it-class.de - dns.ninja

it-class.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=1783247732

Subdomains

mx.it-class.de

Same first word

it-class.ru
it-class.com
it-class.net
it-class.de

Similar names

class-it.com
ti-class.com
class-it.it

DNS History

19 records (4 active, 15 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.comns1.dnsmachen.dens1.domainname.atns1.redirectdom.comns1.undeveloped.comns2.dnsmachen.dens2.redirectdom.comns2.undeveloped.comns3.dnsmachen.dens4.dnsmachen.deMXlocalhostmx.it-class.demx51.mymxserver.comnx51.mymxserver.comA91.195.241.232176.9.83.229188.94.252.14852.58.78.16
○NSns1.dnsmachen.de2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○NSns1.domainname.at2018-01-14 → 2018-01-14 · 4 obs
○ 2016-11-30 00:45:30
● 2018-01-14 05:37:40
○ 2018-05-17 12:29:50
○ 2026-07-05 10:49:44
○NSns1.redirectdom.com2018-01-14 → 2018-01-14 · 4 obs
○ 2016-11-30 00:45:30
● 2018-01-14 05:37:40
○ 2018-05-17 12:29:50
○ 2026-07-05 10:49:44
○NSns1.undeveloped.com2018-05-17 → 2018-05-31 · 5 obs
○ 2018-01-14 05:37:40
● 2018-05-17 12:29:50
● 2018-05-31 16:40:32
○ 2026-02-17 18:39:02
○ 2026-07-05 10:49:44
○NSns2.dnsmachen.de2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○NSns2.redirectdom.com2018-01-14 → 2018-01-14 · 4 obs
○ 2016-11-30 00:45:30
● 2018-01-14 05:37:40
○ 2018-05-17 12:29:50
○ 2026-07-05 10:49:44
○NSns2.undeveloped.com2018-05-17 → 2018-05-31 · 5 obs
○ 2018-01-14 05:37:40
● 2018-05-17 12:29:50
● 2018-05-31 16:40:32
○ 2026-02-17 18:39:02
○ 2026-07-05 10:49:44
○NSns3.dnsmachen.de2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○NSns4.dnsmachen.de2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
●NSsl1.sedo.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-05-31 16:40:32
● 2026-02-17 18:39:02
● 2026-07-05 10:49:44
●NSsl2.sedo.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-05-31 16:40:32
● 2026-02-17 18:39:02
● 2026-07-05 10:49:44
●MXlocalhost2026-02-17 → 2026-07-05 · 5 obs
○ 2018-05-31 16:40:32
● 2026-02-17 18:39:02
● 2026-06-04 11:59:16
○ 2026-06-23 13:55:36
● 2026-07-05 10:49:44
○MXmx.it-class.de2018-05-17 → 2018-05-31 · 5 obs
○ 2018-01-14 05:37:40
● 2018-05-17 12:29:50
● 2018-05-31 16:40:32
○ 2026-02-17 18:39:02
○ 2026-07-05 10:49:44
○MXmx51.mymxserver.com2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○MXnx51.mymxserver.com2015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○A176.9.83.2292018-01-14 → 2018-01-14 · 4 obs
○ 2016-11-30 00:45:30
● 2018-01-14 05:37:40
○ 2018-05-17 12:29:50
○ 2026-07-05 10:49:44
○A188.94.252.1482015-07-22 → 2016-11-30 · 4 obs
● 2015-07-22 07:11:40
● 2016-11-30 00:45:30
○ 2018-01-14 05:37:40
○ 2026-07-05 10:49:44
○A52.58.78.162018-05-17 → 2018-05-31 · 5 obs
○ 2018-01-14 05:37:40
● 2018-05-17 12:29:50
● 2018-05-31 16:40:32
○ 2026-02-17 18:39:02
○ 2026-07-05 10:49:44
●A91.195.241.2322026-02-17 → 2026-07-05 · 5 obs
○ 2018-05-31 16:40:32
● 2026-02-17 18:39:02
● 2026-06-04 11:59:16
○ 2026-06-23 13:55:36
● 2026-07-05 10:49:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
it-class.desl1.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 it-class.de (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl1.sedo.com, sl2.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

Hierarchy

mx.it-class.de is delegated beneath it-class.de.

IP Addresses

it-class.de has exactly one IP address — 91.195.241.232.

bojler.com, in-online.de, ringme.eu plus two other host names have IP numbers in common with it-class.de.

Name Servers

it-class.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.

The name server configuration of it-class.de is shared with other domains, for instance corp.ds.thepatriots.de, sentinel-group.de, mail.waterbeddiscount-siegen.de and two others.

sl1.sedo.com → 91.195.240.173 and sl2.sedo.com → 91.195.241.173: one IP number per host name.

Mail Servers

it-class.de uses one mail server — localhost.

The mail server setup of it-class.de matches that of other domains such as hjh.fr, xing-wang.cn, j2a.com and two others.