`mail.siebdrucksysteme.de`

DNSSEC	⚠️ Not signed
A	91.233.87.21^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
		PTR	`mx1bln1.prossl.de`

`siebdrucksysteme.de`

	DNSSEC	⚠️ Not signed
	A	91.233.84.219^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
	NS	`ns1.prodns.de` ⭐
	NS	`ns2.prodns.de`
	NS	`ns3.prodns.de`
	MX	`mail.siebdrucksysteme.de` ⭐
	TXT	`v=spf1 a mx ip4:91.233.84.0/22 ~all`
	SOA	`ns1.prodns.de`dnsmaster@prodns.de 2021-01-28 #1

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DNS History

1 record (1 active, 0 former)

●A91.233.87.212015-06-03 → 2026-08-12 · 2 obs

● 2015-06-03 19:50:08
● 2026-08-12 22:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
siebdrucksysteme.de	ns3.prodns.de, ns1.prodns.de, ns2.prodns.de	2 records

✅ Authoritative Response

Server:13.248.213.54

NS records: ns3.prodns.de, ns1.prodns.de, ns2.prodns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siebdrucksysteme.de (unsigned zone)

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.233.87.21`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.prodns.de, ns1.prodns.de)

Analysis

IP Addresses

mail.siebdrucksysteme.de points to a single IP number: 91.233.87.21.

Additional host names — mail.tollkirsch.net, mail.apotheke-schatthausen.de, mail.campingnrw.de and two others — share IP numbers with mail.siebdrucksysteme.de.

mail.siebdrucksysteme.de - robtex.com