itacademy.nl - robtex.com

itacademy.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A91.196.105.71๐Ÿ‡ณ๐Ÿ‡ฑ DUOCAST-AS91.196.105.0/24
PTRh91-196-105-71.warpnet.nl
NSns1.surfnet.nl โญ
A2001:610:1:800a:192:87:106:101๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRns1.surfnet.nl
A192.87.106.101๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV
PTRns1.surfnet.nl
NSns1.zurich.surf.net
A2001:620:0:9::1103๐Ÿ‡จ๐Ÿ‡ญ Switch2001:620::/32 SWITCH, The Swiss Education & Research Network
PTRns1.zurich.surf.net
A195.176.255.9๐Ÿ‡จ๐Ÿ‡ญ Switch195.176.224.0/19 SWITCH-AGGR.102
PTRns1.zurich.surf.net
NSns2.surfnet.nl
A2001:610:3:200a:192:87:36:2๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRns2.surfnet.nl
A192.87.36.2๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV
PTRns2.surfnet.nl
NSns3.surfnet.nl
A2001:610:0:800c:195:169:124:71๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRns3.surfnet.nl
A195.169.124.71๐Ÿ‡ณ๐Ÿ‡ฑ SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c23::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A142.251.163.27๐Ÿ‡บ๐Ÿ‡ธ Google142.251.163.0/24
PTRwv-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c14::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A192.178.234.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.0.0/15
PTRncsclj-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(30)
A2a00:1450:4009:c0f::1a๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(30)
A2a00:1450:400c:c23::1a๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArSavF...
TXTgoogle-site-verification=zazCK60gWcS7wGWWkr1RkwemNsY_O6Ta-F7POXQWSa4
TXTv=spf1 a mx include:_spf.hosting.iwink.nl include:_spf.google.com ~all
SOAns1.surfnet.nldns-beheer@surf.nl 2026-08-13 #1

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-14 13:00:01 +0000 (EPOCH 1786712401)
SOAns1.dns.nldns@sidn.nl 2026-08-14 #26

Same first word

Similar names

DNS History

14 records (10 active, 4 former)

20162017201820192020202120222023202420252026NSns1.surfnet.nlns1.zurich.surf.netns2.surfnet.nlns3.surfnet.nlns1.bedrijvenweb.nlns1.dn-s.nlns2.bedrijvenweb.nlns2.dn-s.nlMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA91.196.105.71
โ—‹NSns1.bedrijvenweb.nl2015-07-11 โ†’ 2016-02-22 ยท 4 obs
โ— 2015-07-11 09:56:48
โ— 2016-02-22 23:15:36
โ—‹ 2016-12-04 11:43:54
โ—‹ 2026-08-14 13:21:40
โ—‹NSns1.dn-s.nl2016-12-04 โ†’ 2017-12-08 ยท 5 obs
โ—‹ 2016-02-22 23:15:36
โ— 2016-12-04 11:43:54
โ— 2017-12-08 16:23:36
โ—‹ 2026-06-10 05:12:08
โ—‹ 2026-08-14 13:21:40
โ—NSns1.surfnet.nl2026-06-10 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2017-12-08 16:23:36
โ— 2026-06-10 05:12:08
โ— 2026-08-14 13:21:40
โ—NSns1.zurich.surf.net2026-06-10 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2017-12-08 16:23:36
โ— 2026-06-10 05:12:08
โ— 2026-08-14 13:21:40
โ—‹NSns2.bedrijvenweb.nl2015-07-11 โ†’ 2016-02-22 ยท 4 obs
โ— 2015-07-11 09:56:48
โ— 2016-02-22 23:15:36
โ—‹ 2016-12-04 11:43:54
โ—‹ 2026-08-14 13:21:40
โ—‹NSns2.dn-s.nl2016-12-04 โ†’ 2017-12-08 ยท 5 obs
โ—‹ 2016-02-22 23:15:36
โ— 2016-12-04 11:43:54
โ— 2017-12-08 16:23:36
โ—‹ 2026-06-10 05:12:08
โ—‹ 2026-08-14 13:21:40
โ—NSns2.surfnet.nl2026-06-10 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2017-12-08 16:23:36
โ— 2026-06-10 05:12:08
โ— 2026-08-14 13:21:40
โ—NSns3.surfnet.nl2026-06-10 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2017-12-08 16:23:36
โ— 2026-06-10 05:12:08
โ— 2026-08-14 13:21:40
โ—MXalt1.aspmx.l.google.com2015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40
โ—MXalt2.aspmx.l.google.com2015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40
โ—MXalt3.aspmx.l.google.com2015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40
โ—MXalt4.aspmx.l.google.com2015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40
โ—MXaspmx.l.google.com2015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40
โ—A91.196.105.712015-07-11 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-11 09:56:48
โ— 2026-08-14 13:21:40

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns4.dns.nl, ns1.dns.nl, ns3.dns.nl-
itacademy.nlns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net, ns1.surfnet.nl6 records

โœ… Authoritative Response

Server:192.87.36.2

NS records: ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net, ns1.surfnet.nl

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 849ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A191.196.105.71
NS4ns1.surfnet.nl, ns1.zurich.surf.net...
MX5ALT1.ASPMX.L.GOOGLE.COM (pri: 20), ASPMX.L.GOOGLE.COM (pri: 10)...
TXT3v=spf1 a mx include:_spf.hosting.iwink.n, v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkq...
SOA1ns1.surfnet.nl dns-beheer.surf.nl

๐Ÿ“Œ Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.surfnet.nl, ns2.surfnet.nl, ns1.surfnet.nl...)

Analysis

IP Addresses

itacademy.nl directs to one IP number, which is 91.196.105.71.

Among the host names that share IP numbers with itacademy.nl are mail.rollecategroup.nl, rodi-petfood.be, mx2.effektiefgroep.nl and two others.

Name Servers

The domain itacademy.nl is delegated to these four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.

The name servers of itacademy.nl overlap at least partially with those of other domains โ€” among them livinglabsecurity.nl, wau.nl, degroterecessie.nl and two more.

These name servers commonly appear in delegations together with ns6.eur.nl, ns1.ssc-campus.nl, ns2.ssc-campus.nl and 7 other.

Each of the four hosts ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net has two IP addresses. ns1.surfnet.nl points to 192.87.106.101 and 2001:610:1:800a:192:87:106:101. ns2.surfnet.nl points to 192.87.36.2 and 2001:610:3:200a:192:87:36:2. ns3.surfnet.nl points to 195.169.124.71 and 2001:610:0:800c:195:169:124:71. ns1.zurich.surf.net points to 195.176.255.9 and 2001:620:0:9::1103.

Mail Servers

itacademy.nl has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

itacademy.nl shares at least some of its mail servers with other domains โ€” for example ns500698.ns500698.ns500758.ns500759.ns500735.ns500735.ns500735.ns500698.ns500708.ns500708.ns500652.ns500576.trackreceptor.com, ns500693.ns500693.ns500693.ns500693.ns500734.ns500693.ns500699.ns500612.ns500632.ns500588.ns500588.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ns500698.ns500698.ns500698.ns500758.ns500698.ns500698.ns500735.ns500735.ns500735.ns500576.ns500698.ns500576.ns500698.ns500576.ns500652.ns500652.ns500619.trackreceptor.com and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com has two IP addresses: 142.251.163.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.