proofpoint.us.com - robtex.com
proofpoint.us.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=3000740588 | ||||||
rank #221 in the tld
This domain "us.com" is a commercial domain name which could be used by any individual or organization primarily for commercial purposes. It uses a country code top-level domain (ccTLD) for the United States, but it is not restricted to use by entities in the United States. The specific use or owner of "us.com" depends on who has registered it.WOT: SAFE (48/100)
📈 Tranco rank: #1,109
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●NSns3.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●NSpdns99.ultradns.biz2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●NSpdns99.ultradns.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●NSpdns99.ultradns.net2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●NSpdns99.ultradns.org2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●A2a02:e980:13e::cf2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●A2a02:e980:e6::cf2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●A45.60.151.2072026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
●A45.60.171.2072026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:23:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, b.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.net, pdns99.ultradns.com, ns1.proofpoint.com... | - |
✅ Authoritative Response
Server:156.154.66.99
NS records: pdns99.ultradns.org, pdns99.ultradns.net, pdns99.ultradns.com, ns1.proofpoint.com, pdns99.ultradns.biz, ns3.proofpoint.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proofpoint.us.com (unsigned zone)
⏱️ Timing
Total: 796ms | 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 refers to four IP numbers: 2a02:e980:e6::cf, 2a02:e980:13e::cf, 45.60.151.207 and 45.60.171.207.
Other host names, for instance proofpointt.com, proofpoint.com.es, proofpoint.uk, proofpoint.sg and proofpoint.mt share IP numbers with proofpoint.us.com.
Name Servers
proofpoint.us.com is delegated to six name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.
proofpoint.us.com at least partially shares name servers with other domains, including cloudmark-desktop.net, guardian-financial.net, cthires.com, pedre.com and yyy-best.com.
These name servers are commonly used with infoblox-sc4.ppops.net.
Host names with two IP numbers: pdns99.ultradns.biz points to: 2610:a1:1015::87 and 156.154.66.99; ns1.proofpoint.com points to: 2620:100:9000:1::d0 and 208.84.67.208; ns3.proofpoint.com points to: 2620:100:9004:1::d0 and 208.84.66.208; pdns99.ultradns.com points to: 2001:502:f3ff::87 and 156.154.64.99; pdns99.ultradns.net points to: 2610:a1:1014::87 and 156.154.65.99; pdns99.ultradns.org points to: 2001:502:4612::87 and 156.154.67.99.