HOW.IS
?

How is nu.nl?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 223 ms.

Why

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

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

How nu.nl looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
223 ms
HTTPS
114 d
left on a DigiCert Inc certificate
Age
28 years
registered 1998-05-26
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A23.212.251.72
23.212.251.78
AAAA2600:1408:c400:e::17cd:6a08
2600:1408:c400:e::17cd:6a04
MX10 alt3.aspmx.l.google.com
5 alt1.aspmx.l.google.com
1 aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt2.aspmx.l.google.com
NSuse5.akam.net
usc2.akam.net
eur6.akam.net
ns1-125.akam.net
use2.akam.net
eur2.akam.net
eur5.akam.net
ns1-25.akam.net
TXTgoogle-site-verification=5a_rbsm2U7Ui-D8iQWKPPINvNczda7puIqliz_4eVhE
j9fp8pgv04h1sj684g6mbudvbj
MS=ms74543461
google-site-verification=FK-oosEnGeJyF9X8h9_n7Ck1qBaTFlRepZlStiYyiq8
atlassian-domain-verification=gqfC576h6pKDntEMQCdrUMXTtOD2vfhKvXTSXAIxiT3BSdIBLzbPWwOkt0jwiITX
klaviyo-site-verification=TSJiF9
v=spf1 include:_spf.dpgmmservices.nl include:spf.protection.outlook.com include:_spf.google.com include:mail.zendesk.com -all
facebook-domain-verification=y39uvlb8me78wtka5eak2twy6ws9kb
44H7wFK0U1bPombNvcSDEEeuh4tt0XfAGrMWp9Rud0zNncmKY4X9Xy6/ZIdK76RU8kFePsDZNiazxafW6c2Kfg==
RegistrationRegistrar.eu
registrarRegistrar.eu
registered1998-05-26
last changed2026-07-30
ownerhidden by privacy service
nameserversusc2.akam.net
ns1-125.akam.net
eur5.akam.net
ns1-25.akam.net
use5.akam.net
use2.akam.net
eur6.akam.net
eur2.akam.net
statusactive
HTTPS certificate114 days left
validyes
issuerDigiCert Inc
covers*.nu.nl, nu.nl
protocolTLSv1.3
issued 2026-08-06expires 2027-02-20
DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → nl → nu.nl
Email authenticationexcellent
SPFpass v=spf1 include:_spf.dpgmmservices.nl include:spf.protection.outlook.com include:_spf.google.com include:mail.zendesk.com -all
DMARCpass policy quarantine
DKIMfound: google, s1, s2

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

Security scoregrade B · 160/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop23.212.251.78Barracuda23.212.251.78UCEPROTECT Level 123.212.251.78SpamCop23.212.251.72Barracuda23.212.251.72UCEPROTECT Level 123.212.251.72

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=nu.nl" \ -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=nu.nl"

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

Watch nu.nl. 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