proofpoint.us.com - dns.ninja
proofpoint.us.com
us.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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=3000793279 | ||||||
rank #224 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. |
WOT: SAFE (48/100)
📈 Tranco rank: #1,129
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.proofpoint.com2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●NSns3.proofpoint.com2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●NSpdns99.ultradns.biz2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●NSpdns99.ultradns.com2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●NSpdns99.ultradns.net2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●NSpdns99.ultradns.org2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●A2a02:e980:13e::cf2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●A2a02:e980:e6::cf2026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●A45.60.151.2072026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
●A45.60.171.2072026-03-27 → 2026-08-12 · 2 obs
● 2026-08-12 08:55:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net... | - |
| us.com | ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net | - |
| proofpoint.us.com | pdns99.ultradns.org, pdns99.ultradns.biz, pdns99.ultradns.net, pdns99.ultradns.com... | - |
✅ Authoritative Response
Server:156.154.67.99
NS records: pdns99.ultradns.org, pdns99.ultradns.biz, pdns99.ultradns.net, pdns99.ultradns.com, ns3.proofpoint.com, ns1.proofpoint.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proofpoint.us.com (unsigned zone)
⏱️ Timing
Total: 496ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 45.60.171.207, 45.60.151.207 |
| AAAA | 2 | 2a02:e980:e6::cf, 2a02:e980:13e::cf |
| NS | 6 | ns1.proofpoint.com, ns3.proofpoint.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.proofpoint.com ops.proofpoint.com |
Analysis
IP Addresses
proofpoint.us.com has four IP addresses: 45.60.151.207, 45.60.171.207, 2a02:e980:e6::cf and 2a02:e980:13e::cf.
Additional host names — proofpoint.pt, proofpointt.com, proofpoint.com.es and two others — share IP numbers with proofpoint.us.com.
Name Servers
proofpoint.us.com carries NS records listing 6 name servers — pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com and 3 others.
proofpoint.us.com has at least partial name server overlap with other domains, such as cloudmark-desktop.net, guardian-financial.net, cthires.com and two others.
It is common to find these name servers paired with the name servers pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org and infoblox-sc4.ppops.net.
Host names with two IP numbers:
The A records for pdns99.ultradns.biz return 156.154.66.99 and 2610:a1:1015::87.
The A records for ns1.proofpoint.com return 208.84.67.208 and 2620:100:9000:1::d0.
The A records for ns3.proofpoint.com return 208.84.66.208 and 2620:100:9004:1::d0.
The A records for pdns99.ultradns.com return 156.154.64.99 and 2001:502:f3ff::87.
The A records for pdns99.ultradns.net return 156.154.65.99 and 2610:a1:1014::87.
The A records for pdns99.ultradns.org return 156.154.67.99 and 2001:502:4612::87.