`mail.semantrium.com`

DNSSEC	⚠️ Not signed
A	5.22.249.3^{🇳🇱 CJ2-AS5.22.248.0/21 CJ2 Hosting}
		PTR	`cl06.keurigonline.nl`

`semantrium.com`

	DNSSEC	🔒 Signed (DS record present)
	A	5.22.249.3^{🇳🇱 CJ2-AS5.22.248.0/21 CJ2 Hosting}
	NS	`ns.keurigonline.nl` ⭐
	NS	`ns.keurigonline.be`
	NS	`ns.keurigonline.com`
	NS	`ns.keurigonline.eu`
	NS	`ns.keurigonline.net`
	MX	`mail.semantrium.com` ⭐
	TXT	`v=spf1 a mx include:_spf.keurigonline.nl all`
	SOA	`ns.keurigonline.nl`hostmaster@keurigonline.nl 2026-04-02 #1

MX for

semantrium.com

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DNS History

3 records (1 active, 2 former)

○A185.103.16.1362015-12-09 → 2016-09-09 · 5 obs

○ 2015-08-13 07:18:26
● 2015-12-09 20:18:38
● 2016-09-09 06:11:42
○ 2026-03-26 23:16:10
○ 2026-04-05 19:18:22

●A5.22.249.32026-03-26 → 2026-04-05 · 3 obs

○ 2016-09-09 06:11:42
● 2026-03-26 23:16:10
● 2026-04-05 19:18:22

○A94.124.93.1462015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 07:18:26
○ 2015-12-09 20:18:38
○ 2026-04-05 19:18:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
semantrium.com	ns.keurigonline.nl, ns.keurigonline.net, ns.keurigonline.be, ns.keurigonline.com...	2 records

✅ Authoritative Response

Server:13.248.156.209

NS records: ns.keurigonline.nl, ns.keurigonline.net, ns.keurigonline.be, ns.keurigonline.com, ns.keurigonline.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.22.249.3`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.keurigonline.com, ns.keurigonline.com)

Analysis

Mail Server Role

mail.semantrium.com serves as the mail server for semantrium.com.

IP Addresses

mail.semantrium.com points to an IP address: 5.22.249.3.

other host names include zunflappie.nl, trioganta.org, mail.beerwolf.nl, keurweb.nl and www.key2publish.nl; they share IP numbers with mail.semantrium.com.

mail.semantrium.com - robtex.com