mca.us.com - robtex.com
mca.us.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.ukg.com ⚠️ Not in zone NS records | ||||||
| A | 158.228.49.90🇺🇸 KRONOS-1158.228.48.0/20 Kronos Inc. | ||||||
| PTR | ns1-auth.kronos.com | ||||||
| PTR | a.ns.ukg.com | ||||||
| NS | b.ns.ukg.com ⚠️ Not in zone NS records | ||||||
| A | 158.228.49.91🇺🇸 KRONOS-1158.228.48.0/20 Kronos Inc. | ||||||
| PTR | ns2-auth.kronos.com | ||||||
| PTR | b.ns.ukg.com | ||||||
| NS | c.ns.ukg.com ⚠️ Not in zone NS records | ||||||
| A | 158.228.38.5🇨🇦 KRONOS-1158.228.36.0/22 Kronos INC. 900 Chelmsford S Lowell, MA 01851 | ||||||
| PTR | ns3-auth.kronos.com | ||||||
| PTR | c.ns.ukg.com | ||||||
| NS | d.ns.ukg.com ⚠️ Not in zone NS records | ||||||
| A | 158.228.78.2🇦🇺 KRONOS-1158.228.76.0/22 Kronos INC. 900 Chelmsford S Lowell, MA 01851 | ||||||
| PTR | ns4-auth.kronos.com | ||||||
| PTR | d.ns.ukg.com | ||||||
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=3000778507 | ||||||
rank #215 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: #1,079
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSa.ns.ukg.com2026-06-18 → 2026-07-03 · 2 obs
● 2026-07-03 09:08:10
●NSb.ns.ukg.com2026-06-18 → 2026-07-03 · 2 obs
● 2026-07-03 09:08:10
●NSc.ns.ukg.com2026-06-18 → 2026-07-03 · 2 obs
● 2026-07-03 09:08:10
●NSd.ns.ukg.com2026-06-18 → 2026-07-03 · 2 obs
● 2026-07-03 09:08:10
🔍 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 | - |
| mca.us.com | b.ns.ukg.com, d.ns.ukg.com, a.ns.ukg.com, c.ns.ukg.com | - |
✅ Authoritative Response
Server:158.228.38.5
NS records: b.ns.ukg.com, d.ns.ukg.com, a.ns.ukg.com, c.ns.ukg.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mca.us.com (unsigned zone)
⏱️ Timing
Total: 2776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
mca.us.com has four authoritative name servers: a.ns.ukg.com, b.ns.ukg.com, c.ns.ukg.com and d.ns.ukg.com.
mca.us.com partially shares its NS delegation with several other domains, including ukg-software.com, ult-pro.com, ulti-kronos.in and two others.
a.ns.ukg.com, b.ns.ukg.com, c.ns.ukg.com and d.ns.ukg.com each resolve to one IP address: a.ns.ukg.com resolves to 158.228.49.90, b.ns.ukg.com resolves to 158.228.49.91, c.ns.ukg.com resolves to 158.228.38.5 and d.ns.ukg.com resolves to 158.228.78.2.