school-computer.nl - robtex.com

school-computer.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2f9bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3030::ac43:94ddπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.47.155Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.148.221πŸ‡ΊπŸ‡Έ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSignat.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c13πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A2803:f800:50::6ca2:c313πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRignat.ns.cloudflare.com
A2a06:98c1:50::ac40:2313πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRignat.ns.cloudflare.com
A108.162.195.19πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A162.159.44.19Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
A172.64.35.19πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRignat.ns.cloudflare.com
NSziggy.ns.cloudflare.com
A2606:4700:50::a29f:26edπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A2803:f800:50::6ca2:c2edπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRziggy.ns.cloudflare.com
A2a06:98c1:50::ac40:22edπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRziggy.ns.cloudflare.com
A108.162.194.237πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A162.159.38.237Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A172.64.34.237πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.47.155, 172.67.148.221
IPv6 hints2606:4700:3030::6815:2f9b, 2606:4700:3030::ac43:94dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOAignat.ns.cloudflare.comdns@cloudflare.com serial=2405610832

nl

DNSSECπŸ”’ Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-06-16 13:30:02 +0000 (EPOCH 1781616602)
SOAns1.dns.nldns@sidn.nl 2026-06-16 #27

Same first word

Similar names

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSignat.ns.cloudflare.comziggy.ns.cloudflare.comns01.is.nlns02.is.nlns03.is.nlMXetrn.is.nlmx.is.nlA104.21.47.155172.67.148.2212606:4700:3030::6815:2f9b2606:4700:3030::ac43:94dd213.133.34.224
●NSignat.ns.cloudflare.com2026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16
β—‹NSns01.is.nl2015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
β—‹NSns02.is.nl2015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
β—‹NSns03.is.nl2015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
●NSziggy.ns.cloudflare.com2026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16
β—‹MXetrn.is.nl2015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
β—‹MXmx.is.nl2015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
●A104.21.47.1552026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16
●A172.67.148.2212026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16
β—‹A213.133.34.2242015-06-08 β†’ 2016-12-24 Β· 4 obs
● 2015-06-08 07:38:42
● 2016-12-24 12:20:02
β—‹ 2018-07-02 09:49:10
β—‹ 2026-06-16 14:15:16
●A2606:4700:3030::6815:2f9b2026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16
●A2606:4700:3030::ac43:94dd2026-06-02 β†’ 2026-06-16 Β· 3 obs
β—‹ 2018-07-02 09:49:10
● 2026-06-02 15:20:56
● 2026-06-16 14:15:16

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns4.dns.nl, ns1.dns.nl-
school-computer.nlignat.ns.cloudflare.com, ziggy.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.237

NS records: ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for school-computer.nl (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.47.155, 172.67.148.221
AAAA22606:4700:3030::ac43:94dd, 2606:4700:3030::6815:2f9b
NS2ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ignat.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

school-computer.nl directs to four IP numbers, which are 104.21.47.155, 172.67.148.221, 2606:4700:3030::6815:2f9b and 2606:4700:3030::ac43:94dd.

lorellmanagement.com, beathunt.com, www.rpmware.com plus two other host names have IP numbers in common with school-computer.nl.

Name Servers

school-computer.nl is delegated to two name servers: ignat.ns.cloudflare.com and ziggy.ns.cloudflare.com.

The name server configuration of school-computer.nl is shared with other domains, for instance 1764.io, parfumeriewinkelonline.nl, shbet68.net and two others.

There is at least partial name server overlap between school-computer.nl and other domains β€” bbs-wheels.com.ua, anonymous.wtf, high-school.com and two more among them.

These name servers tend to appear in combination with the name servers jihoon.ns.cloudflare.com, lamar.ns.cloudflare.com, joan.ns.cloudflare.com and raphaela.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ignat.ns.cloudflare.com resolves to 108.162.195.19, 162.159.44.19, 172.64.35.19 and 3 other IP addresses.

ziggy.ns.cloudflare.com resolves to 108.162.194.237, 162.159.38.237, 172.64.34.237 and 3 other IP addresses.