`mastermind-group.de`

DNSSEC	⚠️ Not signed
A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl1.sedo.com` ⭐
		A	91.195.240.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl2.sedo.com`
		A	91.195.241.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`localhost` ⭐
TXT	`v=spf1 -all`
SOA	`sl1.sedo.com`hostmaster@sedo.de 2018-05-16 #1

`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=1776007942

Subdomains

mail.mastermind-group.de

Same first word

mastermind-group.de

DNS History

10 records (4 active, 6 former)

○NSns1.webspace-verkauf.de2015-07-17 → 2018-09-01 · 4 obs

● 2015-07-17 07:43:18
● 2018-09-01 14:11:08
○ 2026-03-19 20:42:58
○ 2026-04-12 15:52:40

○NSns2.webspace-verkauf.de2015-07-17 → 2018-09-01 · 4 obs

● 2015-07-17 07:43:18
● 2018-09-01 14:11:08
○ 2026-03-19 20:42:58
○ 2026-04-12 15:52:40

○NSns3.webspace-verkauf.de2015-07-17 → 2018-09-01 · 4 obs

● 2015-07-17 07:43:18
● 2018-09-01 14:11:08
○ 2026-03-19 20:42:58
○ 2026-04-12 15:52:40

●NSsl1.sedo.com2026-03-19 → 2026-04-12 · 3 obs

○ 2018-09-01 14:11:08
● 2026-03-19 20:42:58
● 2026-04-12 15:52:40

●NSsl2.sedo.com2026-03-19 → 2026-04-12 · 3 obs

○ 2018-09-01 14:11:08
● 2026-03-19 20:42:58
● 2026-04-12 15:52:40

●MXlocalhost2026-03-19 → 2026-04-12 · 3 obs

○ 2018-09-01 14:11:08
● 2026-03-19 20:42:58
● 2026-04-12 15:52:40

○MXmail.mastermind-group.de2015-07-17 → 2018-09-01 · 4 obs

● 2015-07-17 07:43:18
● 2018-09-01 14:11:08
○ 2026-03-19 20:42:58
○ 2026-04-12 15:52:40

○A37.218.255.1112016-02-10 → 2018-09-01 · 5 obs

○ 2015-11-14 20:22:18
● 2016-02-10 20:57:18
● 2018-09-01 14:11:08
○ 2026-03-19 20:42:58
○ 2026-04-12 15:52:40

○A80.246.51.1932015-07-17 → 2015-11-14 · 4 obs

● 2015-07-17 07:43:18
● 2015-11-14 20:22:18
○ 2016-02-10 20:57:18
○ 2026-04-12 15:52:40

●A91.195.241.2322026-03-19 → 2026-04-12 · 3 obs

○ 2018-09-01 14:11:08
● 2026-03-19 20:42:58
● 2026-04-12 15:52:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
mastermind-group.de	sl1.sedo.com, sl2.sedo.com	-

✅ Authoritative Response

Server:91.195.241.173

NS records: sl1.sedo.com, sl2.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastermind-group.de (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.241.232`
NS	2	`sl2.sedo.com, sl1.sedo.com`
MX	1	`localhost (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`sl1.sedo.com hostmaster.sedo.de`

Analysis

Hierarchy

mastermind-group.de is the parent of mail.mastermind-group.de.

IP Addresses

mastermind-group.de points to IP number 91.195.241.232.

For instance, other host names gallerie1.de, mydiesel.de, previous.in, www.tcgame.com and mail.qwin.eu share IP numbers with mastermind-group.de.

Name Servers

mastermind-group.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.

mastermind-group.de uses the same name server setup as other domains such as aichina.de, fashion-dream.de, launchcode.de, t-energy.de and mail.zeitportal.de.

mastermind-group.de shares name servers with other domains at least partially, for example sberbank.eu.

These name servers are commonly used with the name servers ns1.cal.pl and ns2.cal.pl.

Host names with one IP number:

sl1.sedo.com points to: 91.195.240.173.

sl2.sedo.com points to: 91.195.241.173.

Mail Servers

mastermind-group.de is handled by a single mail server, localhost.

mastermind-group.de shares the same mail server setup as other domains, for instance imobil.net, javis.eu, minugua.guate.net, purest.de and adultas.com.

mastermind-group.de - robtex.com