`mail.brain-boost.de`

DNSSEC	⚠️ Not signed
A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl1.sedo.com` ⭐ ⚠️ Not in parent delegation
		A	91.195.240.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl2.sedo.com` ⚠️ Not in parent delegation
		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

`brain-boost.de`

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

Same first word

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DNS History

5 records (4 active, 1 former)

●NSsl1.sedo.com2026-03-11 → 2026-05-14 · 2 obs

● 2026-03-11 09:58:02
● 2026-05-14 16:10:42

●NSsl2.sedo.com2026-03-11 → 2026-05-14 · 2 obs

● 2026-03-11 09:58:02
● 2026-05-14 16:10:42

●MXlocalhost2026-03-11 → 2026-05-14 · 2 obs

● 2026-03-11 09:58:02
● 2026-05-14 16:10:42

○A109.237.138.182015-05-27 → 2016-04-25 · 4 obs

● 2015-05-27 12:41:02
● 2016-04-25 04:42:10
○ 2026-03-11 09:58:02
○ 2026-05-14 16:10:42

●A91.195.241.2322026-03-11 → 2026-05-14 · 3 obs

○ 2016-04-25 04:42:10
● 2026-03-11 09:58:02
● 2026-05-14 16:10:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
brain-boost.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 brain-boost.de (unsigned zone)

⏱️ Timing

Total: 828ms | 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

IP Addresses

mail.brain-boost.de points to a single IP: 91.195.241.232.

Other host names, for instance liin.eu, bluemarket.de, lindenconsulting.de, dano.net and nas.simnet.eu share IP numbers with mail.brain-boost.de.

Name Servers

mail.brain-boost.de's delegation is to two name servers sl1.sedo.com and sl2.sedo.com.

mail.brain-boost.de shares the same name server configuration as other domains, such as www.begeisterung-technik.de, 2060.de, projexion.de, tippmix.de and yimin.eu.

Host names with a single IP:

sl1.sedo.com resolves to 91.195.240.173.

sl2.sedo.com resolves to 91.195.241.173.

Mail Servers

mail.brain-boost.de is served by a single mail server, localhost.

mail.brain-boost.de uses the same mail server setup as other domains such as prcel.com, mail.lineal.at, sparkinstitute.de, jobsaison.fr and sternreisen.de.

mail.brain-boost.de - robtex.com