`mailman.otnsystems.com`

DNSSEC	⚠️ Not signed
A	212.88.224.230^{🇧🇪 TELENET-AS212.88.224.0/19 TELENET CUSTOMERS}
		PTR	`mailman.otnsystems.com`

`otnsystems.com`

	DNSSEC	⚠️ Not signed
	A	64.251.211.133^{🇺🇸 AS238664.251.211.0/24 proxy route for DBZwirn by MZIMA}
	NS	`ns1-09.azure-dns.com` ⭐
	NS	`ns2-09.azure-dns.net`
	NS	`ns3-09.azure-dns.org`
	NS	`ns4-09.azure-dns.info`
	MX	`mxa-00015a02.gslb.pphosted.com` ⭐
	MX	`mxb-00015a02.gslb.pphosted.com` ⭐
	TXT	`citrix-verification-code~f6125e-af54-490d-b098-97ba61cb4037`
	TXT	`domain-verification:d269a02c02d99521d7d911bc0182bf9c2ddc2de1`
	TXT	`Business Network Systems - Belgium`
	TXT	`MS=CF2292AD6ABCF8AEBFD6338875EB4F5044C4A8D0`
	TXT	`T5uJHc04nu1+//RIkBwSh6OFdJQYX5RlZ1uIfsIZKPE9T7vSyDdBKZiE8sYQNv8y7+2KN4SXMxb6x...`
	TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all`
	TXT	`dropbox-domain-verification=r04k6bwzj0zq`
	TXT	`knowbe4-site-verification=c7ce79a21d516703d2d186e6379d60f7`
	TXT	`MS=ms26968193 TTL 3600`
	TXT	`google-site-verification=yUX-3fpCz43HPDoFXeQOME7GY5Yst8L8Ui_bcxVrz4g`
	SOA	`ns1-09.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

PTR for

230.224.88.212.in-addr.arpa

MX for

otnsystems.be

Previously MX for

otnsystems.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A212.88.224.2302015-10-19 → 2026-04-26 · 2 obs

● 2015-10-19 05:15:48
● 2026-04-26 22:31:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
otnsystems.com	ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for otnsystems.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.88.224.230`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)

Analysis

Mail Server Role

mailman.otnsystems.com serves as the mail server for otnsystems.be.

IP Addresses

mailman.otnsystems.com resolves to a single IP address: 212.88.224.230.

Other host names, such as mail.otnsystems.com and mailman.txcare.net, share IP numbers with mailman.otnsystems.com.

mailman.otnsystems.com - robtex.com