A | 136.175.92.25🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| PTR | ns2.doublektech.com | ||||||
| NS | ns2.doublektech.com ⚠️ Not in parent delegation | ||||||
| A | 2001:470:7c:6d::20🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.doublektech.com | ||||||
| A | 136.175.92.25🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| PTR | ns2.doublektech.com | ||||||
| NS | web.crnci.com ⚠️ Not in zone NS records | ||||||
| A | 2001:470:7c:6d::10🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | web.doublektech.com | ||||||
| A | 136.175.92.20🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| PTR | web.doublektech.com | ||||||
| MX | efa.doublektech.com ⭐ | ||||||
| A | 136.175.92.11🇺🇸 CRNCI-NETOPS-01136.175.92.0/24 PO Box 3402 Des Moines IA 50316 United States | ||||||
| PTR | efa.doublektech.com | ||||||
| TXT | v=spf1 mx a ip4:136.175.92.206/24 include:crnci.com ~all | ||||||
| TXT | google-site-verification=I1oItE4W1fCpLo7AhZGdkNhETRjxVnvkhJVnj6GO2HA | ||||||
| SOA | web.doublektech.comekellis@doublektech.com 2026-07-25 #2 | ||||||
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=1785151147 | ||||||
Subdomains
untangle.doublektech.com |
web.doublektech.com |
ns2.doublektech.com |
mail.doublektech.com |
efa.doublektech.com |
Same first word
doublektech.com |
DNS History
7 records (7 active, 0 former)
●NSns2.doublektech.com2026-04-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:47:38
●NSweb.doublektech.com2026-04-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:47:38
●MXefa.doublektech.com2026-04-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:47:38
●A136.175.92.202026-04-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:47:38
●A2001:470:7c:6d::102026-04-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:47:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| doublektech.com | ns2.crnci.com, web.crnci.com | 2 records |
✅ Authoritative Response
Server:136.175.92.20
NS records: ns2.crnci.com, web.crnci.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 204ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.175.92.20 |
| AAAA | 1 | 2001:470:7c:6d::10 |
| NS | 2 | ns2.doublektech.com, web.doublektech.com |
| MX | 1 | efa.doublektech.com (pri: 10) |
| TXT | 2 | v=spf1 mx a ip4:136.175.92.206/24 includ, google-site-verification=I1oItE4W1fCpLo7 |
| SOA | 1 | web.doublektech.com ekellis.doublektech. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.crnci.com, web.crnci.com)
Analysis
Hierarchy
doublektech.com has five child domains: untangle.doublektech.com, web.doublektech.com, ns2.doublektech.com, mail.doublektech.com and efa.doublektech.com.
IP Addresses
doublektech.com has two IP addresses: 136.175.92.20 and 2001:470:7c:6d::10
Two other host names, along with iowapropertymaintenance.com, ns1.crnci.com and dtfd.net, also share IP numbers with doublektech.com.
Name Servers
The NS records for doublektech.com point to four name servers: ns2.crnci.com, web.crnci.com, ns2.doublektech.com and web.doublektech.com.
There is at least partial name server overlap between doublektech.com and other domains — iowapropertymaintenance.com, 92.175.136.in-addr.arpa, thesuddenstop.com and two more among them.
The four hosts ns2.crnci.com, web.crnci.com, ns2.doublektech.com and web.doublektech.com each point to two IP numbers. ns2.crnci.com directs to 136.175.92.25 and 2001:470:7c:6d::20; web.crnci.com directs to 136.175.92.20 and 2001:470:7c:6d::10; ns2.doublektech.com directs to 136.175.92.25 and 2001:470:7c:6d::20; web.doublektech.com directs to 136.175.92.20 and 2001:470:7c:6d::10.
ns2.crnci.com and ns2.doublektech.com each have 2001:470:7c:6d::20 IP addresses.
ns2.crnci.com and ns2.doublektech.com each have 136.175.92.25 IP addresses.
web.crnci.com and web.doublektech.com each have 2001:470:7c:6d::10 IP addresses.
web.crnci.com and web.doublektech.com each have 136.175.92.20 IP addresses.
Mail Servers
The sole mail server for doublektech.com is efa.doublektech.com.
Like dtfd.net and crnci.com, doublektech.com has the same mail server arrangement as several other domains.
efa.doublektech.com resolves to 136.175.92.11 and no other IP number.