techtraining.us.com - dns.ninja
techtraining.us.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:19f0:5401:95c::f🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix | ||||||
| A | 155.138.228.142🇺🇸 AS-VULTR155.138.224.0/20 Vultr Assigned Prefix | ||||||
| NS | ns1.serversgrid.com ⭐ | ||||||
| A | 2001:19f0:5401:95c:5400:6ff:fe0e:e553🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix | ||||||
| PTR | host.serversgrid.com | ||||||
| A | 155.138.228.142🇺🇸 AS-VULTR155.138.224.0/20 Vultr Assigned Prefix | ||||||
| PTR | host.serversgrid.com | ||||||
| NS | ns2.serversgrid.com | ||||||
| A | 2001:19f0:5401:95c:5400:6ff:fe0e:e553🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix | ||||||
| PTR | host.serversgrid.com | ||||||
| A | 155.138.228.142🇺🇸 AS-VULTR155.138.224.0/20 Vultr Assigned Prefix | ||||||
| PTR | host.serversgrid.com | ||||||
| MX | techtraining.us.com ⭐ | ||||||
| A | 2001:19f0:5401:95c::f🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix | ||||||
| A | 155.138.228.142🇺🇸 AS-VULTR155.138.224.0/20 Vultr Assigned Prefix | ||||||
| PTR | host.serversgrid.com | ||||||
| TXT | v=spf1 ip4:155.138.228.142 +a +mx +ip4:45.32.215.19 +ip4:144.208.74.75 +ip4:6... | ||||||
| SOA | ns1.serversgrid.comsupport@serversgrid.com 2026-05-14 #1 | ||||||
us.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | ns1.centralnic.net | ||||||
| NS | ns2.centralnic.net | ||||||
| NS | ns3.centralnic.net | ||||||
| NS | ns4.centralnic.net | ||||||
| MX | mx-01.emailme.com ⭐ | ||||||
| TXT | v=spf1 mx -all | ||||||
| TXT | google-site-verification=TQ9DQVGZ4sDKfEbBIAiflq7ZKjGuCOC_vEpwyw_XsW8 | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000772279 | ||||||
rank #212 in the tld
us.com
us.comis a private domain registry operated by CentralNic (now Team Internet Group plc) that offers third-level registrations as an alternative to the official.usor.comextensions. Unlike the official.uscountry-code top-level domain, registrations underus.comare unrestricted and available to anyone globally.
Key facts
- Owner / operator: CentralNic (Team Internet Group plc)
- TLD:
.com— gTLD - Primary purpose: Domain registry for third-level subdomains
- Status: active
History
| Year | Event |
|---|---|
| 1995 | Theus.comregistry is established to offer third-level domain registrations. |
| 1996 | CentralNic, the operator of the registry, is founded. |
| 2023 | CentralNic Group plc officially rebrands to Team Internet Group plc. |
📈 Tranco rank: #1,048
MX for
techtraining.us.com |
Subdomains
www.techtraining.us.com |
Same first word
techtraining.cz |
techtraining.co.in |
techtraining.com |
techtraining.us.com |
techtraining.ca |
techtraining.tv |
techtraining.ch |
techtraining.es |
techtraining.nl |
techtraining.com.au |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.serversgrid.com2026-04-21 → 2026-06-18 · 2 obs
● 2026-06-18 12:59:02
●NSns2.serversgrid.com2026-04-21 → 2026-06-18 · 2 obs
● 2026-06-18 12:59:02
●MXtechtraining.us.com2026-04-21 → 2026-06-18 · 2 obs
● 2026-06-18 12:59:02
●A155.138.228.1422026-04-21 → 2026-06-18 · 2 obs
● 2026-06-18 12:59:02
●A2001:19f0:5401:95c::f2026-05-06 → 2026-06-18 · 3 obs
● 2026-05-06 12:23:38
● 2026-06-18 12:59:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| us.com | ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net | - |
| techtraining.us.com | ns1.serversgrid.com, ns2.serversgrid.com | - |
✅ Authoritative Response
Server:155.138.228.142
NS records: ns1.serversgrid.com, ns2.serversgrid.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techtraining.us.com (unsigned zone)
⏱️ Timing
Total: 443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.138.228.142 |
| AAAA | 1 | 2001:19f0:5401:95c::f |
| NS | 2 | ns2.serversgrid.com, ns1.serversgrid.com |
| MX | 1 | techtraining.us.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:155.138.228.142 +a +mx +ip4:4 |
| SOA | 1 | ns1.serversgrid.com support.serversgrid. |
Analysis
Hierarchy
techtraining.us.com is a parent domain of www.techtraining.us.com.
Mail Server Role
techtraining.us.com handles its own mail, functioning as its own mail server.
IP Addresses
techtraining.us.com resolves to the IP addresses 155.138.228.142 and 2001:19f0:5401:95c::f
Two other host names, along with ns2.serversgrid.com, telecomsolutionsllc.com and fleetguardusa.com, also share IP numbers with techtraining.us.com.
Name Servers
techtraining.us.com has two authoritative name servers — ns1.serversgrid.com and ns2.serversgrid.com.
techtraining.us.com shares its name server setup with other domains, such as prominence.media and blmech.com.
techtraining.us.com and other domains like fleetguardusa.com, serversgrid.com and telecomsolutionsllc.com share some name servers
These name servers are frequently seen alongside the name servers ns100.serversgrid.com, ns200.serversgrid.com, ns10.serversgrid.com and ns20.serversgrid.com.
Both ns1.serversgrid.com and ns2.serversgrid.com point to 155.138.228.142 and 2001:19f0:5401:95c:5400:6ff:fe0e:e553.
The host names ns1.serversgrid.com and ns2.serversgrid.com both resolve to 2001:19f0:5401:95c:5400:6ff:fe0e:e553 IP addresses.
The host names ns1.serversgrid.com and ns2.serversgrid.com both resolve to 155.138.228.142 IP addresses.
Mail Servers
techtraining.us.com is served by just one mail server: techtraining.us.com.
techtraining.us.com points to two IP addresses: 155.138.228.142 and 2001:19f0:5401:95c::f.