`server01.icsb.de`

DNSSEC	⚠️ Not signed
A	2a03:4000:2a:238::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
		PTR	`mail.icsb.de`
A	193.30.123.24^{🇩🇪 netcup-AS193.30.120.0/22}

`icsb.de`

	DNSSEC	⚠️ Not signed
	A	2a03:4000:2a:238::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	193.30.123.24^{🇩🇪 netcup-AS193.30.120.0/22}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.icsb.de` ⭐
	TXT	`mailconf=https://autoconfig.icsb.de/mail/config-v1.1.xml`
	TXT	`v=spf1 a mx a:codelunatix.dev ip4:193.30.123.24 ip6:2a03:4000:2a:238::1 ~all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2025-03-17 #23

PTR for

1.0.0.0.0.0.0.0.5.8.8.2.9.a.3.5.0.0.0.1.6.6.0.0.8.8.4.0.1.0.a.2.ip6.arpa

133.40.169.83.in-addr.arpa

Previously MX for

elbian.de

elunesgnade.de

icsb.de

ti-m-o.de

Same first word

server01.top

server01.eu

server01.be

server01.it

server01.org

server01.de

server01.us

server01.com

server01.nl

server01.mine.nu

Similar names

10server.com

server10.de

server10.com.br

server10.ch

01server.net

server10.net

server10.com

01server.com

01server.ir

server10.xyz

server10.workers.dev

DNS History

4 records (2 active, 2 former)

●A193.30.123.242026-04-13 → 2026-08-02 · 3 obs

○ 2018-06-01 11:11:04
● 2026-04-13 10:29:12
● 2026-08-02 02:17:54

○A2a01:488:66:1000:53a9:2885:0:12018-06-01 → 2018-06-01 · 3 obs

● 2018-06-01 11:11:04
○ 2026-04-13 10:29:12
○ 2026-08-02 02:17:54

●A2a03:4000:2a:238::12026-04-13 → 2026-08-02 · 3 obs

○ 2018-06-01 11:11:04
● 2026-04-13 10:29:12
● 2026-08-02 02:17:54

○A83.169.40.1332018-06-01 → 2018-06-01 · 3 obs

● 2018-06-01 11:11:04
○ 2026-04-13 10:29:12
○ 2026-08-02 02:17:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
icsb.de	second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icsb.de (unsigned zone)

⏱️ Timing

Total: 1001ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.30.123.24`
AAAA	1	`2a03:4000:2a:238::1`

Analysis

IP Addresses

server01.icsb.de directs to two IP numbers, 193.30.123.24 and 2a03:4000:2a:238::1

Additional host names — ns1.icsb.de, icsb.de, mail.icsb.de and two others — share IP numbers with server01.icsb.de.

server01.icsb.de - robtex.com

server01.icsb.de

icsb.de