www.dataone.nl - robtex.com

www.dataone.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d21e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:1035🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.53Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.30🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.53, 172.67.210.30
IPv6 hints2606:4700:3030::ac43:d21e, 2606:4700:3031::6815:1035
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com

dataone.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d21e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:1035🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.53Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.30🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NStess.ns.cloudflare.com ⭐
NSvern.ns.cloudflare.com
MXmail.dataone.nl ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.53, 172.67.210.30
IPv6 hints2606:4700:3030::ac43:d21e, 2606:4700:3031::6815:1035
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOAtess.ns.cloudflare.comdns@cloudflare.com serial=2400779539

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.16.53172.67.210.302606:4700:3030::ac43:d21e2606:4700:3031::6815:1035104.31.90.59104.31.91.592400:cb00:2048:1::681f:5a3b2400:cb00:2048:1::681f:5b3b80.82.71.31
●A104.21.16.532026-02-15 → 2026-04-12 · 3 obs
○ 2017-02-04 15:55:12
● 2026-02-15 15:46:14
● 2026-04-12 18:18:12
○A104.31.90.592016-04-27 → 2017-02-04 · 5 obs
○ 2016-02-08 00:11:08
● 2016-04-27 00:33:36
● 2017-02-04 15:55:12
○ 2026-02-15 15:46:14
○ 2026-04-12 18:18:12
○A104.31.91.592016-04-27 → 2017-02-04 · 5 obs
○ 2016-02-08 00:11:08
● 2016-04-27 00:33:36
● 2017-02-04 15:55:12
○ 2026-02-15 15:46:14
○ 2026-04-12 18:18:12
●A172.67.210.302026-02-15 → 2026-04-12 · 3 obs
○ 2017-02-04 15:55:12
● 2026-02-15 15:46:14
● 2026-04-12 18:18:12
○A2400:cb00:2048:1::681f:5a3b2017-02-04 → 2017-02-04 · 4 obs
○ 2016-04-27 00:33:36
● 2017-02-04 15:55:12
○ 2026-02-15 15:46:14
○ 2026-04-12 18:18:12
○A2400:cb00:2048:1::681f:5b3b2017-02-04 → 2017-02-04 · 4 obs
○ 2016-04-27 00:33:36
● 2017-02-04 15:55:12
○ 2026-02-15 15:46:14
○ 2026-04-12 18:18:12
●A2606:4700:3030::ac43:d21e2026-02-15 → 2026-04-12 · 3 obs
○ 2017-02-04 15:55:12
● 2026-02-15 15:46:14
● 2026-04-12 18:18:12
●A2606:4700:3031::6815:10352026-02-15 → 2026-04-12 · 3 obs
○ 2017-02-04 15:55:12
● 2026-02-15 15:46:14
● 2026-04-12 18:18:12
○A80.82.71.312015-06-10 → 2016-02-08 · 4 obs
● 2015-06-10 15:06:36
● 2016-02-08 00:11:08
○ 2016-04-27 00:33:36
○ 2026-04-12 18:18:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
dataone.nltess.ns.cloudflare.com, vern.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.227

NS records: tess.ns.cloudflare.com, vern.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dataone.nl (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.53, 172.67.210.30
AAAA22606:4700:3031::6815:1035, 2606:4700:3030::ac43:d21e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.dataone.nl maps to four IP numbers: 2606:4700:3030::ac43:d21e, 2606:4700:3031::6815:1035, 104.21.16.53 and 172.67.210.30.

Other host names, for instance www.citystrides.com, troius.com, zzxyysp.com, dataone.nl and www.wrestlestat.com share IP numbers with www.dataone.nl.