`fallback.congresburo.nl`

	DNSSEC	⚠️ Not signed
	A	184.106.224.21^{🇺🇸 RACKSPACE-ORD184.106.128.0/17 Rackspace ORD}

`congresburo.nl`

	DNSSEC	🔒 Signed (DS record present)
	A	62.221.197.112^{🇳🇱 CLDIN-NL62.221.192.0/19}
	NS	`ns03.2is.nl` ⭐
	NS	`ns04.2is.be`
	NS	`ns05.2is.nl`
	MX	`spamblock2.scalasolutions.nl` ⭐
	MX	`spamblock1.scalasolutions.nl`⁽²⁰⁾
	MX	`fallback.congresburo.nl`⁽³⁰⁾
	TXT	`v=spf1 include:spf.spamservice.nl mx a ~all`
	SOA	`ns03.2is.nl`domain-admin@2is.nl 2026-04-09 #1

MX for

congresburo.nl

Same first word

fallback.ru

fallback.de

fallback.ca

fallback.it

fallback.zone

fallback.us

fallback.be

fallback.nl

fallback.net

fallback.info

fallback.mx

fallback.fr

fallback.at

fallback.org

fallback.biz

fallback.io

DNS History

1 record (1 active, 0 former)

●A184.106.224.212015-08-04 → 2026-04-12 · 2 obs

● 2015-08-04 17:17:28
● 2026-04-12 23:30:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns4.dns.nl, ns1.dns.nl	-
congresburo.nl	ns03.2is.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: 3636ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`184.106.224.21`

Analysis

Mail Server Role

fallback.congresburo.nl handles mail for congresburo.nl.

spamblock1.scalasolutions.nl and spamblock2.scalasolutions.nl are commonly used as mail servers along with fallback.congresburo.nl.

IP Addresses

fallback.congresburo.nl points to a single IP address: 184.106.224.21.

Other host names such as mail-fb.dezalmhaven.com, mail-fb.iamyou.nl, fallback.pinoproductions.nl, fallback.haba.nl and fallback.dentline.nl share IPs with fallback.congresburo.nl.

fallback.congresburo.nl - robtex.com