techtutor.de - dns.ninja

techtutor.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com ⭐
A91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl2.sedo.com
A91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost ⭐
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1783145360

Same first word

techtutor.pl
techtutor.com
techtutor.tv
techtutor.tech
techtutor.web.id
techtutor.de

Similar names

turchetto.com
etchtutor.xyz
tutortech.com
trouttech.com

DNS History

19 records (4 active, 15 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.coma.ns14.netb.ns14.netc.ns14.netd.ns14.netns.udag.dens.udag.netns.udag.orgns.udagdns.dens.udagdns.netMXlocalhostmx00.udag.demx01.udag.deA91.195.241.2322a01:4f8:bd:605::88.198.92.16289.31.143.1689.31.143.5
○NSa.ns14.net2017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSb.ns14.net2017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSc.ns14.net2017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSd.ns14.net2017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSns.udag.de2015-12-03 → 2016-07-11 · 5 obs
○ 2015-07-21 13:47:20
● 2015-12-03 16:59:14
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSns.udag.net2015-12-03 → 2016-07-11 · 5 obs
○ 2015-07-21 13:47:20
● 2015-12-03 16:59:14
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSns.udag.org2015-12-03 → 2016-07-11 · 5 obs
○ 2015-07-21 13:47:20
● 2015-12-03 16:59:14
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○NSns.udagdns.de2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 13:47:20
○ 2015-12-03 16:59:14
○ 2026-07-04 06:23:22
○NSns.udagdns.net2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 13:47:20
○ 2015-12-03 16:59:14
○ 2026-07-04 06:23:22
●NSsl1.sedo.com2026-07-04 → 2026-07-04 · 2 obs
○ 2017-03-21 07:23:46
● 2026-07-04 06:23:22
●NSsl2.sedo.com2026-07-04 → 2026-07-04 · 2 obs
○ 2017-03-21 07:23:46
● 2026-07-04 06:23:22
●MXlocalhost2026-07-04 → 2026-07-04 · 2 obs
○ 2017-03-21 07:23:46
● 2026-07-04 06:23:22
○MXmx00.udag.de2015-07-21 → 2016-07-11 · 4 obs
● 2015-07-21 13:47:20
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○MXmx01.udag.de2015-07-21 → 2016-07-11 · 4 obs
● 2015-07-21 13:47:20
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○A2a01:4f8:bd:605::2017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○A88.198.92.1622017-03-21 → 2017-03-21 · 3 obs
○ 2016-07-11 20:25:34
● 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○A89.31.143.162015-12-03 → 2016-07-11 · 5 obs
○ 2015-07-21 13:47:20
● 2015-12-03 16:59:14
● 2016-07-11 20:25:34
○ 2017-03-21 07:23:46
○ 2026-07-04 06:23:22
○A89.31.143.52015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 13:47:20
○ 2015-12-03 16:59:14
○ 2026-07-04 06:23:22
●A91.195.241.2322026-07-04 → 2026-07-04 · 2 obs
○ 2017-03-21 07:23:46
● 2026-07-04 06:23:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
techtutor.desl2.sedo.com, sl1.sedo.com-

✅ Authoritative Response

Server:91.195.241.173

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techtutor.de (unsigned zone)

⏱️ Timing

Total: 1024ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl2.sedo.com, sl1.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

IP Addresses

techtutor.de directs to one IP number, which is 91.195.241.232.

Among the host names that share IP numbers with techtutor.de are profiledoctor.de, traveldiary.eu, tuka.online and two others.

Name Servers

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

techtutor.de has the same name server delegation as a number of other domains, such as mail.ltfb.de, 823.de, clean-solar.de and two more.

sl1.sedo.com directs to 91.195.240.173 and sl2.sedo.com directs to 91.195.241.173; each host name points to exactly one IP number.

Mail Servers

techtutor.de routes its mail through a single mail server, localhost.

techtutor.de has the same mail server arrangement as a number of other domains, for example webace.net, inbound3.domainsave.de, gpsmap.eu and two more.