`proofpoint.vn`

DNSSEC	⚠️ Not signed
A	2a02:e980:e6::cf^{🇺🇸 IMPERVA2a02:e980:e6::/48}
A	2a02:e980:13e::cf^{🇺🇸 IMPERVA2a02:e980:13e::/48}
A	45.60.151.207^{🇺🇸 IMPERVA45.60.151.0/24 ORIXCOM via EMIX}
A	45.60.171.207^{🇺🇸 IMPERVA45.60.171.0/24 ORIXCOM via EMIX}
NS	`ns1.proofpoint.com` ⭐
		A	2620:100:9000:1::d0^{🇺🇸 Proofpoint2620:100:9000::/47 Inc.}
			PTR	`ns1.proofpoint.com`
		A	208.84.67.208^{🇺🇸 Proofpoint208.84.67.0/24 Inc.}
			PTR	`ns1-at1.proofpoint.com`
			PTR	`ns1.proofpoint.com`
			PTR	`ns5.proofpoint.com`
NS	`ns3.proofpoint.com`
		A	2620:100:9004:1::d0^{🇺🇸 Proofpoint2620:100:9004::/47 Inc.}
			PTR	`ns3.proofpoint.com`
		A	208.84.66.208^{🇺🇸 Proofpoint208.84.66.0/24 Inc.}
			PTR	`ns1-sc4.proofpoint.com`
			PTR	`ns2.proofpoint.com`
			PTR	`ns3.proofpoint.com`
			PTR	`ns4.proofpoint.com`
NS	`pdns99.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::87^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns99.ultradns.biz`
		A	156.154.66.99^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns99.ultradns.biz`
NS	`pdns99.ultradns.com`
		A	2001:502:f3ff::87^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns99.ultradns.com`
		A	156.154.64.99^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns99.ultradns.com`
NS	`pdns99.ultradns.net` ⚠️ Not in parent delegation
		A	2610:a1:1014::87^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns99.ultradns.net`
		A	156.154.65.99^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns99.ultradns.net`
NS	`pdns99.ultradns.org`
		A	2001:502:4612::87^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns99.ultradns.org`
		A	156.154.67.99^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns99.ultradns.org`
TXT	`v=spf1 -all`
SOA	`ns1.proofpoint.com`ops@proofpoint.com 2017-03-03 #15

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030593901

Same first word

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Similar names

pointproof.com

topinfopro.ru

optinproof.com

DNS History

10 records (10 active, 0 former)

●NSns1.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●NSns3.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●NSpdns99.ultradns.biz2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●NSpdns99.ultradns.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●NSpdns99.ultradns.net2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●NSpdns99.ultradns.org2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●A2a02:e980:13e::cf2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●A2a02:e980:e6::cf2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●A45.60.151.2072026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

●A45.60.171.2072026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 22:53:24
● 2026-03-28 13:15:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	d.dns-servers.vn, e.dns-servers.vn, a.dns-servers.vn, f.dns-servers.vn...	-
proofpoint.vn	pdns99.ultradns.org, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com	-

✅ Authoritative Response

Server:156.154.67.99

NS records: pdns99.ultradns.org, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofpoint.vn (unsigned zone)

⏱️ Timing

Total: 1180ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`45.60.151.207, 45.60.171.207`
AAAA	2	`2a02:e980:13e::cf, 2a02:e980:e6::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.vn points to four IP numbers: 2a02:e980:e6::cf, 2a02:e980:13e::cf, 45.60.151.207 and 45.60.171.207.

For instance, other host names proofpoint.co.in, proofpoint.io, nextpage-corp.com, ew72nhr.x.incapdns.net and proofpoint.it share IP numbers with proofpoint.vn.

Name Servers

proofpoint.vn 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.vn shares name servers with other domains at least partially, for example asa.org, 4nospam.com, proofpoint.social, ukmf.org and proofpoint.systems.