`mail.openitdays.com`

DNSSEC	⚠️ Not signed
A	91.184.0.200^{🇩🇰 ONECOM91.184.0.0/19}
		PTR	`balancing.hostnet.nl`

`openitdays.com`

	DNSSEC	⚠️ Not signed
	A	2a02:2268:1:0:f816:3eff:fe7b:63c6^{🇳🇱 HOSTNET2a02:2268::/32}
	A	91.184.0.200^{🇩🇰 ONECOM91.184.0.0/19}
	NS	`ns01.hostnet.nl` ⭐
	NS	`ns02.hostnet.nl`
	TXT	`v=spf1 include:_spf.hostnet.nl -all`
	SOA	`ns01.hostnet.nl`hostmaster@hostnet.nl 2026-01-18 #1

Previously MX for

openitdays.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A91.184.0.1002015-07-12 → 2016-07-13 · 3 obs

● 2015-07-12 00:33:28
● 2016-07-13 14:21:44
○ 2026-03-31 02:34:38

●A91.184.0.2002026-03-31 → 2026-03-31 · 2 obs

○ 2016-07-13 14:21:44
● 2026-03-31 02:34:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
openitdays.com	ns01.hostnet.nl, ns02.hostnet.nl	-

✅ Authoritative Response

Server:195.206.121.13

NS records: ns01.hostnet.nl, ns02.hostnet.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openitdays.com (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.184.0.200`

Analysis

IP Addresses

mail.openitdays.com resolves to one IP number: 91.184.0.200.

other host names including kindermuseumamsterdam.nl, girlswithamission.com, lecreditgroup.com, getfoundonline.nl and ice-shot.com share IP numbers with mail.openitdays.com.

mail.openitdays.com - robtex.com