CF1762970253059-tsm20251109205412

WWW.RTSAK.COM - openonderwijsapi.nl

Search for IP or hostnames:

openonderwijsapi.nl checked at 2025-11-12T17:57:33.038Z 884ms 143/143/143 100% R:15 allDone:true timedOut:false

openonderwijsapi.nl

MXmx10.surfmailfilter.nl
A2001:610:188:173:192:87:106:168 πŸ‡³πŸ‡± SURF
A192.87.106.168πŸ‡³πŸ‡± SURF
PTRmx10.surfmailfilter.nl
MXmx11.surfmailfilter.nl
A2001:610:1:40ab:195:169:13:8 πŸ‡³πŸ‡± SURF
PTRmx11.surfmailfilter.nl
A195.169.13.8πŸ‡³πŸ‡± SURF
PTRmx11.surfmailfilter.nl
NSns1.surfnet.nl
A2001:610:1:800a:192:87:106:101 πŸ‡³πŸ‡± SURF
PTRns1.surfnet.nl
A192.87.106.101πŸ‡³πŸ‡± SURF
PTRns1.surfnet.nl
NSns2.surfnet.nl
A2001:610:3:200a:192:87:36:2 πŸ‡³πŸ‡± SURF
PTRns2.surfnet.nl
A192.87.36.2πŸ‡³πŸ‡± SURF
PTRns2.surfnet.nl
NSns3.surfnet.nl
A2001:610:0:800c:195:169:124:71 πŸ‡³πŸ‡± SURF
PTRns3.surfnet.nl
A195.169.124.71πŸ‡³πŸ‡± SURF
NSns1.zurich.surf.net
A2001:620:0:9::1103 πŸ‡¨πŸ‡­ SWITCH
PTRns1.zurich.surf.net
A195.176.255.9πŸ‡¨πŸ‡­ SWITCH
PTRns1.zurich.surf.net
A2606:50c0:8000::153 πŸ‡ΊπŸ‡Έ Fastly
A2606:50c0:8001::153 πŸ‡ΊπŸ‡Έ Fastly
A2606:50c0:8002::153 πŸ‡ΊπŸ‡Έ Fastly
A2606:50c0:8003::153 πŸ‡ΊπŸ‡Έ Fastly
A185.199.108.153πŸ‡ΊπŸ‡Έ Fastly
PTRcdn-185-199-108-153.github.com
A185.199.109.153πŸ‡ΊπŸ‡Έ Fastly
PTRcdn-185-199-109-153.github.com
A185.199.110.153πŸ‡ΊπŸ‡Έ Fastly
PTRcdn-185-199-110-153.github.com
A185.199.111.153πŸ‡ΊπŸ‡Έ Fastly
PTRcdn-185-199-111-153.github.com

nl

NSns1.dns.nl
NSns3.dns.nl
NSns4.dns.nl

Starts with same word

Starts similarily

AI analysis

openonderwijsapi.nl points to eight IP numbers: 2606:50c0:8000::153, 2606:50c0:8001::153, 2606:50c0:8002::153, 2606:50c0:8003::153, 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Other host names, for instance younow.github.io, muddycwtch.com, dinnrit.com, steventhanna.github.io and salvatoregiorgi.com share IP numbers with openonderwijsapi.nl.

openonderwijsapi.nl is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.

openonderwijsapi.nl at least partially shares name servers with other domains such as deoerakker.nl, 87.87.192.in-addr.arpa, boerhavenet.nl, cmbi.umcn.nl and helicon.nl.

these name servers are commonly used with ns-ext-01.wur.nl, umcdns03.azn.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl, ns1.ssc-campus.nl and ns2.ssc-campus.nl.

Host names with two IP numbers:

ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101

ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2

ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71

ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9

Two mail servers handle openonderwijsapi.nl: mx10.surfmailfilter.nl and mx11.surfmailfilter.nl.

openonderwijsapi.nl shares the same mail server setup as other domains, including ebola-informatiepunt.nl, nederlandsvaccininstituut.org, isotopes.nl, zuyduniversity.nl and gezondedagopvang.nl.

openonderwijsapi.nl shares mail servers with other domains, at least partially, for instance aerestrainingcentre.nl, aeresvmbo.nl, cah.nl and invivonmr.uu.nl.

Host names with two IPs:

mx10.surfmailfilter.nl points to 2001:610:188:173:192:87:106:168 and 192.87.106.168.

mx11.surfmailfilter.nl points to 2001:610:1:40ab:195:169:13:8 and 195.169.13.8.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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