isacert.nl - robtex.com

isacert.nl

DNSSEC⚠️ Not signed
A2a00:7c80:0:165::a123🇳🇱 WORLDSTREAM-12a00:7c80::/32 WorldStream IPv6
PTRcentrum.interip.nl
A195.128.184.123🇳🇱 WORLDSTREAM-1195.128.184.0/23 InterIP Network
NSdns1.interip.nl ⭐
A2a00:7c80:0:165:184::121🇳🇱 WORLDSTREAM-12a00:7c80::/32 WorldStream IPv6
A195.128.184.121🇳🇱 WORLDSTREAM-1195.128.184.0/23 InterIP Network
NSdns2.interip.nl
A2a00:7c80:0:165:184::122🇳🇱 WORLDSTREAM-12a00:7c80::/32 WorldStream IPv6
A195.128.184.122🇳🇱 WORLDSTREAM-1195.128.184.0/23 InterIP Network
NSdns3.interip.net
A2001:41d0:305:2100::1925🇫🇷 OVH2001:41d0::/32 IPv6
A51.75.28.184🇸🇦 OVH51.75.0.0/16
PTR184.ip-51-75-28.eu
MXmx.spamexperts.com ⭐
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
MXfallbackmx.spamexperts.eu(10)
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A2001:550:2:61::2fc:100🇺🇸 COGENT2001:550::/32 Cogent Communications
A2001:550:2:78::ca:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe3-r2-in.atl06.l.antispamcloud.com
A38.71.16.244🇺🇸 AS1663338.71.16.0/24
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
A38.101.250.150🇺🇸 AS1663338.101.250.0/24
PTRfe3-r2-in.atl06.l.antispamcloud.com
MXlastmx.spamexperts.net(20)
A2001:550:2:3::62:100🇺🇸 COGENT2001:550::/32 Cogent Communications
PTRfe2-r2-in.la10.l.antispamcloud.com
A2001:550:2:61::2fc:100🇺🇸 COGENT2001:550::/32 Cogent Communications
A2001:978:2:7::162:100🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH
PTRfe1-r3-in.fra02.l.antispamcloud.com
A2001:978:2:2c::137:100🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH
PTRfe2-r3-in.ams14.l.antispamcloud.com
A38.71.16.244🇺🇸 AS1663338.71.16.0/24
PTRfe2-r2-in.la10.l.antispamcloud.com
A38.89.254.156🇺🇸 AS1663338.89.254.0/23
PTRfe1-r2-in.ch03.l.antispamcloud.com
A149.13.75.27🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH
PTRfe1-r3-in.fra02.l.antispamcloud.com
A154.59.104.23🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH
PTRfe2-r3-in.ams14.l.antispamcloud.com
TXTv=spf1 mx a include:spf.interip.nl ~all
SOAdns1.interip.nlhostmaster@interip.nl 2023-08-05 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-13 23:00:02 +0000 (EPOCH 1776121202)
SOAns1.dns.nldns@sidn.nl 2026-04-13 #45

Same first word

isacert.nl
isacert.com

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DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSdns1.interip.nldns2.interip.nldns3.interip.netns1.evidence-hosting.nlns1.uniweb.bens2.evidence-hosting.nlns2.uniweb.beMXfallbackmx.spamexperts.eulastmx.spamexperts.netmx.spamexperts.comisacert-nl.mail.eo.outlook.comisacert-nl.mail.protection.outlook.comA195.128.184.1232a00:7c80:0:165::a12331.7.6.23185.119.187.98
●NSdns1.interip.nl2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
●NSdns2.interip.nl2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
●NSdns3.interip.net2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
○NSns1.evidence-hosting.nl2015-08-02 → 2015-11-23 · 4 obs
● 2015-08-02 17:59:34
● 2015-11-23 06:03:32
○ 2016-03-02 17:31:52
○ 2026-04-13 23:46:08
○NSns1.uniweb.be2016-03-02 → 2017-04-21 · 5 obs
○ 2015-11-23 06:03:32
● 2016-03-02 17:31:52
● 2017-04-21 03:30:04
○ 2026-04-07 20:36:16
○ 2026-04-13 23:46:08
○NSns2.evidence-hosting.nl2015-08-02 → 2015-11-23 · 4 obs
● 2015-08-02 17:59:34
● 2015-11-23 06:03:32
○ 2016-03-02 17:31:52
○ 2026-04-13 23:46:08
○NSns2.uniweb.be2016-03-02 → 2017-04-21 · 5 obs
○ 2015-11-23 06:03:32
● 2016-03-02 17:31:52
● 2017-04-21 03:30:04
○ 2026-04-07 20:36:16
○ 2026-04-13 23:46:08
●MXfallbackmx.spamexperts.eu2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
○MXisacert-nl.mail.eo.outlook.com2015-08-02 → 2016-09-21 · 4 obs
● 2015-08-02 17:59:34
● 2016-09-21 19:52:04
○ 2017-04-21 03:30:04
○ 2026-04-13 23:46:08
○MXisacert-nl.mail.protection.outlook.com2017-04-21 → 2017-04-21 · 4 obs
○ 2016-09-21 19:52:04
● 2017-04-21 03:30:04
○ 2026-04-07 20:36:16
○ 2026-04-13 23:46:08
●MXlastmx.spamexperts.net2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
●MXmx.spamexperts.com2026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
●A195.128.184.1232026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
●A2a00:7c80:0:165::a1232026-04-07 → 2026-04-13 · 3 obs
○ 2017-04-21 03:30:04
● 2026-04-07 20:36:16
● 2026-04-13 23:46:08
○A31.7.6.2312015-08-02 → 2015-11-23 · 4 obs
● 2015-08-02 17:59:34
● 2015-11-23 06:03:32
○ 2016-03-02 17:31:52
○ 2026-04-13 23:46:08
○A85.119.187.982016-03-02 → 2017-04-21 · 5 obs
○ 2015-11-23 06:03:32
● 2016-03-02 17:31:52
● 2017-04-21 03:30:04
○ 2026-04-07 20:36:16
○ 2026-04-13 23:46:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
isacert.nldns1.interip.nl, dns2.interip.nl, dns3.interip.net4 records

✅ Authoritative Response

Server:51.75.28.184

NS records: dns1.interip.nl, dns2.interip.nl, dns3.interip.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isacert.nl (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

TypeCountSample Data
A1195.128.184.123
AAAA12a00:7c80:0:165::a123
NS3dns1.interip.nl, dns3.interip.net...
MX3mx.spamexperts.com (pri: 0), lastmx.spamexperts.net (pri: 20)...
TXT1v=spf1 mx a include:spf.interip.nl ~all
SOA1dns1.interip.nl hostmaster.interip.nl

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.interip.nl, dns2.interip.nl, dns1.interip.nl...)

Analysis

IP Addresses

isacert.nl resolves to two IP numbers: 2a00:7c80:0:165::a123 and 195.128.184.123.

other host names including victorycosmetics.eu, kimmc.nl, tempodium.nl, www.monclernederland.nl and kookforum.be share IP numbers with isacert.nl.

Name Servers

isacert.nl is delegated to three name servers dns3.interip.net, dns1.interip.nl and dns2.interip.nl.

isacert.nl at least partially shares name servers with other domains, for instance eduardbosch.nl, dcmagri.com, glasbalustrade.nl, oenkenstein.nl and pakkiedeftig.nl.

Host names with two IP numbers:

dns3.interip.net points to: 2001:41d0:305:2100::1925 and 51.75.28.184.

dns1.interip.nl points to: 2a00:7c80:0:165:184::121 and 195.128.184.121.

dns2.interip.nl points to: 2a00:7c80:0:165:184::122 and 195.128.184.122.

Mail Servers

isacert.nl is handled by three mail servers: mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.

isacert.nl shares some mail servers with other domains, at least partially, for instance pafjpmc.org, compuwrite.com, doktersadvies.nl, coppermarkbuilders.com and netzcocktail.de.

Host names with eight IP numbers point to: 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:978:2:7::162:100, 2001:978:2:2c::137:100, 38.71.16.244, 38.89.254.156, 149.13.75.27 and 154.59.104.23.

Host names with six IP numbers point to: 2001:550:2:3::62:100, 2001:550:2:61::2fc:100, 2001:550:2:78::ca:100, 38.71.16.244, 38.89.254.156 and 38.101.250.150.

Host names with two IP numbers point to: 2001:550:2:3::62:100 and 38.89.254.156.

Host names pointing to 2001:550:2:3::62:100: lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com.

Host names pointing to 2001:550:2:61::2fc:100: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.

Host names pointing to 38.71.16.244: lastmx.spamexperts.net and fallbackmx.spamexperts.eu.

Host names pointing to 38.89.254.156: lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com.