Domain · Tranco #47,085

duo.nl

duo.nl is ranked #47,085 among the world's most-visited sites (Tranco). It resolves to 194.171.77.135, hosted on rio-kennisbank.duo.nl, and presents a TLS certificate issued by DigiCert Ireland Limited.

HTTP 302

Tranco rank	#47,085
IPv4	194.171.77.135
IPv6	2001:67c:262c:860::135
Hosting / reverse DNS	rio-kennisbank.duo.nl
Hosting network	AS1103 · SURFNET-NL - SURF B.V., NL
Nameservers	ns1.surfnet.nl, ns1.zurich.surf.net, ns2.surfnet.nl, ns3.surfnet.nl
Mail servers (MX)	grnms101.duo.nl (10), grnms102.duo.nl (10)
HTTP status	302 → /particulier/
TLS certificate	DigiCert Ireland Limited · expires 2027-01-23

Notable DNS TXT records

google-site-verification=Jo-BbRZ-__HSKjce2cgIuEUi9tJDMMeuwuEVpl3Am9o
MS=2A35729DF7B6879605A380199134229FA98192DC
cisco-ci-domain-verification=638367e007ac0876e9c860d9f73c3ed446324f61139de9b6cd0dc6c9900eea58
apple-domain-verification=fFfN7j339skh0Mh1
google-site-verification=CUypQ0HV90dDVOrwS7D_vZ5NAk5lR02MgwbedEEYa1Y
miro-verification=747ea291dc9933216b3ee89c85d886bb58e5ff2a

More .nl domains

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FAQ

What is the IP address of duo.nl?

duo.nl resolves to 194.171.77.135 (rio-kennisbank.duo.nl).

Who issued the SSL certificate for duo.nl?

The TLS/SSL certificate for duo.nl was issued by DigiCert Ireland Limited, valid until 2027-01-23.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains