`mail.science-source.net`

DNSSEC	⚠️ Not signed
A	5.44.111.140^{🇩🇪 ONE-NETWORK5.44.108.0/22}
		PTR	`web140.alfahosting-server.de`

`science-source.net`

	DNSSEC	⚠️ Not signed
	A	5.44.111.140^{🇩🇪 ONE-NETWORK5.44.108.0/22}
	NS	`cns1.alfahosting.info` ⭐
	NS	`cns2.alfahosting.info`
	NS	`cns3.alfahosting.info`
	MX	`mx03.secure-mailgate.com` ⭐
	MX	`mx04.secure-mailgate.com` ⭐
	TXT	`v=spf1 a mx include:secure-mailgate.com -all`
	SOA	`cns1.alfahosting.info`hostmaster@alfahosting@de 2026-03-17 #2

Previously MX for

science-source.net

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DNS History

2 records (1 active, 1 former)

○A178.254.4.1012015-06-19 → 2016-04-12 · 4 obs

● 2015-06-19 08:47:36
● 2016-04-12 12:46:54
○ 2026-03-09 03:36:44
○ 2026-04-13 04:31:50

●A5.44.111.1402026-03-09 → 2026-04-13 · 3 obs

○ 2016-04-12 12:46:54
● 2026-03-09 03:36:44
● 2026-04-13 04:31:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
science-source.net	cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info	-

✅ Authoritative Response

Server:109.237.143.8

NS records: cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for science-source.net (unsigned zone)

⏱️ Timing

Total: 749ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.44.111.140`

Analysis

IP Addresses

mail.science-source.net points to a single IP address: 5.44.111.140.

Other host names such as mail.naturheilpraxis-sellentin.de, mail.waidmann.net, mail.enginhansu.de, annette-postel.de and audiomedizin.de share IPs with mail.science-source.net.

mail.science-source.net - robtex.com