`server-a.3tausend.de`

	DNSSEC	⚠️ Not signed
	A	2a04:ec81:100:3049::77^{🇩🇪 HABNET2a04:ec80::/29}

`3tausend.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2001:1bc0:d::2:4^{🇩🇪 PROBENETWORKS-AS2001:1bc0::/32 Probe Networks european network}
	A	194.213.5.204^{🇩🇪 PROBENETWORKS-AS194.213.5.0/24 Core Networks GmbH}
	NS	`ns.3tausend.de` ⭐
	NS	`ns1.core-networks.de`
	NS	`ns2.core-networks.eu`
	NS	`ns3.core-networks.com`
	MX	`server-a.3tausend.de` ⭐
	MX	`mx1.core-networks.de`⁽⁷⁾
	MX	`mx2.core-networks.de`⁽⁸⁾
	TXT	`v=spf1 a:server-a.3tausend.de a:mail.core-networks.de mx ~all`
	SOA	`ns.3tausend.de`hostmaster@3tausend.de 2024-09-31 #47

MX for

3tausend.de

Same first word

server-a.akamaihd.net

server-a.ru

server-a.info

Similar names

a-server.mx

re-serva.com

a-server.org

a-server.com

a-server.co.uk

a-server.net

a-server.ru

a-server.ch

DNS History

1 record (1 active, 0 former)

●A2a04:ec81:100:3049::772026-03-07 → 2026-04-26 · 2 obs

● 2026-03-07 17:20:02
● 2026-04-26 14:54:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, n.de.net, a.nic.de...	-
3tausend.de	ns3.core-networks.com, ns1.core-networks.de, ns2.core-networks.eu	2 records

✅ Authoritative Response

Server:82.96.73.254

NS records: ns3.core-networks.com, ns1.core-networks.de, ns2.core-networks.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1045ms | Queries: -

📄 Records

Type	Count	Sample Data
AAAA	1	`2a04:ec81:100:3049::77`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.core-networks.de, ns1.core-networks.de)

Analysis

Mail Server Role

server-a.3tausend.de serves as the mail server for 3tausend.de.

mx1.core-networks.de and mx2.core-networks.de are commonly used as mail servers alongside server-a.3tausend.de.

IP Addresses

server-a.3tausend.de points to a single IP: 2a04:ec81:100:3049::77.

Other host names, for instance xc.dnsseed.bluematt.me, ns.3tausend.de and x9.seed.mainnet.achownodes.xyz share IP numbers with server-a.3tausend.de.

server-a.3tausend.de - robtex.com