ictopschool.org - robtex.com

ictopschool.org

DNSSEC⚠️ Not signed
A2001:610:2d8:416::36:163🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
A145.97.36.163🇳🇱 Kennisnet-AS145.97.32.0/20 route object 145.97.32.0/20 - Kennisnet-PCD-NET
NSns01.kennisnet.nl ⭐
A2001:610:2d8:484::34:185🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRns01.kennisnet.nl
A145.97.34.185🇳🇱 Kennisnet-AS145.97.32.0/20 route object 145.97.32.0/20 - Kennisnet-PCD-NET
PTRns01.kennisnet.nl
NSns02.kennisnet.nl
A2001:610:2d8:484::34:186🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
A145.97.34.186🇳🇱 Kennisnet-AS145.97.32.0/20 route object 145.97.32.0/20 - Kennisnet-PCD-NET
PTRns02.kennisnet.nl
NSns03.kennisnet.nl
A2a02:348:1200::266🇳🇱 XL-AS2a02:348:1200::/40 XL Internet Services BV
PTRip-2a02-0348-1200-0000-0000-0000-0000-0266.ams2.resource.cloud
A85.10.184.58🇳🇱 XL-AS85.10.184.0/22
PTRip-85-10-184-58.ams2.resource.cloud
NSns04.kennisnet.nl
A2a02:348:1200::371🇳🇱 XL-AS2a02:348:1200::/40 XL Internet Services BV
PTRip-2a02-0348-1200-0000-0000-0000-0000-0371.ams2.resource.cloud
A85.10.187.79🇳🇱 XL-AS85.10.184.0/22
PTRip-85-10-187-79.ams2.resource.cloud
MXmta1.kennisnet.nl ⭐
A2001:610:2d8:408::36:146🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRmta1.kennisnet.nl
A145.97.36.146🇳🇱 Kennisnet-AS145.97.32.0/20 route object 145.97.32.0/20 - Kennisnet-PCD-NET
PTRmta1.kennisnet.nl
MXmta2.kennisnet.nl ⭐
A2001:610:2d8:408::36:147🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRmta2.kennisnet.nl
A145.97.36.147🇳🇱 Kennisnet-AS145.97.32.0/20 route object 145.97.32.0/20 - Kennisnet-PCD-NET
TXTv=spf1 include:_spf.kennisnet.nl -all
SOAns01.kennisnet.nlhostmaster@kennisnet.org 2024-05-15 #53

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774699817

Same first word

ictopschool.com
ictopschool.be
ictopschool.org
ictopschool.info
ictopschool.net

Similar names

schooloptic.com
topicschool.com
hotcoolpics.blogspot.com
topicschool.org.tw

DNS History

11 records (8 active, 3 former)

20162017201820192020202120222023202420252026NSns01.kennisnet.nlns02.kennisnet.nlns03.kennisnet.nlns04.kennisnet.nlns1.kennisnet.nlns2.kennisnet.nlns3.kennisnet.nlMXmta1.kennisnet.nlmta2.kennisnet.nlA145.97.36.1632001:610:2d8:416::36:163
●NSns01.kennisnet.nl2026-02-15 → 2026-03-28 · 3 obs
○ 2016-12-01 17:16:16
● 2026-02-15 08:52:50
● 2026-03-28 12:30:28
●NSns02.kennisnet.nl2026-02-15 → 2026-03-28 · 3 obs
○ 2016-12-01 17:16:16
● 2026-02-15 08:52:50
● 2026-03-28 12:30:28
●NSns03.kennisnet.nl2026-02-15 → 2026-03-28 · 3 obs
○ 2016-12-01 17:16:16
● 2026-02-15 08:52:50
● 2026-03-28 12:30:28
●NSns04.kennisnet.nl2026-02-15 → 2026-03-28 · 3 obs
○ 2016-12-01 17:16:16
● 2026-02-15 08:52:50
● 2026-03-28 12:30:28
○NSns1.kennisnet.nl2015-07-01 → 2016-12-01 · 4 obs
● 2015-07-01 21:23:52
● 2016-12-01 17:16:16
○ 2026-02-15 08:52:50
○ 2026-03-28 12:30:28
○NSns2.kennisnet.nl2015-07-01 → 2016-12-01 · 4 obs
● 2015-07-01 21:23:52
● 2016-12-01 17:16:16
○ 2026-02-15 08:52:50
○ 2026-03-28 12:30:28
○NSns3.kennisnet.nl2015-07-01 → 2016-12-01 · 4 obs
● 2015-07-01 21:23:52
● 2016-12-01 17:16:16
○ 2026-02-15 08:52:50
○ 2026-03-28 12:30:28
●MXmta1.kennisnet.nl2015-07-01 → 2026-03-28 · 2 obs
● 2015-07-01 21:23:52
● 2026-03-28 12:30:28
●MXmta2.kennisnet.nl2015-07-01 → 2026-03-28 · 2 obs
● 2015-07-01 21:23:52
● 2026-03-28 12:30:28
●A145.97.36.1632015-07-01 → 2026-03-28 · 2 obs
● 2015-07-01 21:23:52
● 2026-03-28 12:30:28
●A2001:610:2d8:416::36:1632015-07-01 → 2026-03-28 · 2 obs
● 2015-07-01 21:23:52
● 2026-03-28 12:30:28

🔍 DNS Trace

Analysis

IP Addresses

ictopschool.org resolves to two IP numbers: 2001:610:2d8:416::36:163 and 145.97.36.163.

other host names including kennisnet.tv, edurep.info, ictopschool.net, beeldinkaart.nl and lessenmaker.nl share IP numbers with ictopschool.org.

Name Servers

ictopschool.org is delegated to four name servers: ns01.kennisnet.nl, ns02.kennisnet.nl, ns03.kennisnet.nl and ns04.kennisnet.nl.

ictopschool.org at least partially shares name servers with other domains, for instance rio-onderwijs.nl, vocontent.nl, leraren-24.tv, kaartinbeeld.nl and wikiwijs-leermiddelenplein.com.

these name servers are commonly used alongside ns2.surfnet.nl.

Host names with two IP numbers:

ns01.kennisnet.nl points to 2001:610:2d8:484::34:185 and 145.97.34.185; ns02.kennisnet.nl points to 2001:610:2d8:484::34:186 and 145.97.34.186; ns03.kennisnet.nl points to 2a02:348:1200::266 and 85.10.184.58; ns04.kennisnet.nl points to 2a02:348:1200::371 and 85.10.187.79.

Mail Servers

Two mail servers handle ictopschool.org: mta1.kennisnet.nl and mta2.kennisnet.nl.

ictopschool.org shares the same mail server setup as other domains, for instance ictopschool.net, beeldinkaart.nl, lessenmaker.nl, edugaming.nl and snkn.nl.

Host names with two IP numbers:

The host name mta1.kennisnet.nl points to 2001:610:2d8:408::36:146 and 145.97.36.146; the host name mta2.kennisnet.nl points to 2001:610:2d8:408::36:147 and 145.97.36.147.