congresburo.nl - robtex.com

congresburo.nl

DNSSEC⚠️ Not signed
A62.221.197.112🇳🇱 CLDIN-NL62.221.192.0/19
PTRv39098.2is.nl
NSns03.2is.nl ⭐
A2001:1460:3:4:1c00:b4ff:fe00:270a🇳🇱 CLDIN-NL2001:1460::/32
PTRns03.2is.nl
A62.221.202.199🇳🇱 CLDIN-NL62.221.192.0/19
PTRns03.2is.nl
NSns04.2is.be
A2001:1460:2:2:1c00:4eff:fe00:2bf6🇳🇱 CLDIN-NL2001:1460::/32
PTRns04.2is.be
PTRns04b.2is.be
A62.221.197.54🇳🇱 CLDIN-NL62.221.192.0/19
PTRns04.2is.be
NSns05.2is.nl
A2a0d:7980:2:100:881:27ff:fe7a:1de9🇳🇱 UPCLOUD2a0d:7980:2::/48
A194.107.180.31🇳🇱 UPCLOUD194.107.180.0/24
PTRhosted-by.savvii.com
MXspamblock2.scalasolutions.nl ⭐
A5.255.89.54🇳🇱 ScalaSolutions-AS5.255.89.0/24 Scala Solutions route object
PTResa3.scalasolutions.nl
MXspamblock1.scalasolutions.nl(20)
A5.255.89.53🇳🇱 ScalaSolutions-AS5.255.89.0/24 Scala Solutions route object
PTResa2.scalasolutions.nl
MXfallback.congresburo.nl(30)
A184.106.224.21🇺🇸 RACKSPACE-ORD184.106.128.0/17 Rackspace ORD
TXTv=spf1 include:spf.spamservice.nl mx a ~all
SOAns03.2is.nldomain-admin@2is.nl 2026-04-09 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-12 00:30:02 +0000 (EPOCH 1775953802)
SOAns1.dns.nldns@sidn.nl 2026-04-12 #1

Same first word

congresburo.nl
congresburo.com

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns03.2is.nlns04.2is.bens05.2is.nlMXfallback.congresburo.nlspamblock1.scalasolutions.nlspamblock2.scalasolutions.nlA62.221.197.11262.221.204.39
●NSns03.2is.nl2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●NSns04.2is.be2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●NSns05.2is.nl2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●MXfallback.congresburo.nl2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●MXspamblock1.scalasolutions.nl2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●MXspamblock2.scalasolutions.nl2015-07-20 → 2026-04-12 · 2 obs
● 2015-07-20 10:48:56
● 2026-04-12 01:05:58
●A62.221.197.1122020-02-02 → 2026-04-12 · 3 obs
○ 2017-02-19 12:03:00
● 2020-02-02 23:49:26
● 2026-04-12 01:05:58
○A62.221.204.392015-07-20 → 2017-02-19 · 4 obs
● 2015-07-20 10:48:56
● 2017-02-19 12:03:00
○ 2020-02-02 23:49:26
○ 2026-04-12 01:05:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
congresburo.nlns03.2is.nl, ns04.2is.be, ns05.2is.nl-

✅ Authoritative Response

Server:194.107.180.31

NS records: ns03.2is.nl, ns04.2is.be, ns05.2is.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

TypeCountSample Data
A162.221.197.112
NS3ns05.2is.nl, ns03.2is.nl...
MX3spamblock2.scalasolutions.nl (pri: 10), fallback.congresburo.nl (pri: 30)...
TXT1v=spf1 include:spf.spamservice.nl mx a ~
SOA1ns03.2is.nl domain-admin.2is.nl

Analysis

IP Addresses

congresburo.nl points to a single IP: 62.221.197.112.

Other host names, for example congresbureau.nl, pinoproductions.nl, pino.nl and v39098.2is.nl share IP numbers with congresburo.nl.

Name Servers

congresburo.nl is delegated to three name servers: ns04.2is.be, ns03.2is.nl and ns05.2is.nl.

congresburo.nl partially shares name servers with other domains; examples include onairmiles.net, rjshipping.nl, lamyshop.nl, ivbo.nl and abortus.com.

These name servers are commonly used with dns0.domeinbalie.nl, dns1.domeinbalie.nl, dns2.domeinbalie.org, ns1.movaworks.com, ns2.movaworks.com and ns3.movaworks.com.

Host names with two IP numbers:

ns04.2is.be points to 2001:1460:2:2:1c00:4eff:fe00:2bf6 and 62.221.197.54.

ns03.2is.nl points to 2001:1460:3:4:1c00:b4ff:fe00:270a and 62.221.202.199.

ns05.2is.nl points to 2a0d:7980:2:100:881:27ff:fe7a:1de9 and 194.107.180.31.

Mail Servers

congresburo.nl is handled by three mail servers: fallback.congresburo.nl, spamblock1.scalasolutions.nl and spamblock2.scalasolutions.nl.

congresburo.nl shares some mail servers with other domains, at least partially, such as vanessen.biz, ringband.nl, klantgegevens.com, officepower.nl and adfolive.nl.

Host names with one IP number:

Host fallback.congresburo.nl points to 184.106.224.21.

Host spamblock1.scalasolutions.nl points to 5.255.89.53.

Host spamblock2.scalasolutions.nl points to 5.255.89.54.