`mail.algebra21.net`

DNSSEC	⚠️ Not signed
A	213.221.108.182^{🇩🇪 CLARANET-AS213.221.64.0/18 CLARANET-DE 8196:1 8196:100}
		PTR	`leonardo.webstrategy.de`

`algebra21.net`

	DNSSEC	⚠️ Not signed
	A	213.221.108.182^{🇩🇪 CLARANET-AS213.221.64.0/18 CLARANET-DE 8196:1 8196:100}
	NS	`dns3.webstrategy.de` ⭐
	NS	`dns4.webstrategy.de`
	MX	`mail.algebra21.net` ⭐
	SOA	`dns3.webstrategy.de`hostmaster@webstrategy.de 2024-12-03 #1

MX for

algebra21.net

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DNS History

1 record (1 active, 0 former)

●A213.221.108.1822015-07-17 → 2026-03-28 · 2 obs

● 2015-07-17 13:56:16
● 2026-03-28 15:54:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...	-
algebra21.net	dns3.webstrategy.de, dns4.webstrategy.de	-

✅ Authoritative Response

Server:192.174.68.13

NS records: dns3.webstrategy.de, dns4.webstrategy.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algebra21.net (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.221.108.182`

Analysis

Mail Server Role

mail.algebra21.net is the mail server for algebra21.net.

IP Addresses

mail.algebra21.net points to a single IP number: 213.221.108.182.

other host names for instance mail.besseres-hoeren.de, mail.logbuchkreuzfahrt.de, mail.methodso(0x666170)pliedalgebra.com, mail.ilittleblackbook.com and algebraic-methods.com share IP numbers with mail.algebra21.net.

mail.algebra21.net - robtex.com