proofpoint.us.org - robtex.com
proofpoint.us.org
us.org
| 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 | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(20) | ||||||
| MX | alt2.aspmx.l.google.com(20) | ||||||
| MX | aspmx2.googlemail.com(30) | ||||||
| MX | aspmx3.googlemail.com(30) | ||||||
| MX | aspmx4.googlemail.com(30) | ||||||
| MX | aspmx5.googlemail.com(30) | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=167602 | ||||||
rank #124 in the tld
PASSWOT: SAFE (50/100)
📈 Tranco rank: #3,606
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 18:03:08
●NSns3.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●NSpdns99.ultradns.biz2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●NSpdns99.ultradns.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●NSpdns99.ultradns.net2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●NSpdns99.ultradns.org2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●A2a02:e980:13e::cf2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●A2a02:e980:e6::cf2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●A45.60.151.2072026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
●A45.60.171.2072026-03-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:03:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| us.org | ns3.centralnic.net, ns2.centralnic.net, ns1.centralnic.net, ns4.centralnic.net | - |
| proofpoint.us.org | ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.biz, pdns99.ultradns.com... | - |
✅ Authoritative Response
Server:156.154.65.99
NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proofpoint.us.org (unsigned zone)
⏱️ Timing
Total: 594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 45.60.151.207, 45.60.171.207 |
| 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.org maps to four IP numbers: 2a02:e980:e6::cf, 2a02:e980:13e::cf, 45.60.151.207 and 45.60.171.207.
Other host names such as proofpoint.im, proofpoint.engineering, proofpoint.es, proofpoint.asia and next-pageinc.net share IPs with proofpoint.us.org.
Name Servers
proofpoint.us.org 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.org at least partially shares name servers with other domains, for example 142.163.148.in-addr.arpa, guardianlifeinsuranceservices.com, tessian.co.uk, gisc.biz and 128.163.148.in-addr.arpa.
these name servers are commonly used alongside infoblox-sc4.ppops.net name servers.
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