`mail.optimation.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

`optimation.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

Previously MX for

optimation.de

Same first word

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

mail.egoism.jp

mail.jpn.org

mail.run

mail.edu.rs

mail.lt

mail.vn

mail.sl

mail.gov.mu

mail.gov.in

mail.pk

mail.uz

mail.clinic

mail.bm

mail.com.pk

mail.hl.cn

mail.nhs.uk

mail.hotmail

mail.gov.om

mail.canon

mail.net.hk

mail.caa.li

mail.as

mail.ir

mail.net.ru

mail.cz

mail.gov.ms

mail.so

mail.ind.in

mail.com.in

mail.noip.us

mail.hippy.jp

mail.eating-organic.net

mail.ba.gov.br

mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

mail.yahoo

mail.edu.ge

mail.ps

mail.edu.ee

mail.gouv.ci

mail.gi

mail.fr

mail.mil.id

mail.k12.vt.us

mail.photos

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mail.ooo

mail.cloudaccess.net

mail.girly.jp

mail.ec

mail.blog

mail.potager.org

mail.v.ua

mail.copro.uk

mail.or.id

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

mail.gov.rw

mail.gov.bs

mail.ca

mail.je

mail.ks.ua

mail.org.br

mail.technology

mail.edu.ru

mail.edu.az

mail.global

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

mail.gd

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mila.realtor

DNS History

5 records (4 active, 1 former)

●NSsl1.sedo.com2026-07-04 → 2026-07-04 · 2 obs

● 2026-07-04 16:58:04
● 2026-07-04 16:58:08

●NSsl2.sedo.com2026-07-04 → 2026-07-04 · 2 obs

● 2026-07-04 16:58:04
● 2026-07-04 16:58:08

●MXlocalhost2026-07-04 → 2026-07-04 · 2 obs

● 2026-07-04 16:58:04
● 2026-07-04 16:58:08

○A178.254.4.1012015-06-03 → 2016-03-25 · 4 obs

● 2015-06-03 10:08:40
● 2016-03-25 01:52:40
○ 2026-07-04 16:58:04
○ 2026-07-04 16:58:08

●A91.195.241.2322026-07-04 → 2026-07-04 · 3 obs

○ 2016-03-25 01:52:40
● 2026-07-04 16:58:04
● 2026-07-04 16:58:08

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:91.195.240.173

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimation.de (unsigned zone)

⏱️ Timing

Total: 3766ms | Queries: -

📄 Records

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

Analysis

IP Addresses

mail.optimation.de resolves to just one IP address, 91.195.241.232.

Two other host names, along with sportyes.com, myhealthyfood.de and stantion.com, also share IP numbers with mail.optimation.de.

Name Servers

mail.optimation.de has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.

mail.optimation.de shares its NS records with other domains, for example larin.eu, trackbox.eu, toolshare.eu and two others.

The name servers for mail.optimation.de overlap at least partially with those of other domains — for example papierplus.com.

sl1.sedo.com resolves to 91.195.240.173. sl2.sedo.com resolves to 91.195.241.173. Both host names point to a single IP number.

Mail Servers

The sole mail server for mail.optimation.de is localhost.

Among the domains sharing a mail server setup with mail.optimation.de are boom.intoteens.(0x706f726e)blogs.com, computerethik.de, asw2.jobads.eu and two others.

mail.optimation.de - dns.ninja