HOW.IS
?

How is proofpoint.com?

Looks fine risk 0/100

Registered 25 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 358 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How proofpoint.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
358 ms · ends at www.proofpoint.com
HTTPS
195 d
left on a Sectigo Limited certificate
Age
25 years
registered 2001-08-08
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A45.60.151.207
45.60.171.207
AAAA2a02:e980:e6::cf
2a02:e980:13e::cf
MX10 mxa-00148501.gslb.pphosted.com
15 mx0a-00148501.pphosted.com
15 mx0b-00148501.pphosted.com
10 mxb-00148501.gslb.pphosted.com
NSns1.proofpoint.com
ns3.proofpoint.com
pdns99.ultradns.biz
pdns99.ultradns.com
pdns99.ultradns.net
pdns99.ultradns.org
TXTMS=ms66915438
7zjqogz6pipkgcunowrzlr2kk4zzbvui
8g643mlg95390t9m27yhh8ccc3djh9kl
flvpf3txfi5s6mfi6q4gzths63zkgyh6
lfj1tq15csyc72w7bgdt23nv5sfdhbwv
sl5htyxuslipmbdhyy7s5dpjweyuohqd
3138e5c5-9798-41bb-a66a-f0b02555197b
asv=9465dad26feb30e29b83613f5c02a1de
linear-domain-verification=cxrv67j8mq6e
_github-challenge-proofpoint-2=b5790c8e0b
apple-domain-verification=nOC9FciUgMGXDPqR
verification_token=FzhowMFsYTWbv2CwQzHuWar9b
docusign=024d71b2-0e97-4a12-b5d5-59f1398496df
docusign=2c075292-2334-4a0a-bf3b-71a084c9d0fb
jamf-site-verification=VBoaCJNLZhZnSeap1YIWPA
amazonses:RlrTC7/Tv/cDEgJBOGnvF+fa+JgATSOhAby33zYuhWU=
amazonses:q2hxXWvaOdgjhubWnZufuUhKgLZxfL3PoI4cptrU0gY=
openai-domain-verification=dv-nIygpFUM4qrdLLDyQoKeI6q7
docker-verification=13460241-226e-4d29-97e7-4699d62bb596
cursor-domain-verification-wqe15z=RzypHif5XX1tmT2h6yen8EF3t
fastly-domain-delegation-3yF86BWSvK5eKtB4-875817-2025-01-23
smartsheet-site-validation=wDwCVDKaaE7jlmu8UfmZC7R_CVdVDt1n
webexdomainverification.=482d75bd-f93a-4b08-b9fd-f29cd4ac460f
anthropic-domain-verification-y3m137=qK0cxjmQtPkMGPQe9LKVeGZj2
pendo-domain-verification=d131a0e2-664a-4230-ba51-0acf99fb4b90
globalsign-domain-verification=60999847F58FB37C020BB434D74EF1A9
google-site-verification=8gLyzJZLKfsYAHDKstNMwKKI-IB8zB3LPVBe8wyo7fw
google-site-verification=VneCes71bA1smMZFJ8bue3Hjjr5PSH2Nw3vXuBFdSOk
google-site-verification=h87yGt3EWJfCkagvPwOKkK1h1LGCdoBROU_kKbrdXPk
google-site-verification=mM60vv41HV36Nx6G5NAk93Se7Z-Y1eWeetnizsR6zLA
google-site-verification=sxZ-0Tdu9HaAjWzo8TkbC3Dcvbm9_TcCFaOUJhBGf1E
google-site-verification=uWpkNlmQfQH0hCnGWrr7ZC-o3dx4Dgi--DSZL1wtBoQ
zoom-domain-verification=ZOOM_verify_10035bd9568f4feca52a7a00fe69b79a
atlassian-sending-domain-verification=37b6750b-3b8f-46dc-b2fa-c576d7d1965c
BrG8ZlodJgGfUFj4RAmd28PHnIIHvBj56NGkzIIO3vwg0JUlTJISPsRo95V8+8QR0RY+aBIl21ch7my4YYFGSw==
iJdvOvZ2JpKKuGmHz3m7jyiT9LcUpxjwXIqy0lreXX41M/DqvOyKHQQTBtOFMviSL7SN6As/3CMKHol8D+uD4Q==
adobe-idp-site-verification=5bd692aa8ee1d148c00aac26f7ead08c64182725034dcf0691f7932590ca101e
atlassian-domain-verification=ehSV5ixRwTbI5wbth6qsMh3hGCusuawwQB3RtCdRGUyVC/hpoFIi/BljxMa3r0gn
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf-mailers.proofpoint.com include:i.ppops.net include:_spf.atlassian.net ~all
CAA{'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0}
{'type': 'CAA', 'issue': 'comodo.com', 'critical': 0}
{'type': 'CAA', 'issue': 'thawte.com', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2001-08-08
expires2028-08-08
last changed2026-07-07
ownerREDACTED FOR PRIVACY
nameserversns1.proofpoint.com
ns3.proofpoint.com
pdns99.ultradns.biz
pdns99.ultradns.com
pdns99.ultradns.net
pdns99.ultradns.org
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2001-08-08expires 2028-08-08
HTTPS certificate195 days left
validyes
issuerSectigo Limited
coverswww.proofpoint.com, abaca.com, blog.proofpoint.com, brand.proofpoint.com, dev11.proofpoint.com, emergingthreats.net, emergingthreatspro.com, essentials.proofpoint.com, fortiva.com, insiderthreatmanagement.com, ipcheck.proofpoint.com, ipchecktest.proofpoint.com
protocolTLSv1.3
issued 2026-10-29expires 2027-05-15
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → proofpoint.com
Email authenticationexcellent
SPFpass v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ip4:91.209.104.0/25 a:spf-mailers.proofpoint.com include:i.ppops.net include:_spf.atlassian.net ~all
DMARCpass policy reject
DKIMfound: s1, s2

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade A · 185/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop45.60.151.207Barracuda45.60.151.207UCEPROTECT Level 145.60.151.207SpamCop45.60.171.207Barracuda45.60.171.207UCEPROTECT Level 145.60.171.207

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=proofpoint.com" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=proofpoint.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on proofpoint.com. Reference: /llms.txt.

IPv6. IPv6 readiness grade for proofpoint.com Does proofpoint.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch proofpoint.com. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days