sintro.nl - robtex.com

sintro.nl

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:896e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:56e5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.229Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.110🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelliott.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ce4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelliott.ns.cloudflare.com
A2803:f800:50::6ca2:c3e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelliott.ns.cloudflare.com
A2a06:98c1:50::ac40:23e4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelliott.ns.cloudflare.com
A108.162.195.228🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelliott.ns.cloudflare.com
A162.159.44.228Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelliott.ns.cloudflare.com
A172.64.35.228🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelliott.ns.cloudflare.com
NSliv.ns.cloudflare.com
A2606:4700:50::adf5:3abc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A2803:f800:50::6ca2:c0bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliv.ns.cloudflare.com
A2a06:98c1:50::ac40:20bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliv.ns.cloudflare.com
A108.162.192.188🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A172.64.32.188🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A173.245.58.188🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.229, 172.67.137.110
IPv6 hints2606:4700:3032::ac43:896e, 2606:4700:3035::6815:56e5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=124, name=cloudflare-ech.com
SOAelliott.ns.cloudflare.comdns@cloudflare.com serial=2399893373

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-13 07:30:01 +0000 (EPOCH 1776065401)
SOAns1.dns.nldns@sidn.nl 2026-04-13 #15

Same first word

sintro.org.br
sintro.nl
sintro.com
sintro.de

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DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSelliott.ns.cloudflare.comliv.ns.cloudflare.comns1.sonexo.euns2.sonexo.comA104.21.86.229172.67.137.1102606:4700:3032::ac43:896e2606:4700:3035::6815:56e537.97.135.12993.180.66.111
●NSelliott.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
●NSliv.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
○NSns1.sonexo.eu2015-07-25 → 2017-03-29 · 4 obs
● 2015-07-25 03:48:54
● 2017-03-29 05:51:58
○ 2020-03-19 13:36:20
○ 2026-04-13 08:23:42
○NSns2.sonexo.com2015-07-25 → 2017-03-29 · 4 obs
● 2015-07-25 03:48:54
● 2017-03-29 05:51:58
○ 2020-03-19 13:36:20
○ 2026-04-13 08:23:42
●A104.21.86.2292026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
●A172.67.137.1102026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
●A2606:4700:3032::ac43:896e2026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
●A2606:4700:3035::6815:56e52026-04-10 → 2026-04-13 · 3 obs
○ 2020-03-19 13:36:20
● 2026-04-10 06:52:12
● 2026-04-13 08:23:42
○A37.97.135.1292015-11-29 → 2017-03-29 · 5 obs
○ 2015-07-25 03:48:54
● 2015-11-29 06:44:32
● 2017-03-29 05:51:58
○ 2020-03-19 13:36:20
○ 2026-04-13 08:23:42
○A93.180.66.1112015-07-25 → 2015-07-25 · 3 obs
● 2015-07-25 03:48:54
○ 2015-11-29 06:44:32
○ 2026-04-13 08:23:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
sintro.nlelliott.ns.cloudflare.com, liv.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.188

NS records: elliott.ns.cloudflare.com, liv.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sintro.nl (unsigned zone)

⏱️ Timing

Total: 220ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.86.229, 172.67.137.110
AAAA22606:4700:3032::ac43:896e, 2606:4700:3035::6815:56e5
NS2elliott.ns.cloudflare.com, liv.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elliott.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

sintro.nl maps to four IP numbers: 2606:4700:3032::ac43:896e, 2606:4700:3035::6815:56e5, 104.21.86.229 and 172.67.137.110.

other host names include interfacelab.com, flowapps.info, firebytenetworks.net, rominyc.com and ns3.mobilsube.com.tr; they share IP numbers with sintro.nl.

Name Servers

Two name servers elliott.ns.cloudflare.com and liv.ns.cloudflare.com handle the delegation for sintro.nl.

sintro.nl shares the same name server setup as other domains, for instance prestigesmartcity.info, ngejobs.id, pictureswithoutink.org, epipleon.com.gr and daigiavakieunu.net.

sintro.nl at least partially shares name servers with other domains, for instance rahims.com, ballorig.nl, sisr2007.de, mygenesiswireless.com and webnhamau.com.

Six IP addresses per host:

elliott.ns.cloudflare.com points to 2606:4700:58::a29f:2ce4, 2803:f800:50::6ca2:c3e4, 2a06:98c1:50::ac40:23e4, 108.162.195.228, 162.159.44.228 and 172.64.35.228; liv.ns.cloudflare.com points to 2606:4700:50::adf5:3abc, 2803:f800:50::6ca2:c0bc, 2a06:98c1:50::ac40:20bc, 108.162.192.188, 172.64.32.188 and 173.245.58.188