HOW.IS
?

How is nielsen.com?

Looks fine risk 0/100

Registered 35 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 113 ms.

Why

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

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

How nielsen.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
113 ms · ends at www.nielsen.com
HTTPS
74 d
left on a Let's Encrypt certificate
Age
35 years
registered 1991-05-08
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A192.0.66.96
MX1 aspmx.l.google.com
10 alt4.aspmx.l.google.com
10 alt3.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
NSpdns2.ultradns.net
pdns3.ultradns.org
pdns5.ultradns.info
pdns1.ultradns.net
pdns4.ultradns.org
pdns6.ultradns.co.uk
TXTDynatrace-site-verification=e8499418-763b-4e07-a2a9-630887963898__2lre76d6k2cspk5nbhcab5vkm0
pardot881703=bda145131aa75cc8b4ffbcd3a03b6030184b13efe5c428318ae54a4fd575a548
kiro-site-verification=c87b62bd-d1a9-4fbb-87c4-467cd5e5c10d
amazonses:RU3KDh1Q6flY8zP+pA0WOA8kuCaXCFdSoNIdQBySLYQ=
amazonses:prkq66HtyEY2olarwkuQTxOKmVpexTvKSKZD0nTrZsw=
vertexinc-cloud-f4e45a1f-b0d6-43db-b9fc-4ce6f7304034
MS=ms41051260
spf2.0/pra
vmware-cloud-verification-e7e740f3-1587-48ca-a362-dfb52b02dab2
smartsheet-site-validation=vFfZpWmTE4YfhFSxtnG5j3_p_hu4k_xO
adobe-idp-site-verification=d4250894cee614bbe020fa949280b0ad410c6b2930ba4383f4652a135544f587
chariot=chariot+nielsen@praetorian.com
_globalsign-domain-verification=VvDpOdxqrg1tm5Pqkg2JSk9H5WqnI_O1VYhH7wUif6
miro-verification=bd31f86ea27054eddbcf39ef767cce5163f1d7dd
pardot31782=b80a14ec11c49bb8307f78a6de296a7fd52bf73edbe8b1148c699eba6d6fc88e
liveramp-site-verification=ACjlvkmxMUhaIkPSnxfs-XEfK7bUAz0a9NGGrnYjGfo
amazonses:0JosrlclByQF0TUsPNy0SQef9qg/hdQRAXwkGMEKxUA=
MS=ms67552876
docusign=c34c43dd-9b32-43cc-8e1a-927cec32c6ed
amazonses:CMjF0nhMIlOStaYBRZZf+5dETxEYbvqkyw6bo3tG62U=
v=spf1 redirect=nielsenmedia.com
cursor-domain-verification-nrtyzf=yn7HXR3200uZTbCpwUOh2WpNk
_ai81x2u5stppdkyre8n0ezt5ky1t4lt
atlassian-sending-domain-verification=8c150d6d-0537-4aaf-80e9-a9dd8ca01648
asv=bf2e463d186d760daa4dac04f2189363
_globalsign-domain-verification=uqDQCq1dOLC9lyzN68Grz66P1qpMXrUgu-Q111CVVw
amazonses:PGjwQCzzs3Wm+ONWo5DNcDbTKPBaomU4C+g+w8bQ0Cc=
cisco-ci-domain-verification=6942166472e691ef8e55cb4759b596597527a28b064e4fc259257026c4f601be
amazonses:EDDacT4UsDG+Qc+FRfYpNNvEOQzeaShKQUSi8K7tNAU=
atlassian-domain-verification=sTb4hFWtIi5V/G7/I/PG5eYIA95YUMrC+ucuxckH99NzjiBo/5kYo94NeHCG+Rgy
69fddfc11326d61913ff947e.hoxhuntsigning.com
cisco-ci-domain-verification=4cb7d8a43966e27101c7b4a6f465153af246a51d22896fb10771c0f7bf0480a
facebook-domain-verification=sl8du0ke9guurybwg45jxj8i479ev7
S++U9DTmPuWS35PmOtd+b9EGXReFRPlH3OCLbosxcd4=
pardot407042=326c335e144c4c389b1fd392bfce3fe651f86670057bbce87a5cbba848477c5a
google-site-verification=bxXOriWggTqH_8xPx5gPdOwac9leSuqcQludAHOxJE0
wrike-verification=Mjk1ODE5OTpkM2Y4Y2NmZDY3YTI5YWQ3ZGExMjJhNmRmNjRlYjBjMWI1YmQ3YWFiMzUzMDhlNjQ4ZDcwZDAxODNiMDU0NGIx
docusign=eff616df-1c79-4f17-a483-41df197156e0
anthropic-domain-verification-xea344=7JYUkKzKsua4Uwb8UBXKT88Vu
pardot_85462_*=3d08aa457edc0a6d5f8402a9f27e97be967bd899ec40de3ef5517a10c3a7bad0
workplace-domain-verification=UFAkrwf7ECD95XHT8EBiP1aQoYsZPu
apple-domain-verification=JTibV8tKhqrsFjn5
onetrust-domain-verification=8c659e5cd0434b48af1ee2a02d71471c
78bbee88-ff35-4ebd-a89c-c171623a2556
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered1991-05-08
expires2027-05-09
last changed2026-04-07
ownerThe Nielsen Company
nameserversudns1.ultradns.net
udns2.ultradns.net
statusclient delete prohibited
client transfer prohibited
client update prohibited
registered 1991-05-08expires 2027-05-09
HTTPS certificate74 days left
validyes
issuerLet's Encrypt
coversnielsen.com, www.nielsen.com
protocolTLSv1.3
issued 2026-10-17expires 2027-01-15
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → nielsen.com
Email authenticationgood
SPFwarning v=spf1 redirect=nielsenmedia.com
DMARCpass policy quarantine
DKIMfound: s1, s2, smtp

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

Security scoregrade B · 158/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
23/45missing: CAA Records, SPF Record, DKIM Presence
Advanced Security
20/25missing: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop192.0.66.96Barracuda192.0.66.96UCEPROTECT Level 1192.0.66.96

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=nielsen.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=nielsen.com"

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

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

Watch nielsen.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