`tesibius-software.de`

DNSSEC	⚠️ Not signed
A	84.38.64.36^{🇩🇪 ISPONE84.38.64.0/21}
NS	`dns1.ispone-business.de` ⭐
		A	2a00:5080:4:1::2^{🇩🇪 ISPONE2a00:5080::/32}
			PTR	`dns2.ispone-business.de`
		A	84.38.79.92^{🇩🇪 ISPONE84.38.78.0/23}
			PTR	`server92.vserver-on.de`
NS	`dns2.ispone-business.de`
		A	2a00:5080:4:2::2^{🇩🇪 ISPONE2a00:5080::/32}
			PTR	`dns1.ispone-business.de`
		A	84.38.64.92^{🇩🇪 ISPONE84.38.64.0/21}
MX	`mail.tesibius-software.de` ⭐
		A	84.38.64.36^{🇩🇪 ISPONE84.38.64.0/21}
SOA	`dns1.ispone-business.de`hostmaster@ispone-business.de 2008-11-10 #3

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1774613732

Subdomains

mail.tesibius-software.de

Same first word

tesibius-software.de

DNS History

4 records (4 active, 0 former)

●NSdns1.ispone-business.de2015-06-15 → 2026-03-27 · 2 obs

● 2015-06-15 23:52:10
● 2026-03-27 12:21:20

●NSdns2.ispone-business.de2015-06-15 → 2026-03-27 · 2 obs

● 2015-06-15 23:52:10
● 2026-03-27 12:21:20

●MXmail.tesibius-software.de2015-06-15 → 2026-03-27 · 2 obs

● 2015-06-15 23:52:10
● 2026-03-27 12:21:20

●A84.38.64.362015-06-15 → 2026-03-27 · 2 obs

● 2015-06-15 23:52:10
● 2026-03-27 12:21:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
tesibius-software.de	dns1.ispone-business.de, dns2.ispone-business.de	4 records

✅ Authoritative Response

Server:84.38.64.92

NS records: dns1.ispone-business.de, dns2.ispone-business.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tesibius-software.de (unsigned zone)

⏱️ Timing

Total: 864ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`84.38.64.36`
NS	2	`dns2.ispone-business.de, dns1.ispone-business.de`
MX	1	`mail.tesibius-software.de (pri: 10)`
SOA	1	`dns1.ispone-business.de hostmaster.ispon`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.ispone-business.de, dns2.ispone-business.de, dns1.ispone-business.de...)

Analysis

Hierarchy

tesibius-software.de is the parent of mail.tesibius-software.de.

IP Addresses

tesibius-software.de resolves to one IP number: 84.38.64.36.

other host names including mail.schweinehundjagd.de, mail.it-in-not.de, schweinehundjagd.de, it-in-not.de and mail.tesibius-software.de share IP numbers with tesibius-software.de.

Name Servers

tesibius-software.de is delegated to two name servers dns1.ispone-business.de and dns2.ispone-business.de.

tesibius-software.de shares the same name server setup as other domains, for instance itn-webservices.de, txfx.de, 65.64.38.84.in-addr.arpa, myarm.org and myarm.com.

tesibius-software.de at least partially shares name servers with other domains, for instance 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.1.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa, 1.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.0.0.a.b.b.b.0.8.0.5.0.0.a.2.ip6.arpa, argunet.org, 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.0.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa and 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.0.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa.

These name servers are commonly used alongside dns1-ipv6.ispone-business.de and dns2-ipv6.ispone-business.de.

Host names with two IP numbers:

The host name dns1.ispone-business.de points to 2a00:5080:4:1::2 and 84.38.79.92; the host name dns2.ispone-business.de points to 2a00:5080:4:2::2 and 84.38.64.92.

Mail Servers

tesibius-software.de is handled by a single mail server, mail.tesibius-software.de.

mail.tesibius-software.de resolves to IP 84.38.64.36.

tesibius-software.de - robtex.com