`linux3.ct-tech.de`

DNSSEC	⚠️ Not signed
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
		PTR	`ip-89-31-143-90.defastlink.net`

`ct-tech.de`

	DNSSEC	⚠️ Not signed
	A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
	NS	`ns.udag.de` ⭐
	NS	`ns.udag.net`
	NS	`ns.udag.org`
	MX	`mx00.udag.de` ⭐
	MX	`mx01.udag.de`⁽²⁰⁾
	TXT	`v=spf1 include:_smtp.udag.de ~all`
	SOA	`ns.udag.de`hostmaster@united-domains.de 2024-07-24 #15

WOT: SAFE (62/100)
WOT: SAFE (68/100)

Subdomains

mail.linux3.ct-tech.de

Same first word

linux3.com

Similar names

3linux.com

DNS History

4 records (1 active, 3 former)

○MXmail.linux3.ct-tech.de2007-11-19 → 2007-11-19 · 3 obs

● 2007-11-19 23:10:14
○ 2015-06-14 18:28:20
○ 2026-03-24 01:42:12

○MXsmtpin.rzone.de2015-06-14 → 2016-04-07 · 4 obs

○ 2007-11-19 23:10:14
● 2015-06-14 18:28:20
● 2016-04-07 13:46:56
○ 2026-03-24 01:42:12

○A195.82.69.782007-11-19 → 2007-11-19 · 3 obs

● 2007-11-19 23:10:14
○ 2015-06-14 18:28:20
○ 2026-03-24 01:42:12

●A89.31.143.902026-03-24 → 2026-03-24 · 2 obs

○ 2015-06-14 18:28:20
● 2026-03-24 01:42:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ct-tech.de	ns.udag.org, ns.udag.net, ns.udag.de	2 records

✅ Authoritative Response

Server:217.160.80.253

NS records: ns.udag.org, ns.udag.net, ns.udag.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ct-tech.de (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

Hierarchy

linux3.ct-tech.de is the parent of mail.linux3.ct-tech.de.

IP Addresses

linux3.ct-tech.de resolves to a single IP: 89.31.143.90.

Other host names, for instance kayoil.com, arsre.eu, lontalus.at, freisfeld.net and neurochips.de share IP numbers with linux3.ct-tech.de.

linux3.ct-tech.de - robtex.com

linux3.ct-tech.de

ct-tech.de