`mail.developer-systems.de`

DNSSEC	⚠️ Not signed
A	81.169.196.114^{🇩🇪 STRATO81.169.128.0/17 AG}
		PTR	`plesk.developer-systems.de`

`developer-systems.de`

	DNSSEC	⚠️ Not signed
	A	81.169.196.114^{🇩🇪 STRATO81.169.128.0/17 AG}
	NS	`dns.dns1.de` ⭐
	NS	`dns.dns2.de`
	NS	`dns.dns3.de`
	NS	`dns.dns4.de`
	MX	`mail.developer-systems.de` ⭐
	TXT	`v=spf1 a mx ip4:81.169.196.114 -all`
	SOA	`dns.dns1.de`hostmaster@domainbestellsystem.com 2026-04-07 #1

MX for

developer-systems.de

Same first word

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DNS History

3 records (1 active, 2 former)

○MXdeveloper-systems.de2015-05-15 → 2016-07-25 · 4 obs

● 2015-05-15 03:47:34
● 2016-07-25 11:53:30
○ 2026-03-05 06:11:46
○ 2026-04-25 22:20:04

●A81.169.196.1142026-03-05 → 2026-04-25 · 3 obs

○ 2016-07-25 11:53:30
● 2026-03-05 06:11:46
● 2026-04-25 22:20:04

○A85.214.147.1892015-05-15 → 2016-07-25 · 4 obs

● 2015-05-15 03:47:34
● 2016-07-25 11:53:30
○ 2026-03-05 06:11:46
○ 2026-04-25 22:20:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
developer-systems.de	dns.dns1.de, dns.dns3.de, dns.dns2.de, dns.dns4.de	-

✅ Authoritative Response

Server:144.76.91.137

NS records: dns.dns1.de, dns.dns3.de, dns.dns2.de, dns.dns4.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developer-systems.de (unsigned zone)

⏱️ Timing

Total: 1141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.196.114`

Analysis

Mail Server Role

mail.developer-systems.de acts as a mail server for developer-systems.de.

IP Addresses

mail.developer-systems.de points to a single IP number: 81.169.196.114.

Other host names, for instance mail.universalhandel24.de, mail.verkehrsschilder24.com, verkehrsschilder24.com, developer-systems.de and stiftnet.de share IP numbers with mail.developer-systems.de.

mail.developer-systems.de - robtex.com