`fallback.rfbtraining.com`

DNSSEC	⚠️ Not signed
A	185.37.70.41^{🇳🇱 CLDIN-NL185.37.68.0/22}
		PTR	`server043.yourhosting.nl`

`rfbtraining.com`

	DNSSEC	⚠️ Not signed
	A	185.37.70.41^{🇳🇱 CLDIN-NL185.37.68.0/22}
	NS	`ns3.firstfind.nl` ⭐
	NS	`ns4.firstfind.nl`
	NS	`ns5.firstfind.net`
	MX	`primary.yourfilter.nl` ⭐
	MX	`fallback.yourfilter.nl`⁽²⁰⁾
	TXT	`v=spf1 a mx include:_spf.yourfilter.nl -all`
	SOA	`ns3.firstfind.nl`hostmaster@firstfind@nl 2020-09-25 #1

Previously MX for

rfbtraining.com

Same first word

fallback.nl

fallback.net

fallback.info

fallback.mx

fallback.fr

fallback.at

fallback.org

fallback.biz

fallback.com

fallback.io

fallback.ru

fallback.de

fallback.ca

fallback.it

fallback.zone

fallback.us

fallback.be

DNS History

2 records (1 active, 1 former)

●A185.37.70.412026-03-15 → 2026-05-13 · 3 obs

○ 2016-05-07 11:16:56
● 2026-03-15 05:53:18
● 2026-05-13 17:50:10

○A82.94.160.2352015-06-18 → 2016-05-07 · 4 obs

● 2015-06-18 07:32:40
● 2016-05-07 11:16:56
○ 2026-03-15 05:53:18
○ 2026-05-13 17:50:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rfbtraining.com	ns4.firstfind.nl, ns3.firstfind.nl, ns5.firstfind.net	-

✅ Authoritative Response

Server:5.157.86.222

NS records: ns4.firstfind.nl, ns3.firstfind.nl, ns5.firstfind.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfbtraining.com (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.37.70.41`

Analysis

IP Addresses

fallback.rfbtraining.com points to a single IP number: 185.37.70.41.

other host names for instance meetec.nl, j-con.nl, beyondcursus.nl, smallegange.net and alfagiulia.nl share IP numbers with fallback.rfbtraining.com.

fallback.rfbtraining.com - robtex.com