devschool.com - dns.ninja

devschool.com

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

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781449970

Same first word

devschool.id
devschool.net
devschool.com
devschool.rocks
devschool.de
devschool.ru
devschool.ro
devschool.org

Similar names

schooldev.us
schooldev.com
vedschool.com
schooldev.net
edvschool.de

DNS History

12 records (4 active, 8 former)

2008201020122014201620182020202220242026NSsl1.sedo.comsl2.sedo.combuy.internettraffic.comns1.hosting.co.krns2.hosting.co.krns2.netsolute.netnswolff.devschool.comsell.internettraffic.comMXlocalhostA91.195.241.232211.234.63.23269.172.201.208
○NSbuy.internettraffic.com2015-08-20 → 2015-12-05 · 5 obs
○ 2007-11-11 07:30:00
● 2015-08-20 23:31:34
● 2015-12-05 03:22:52
○ 2016-03-13 13:23:26
○ 2026-06-14 15:14:54
○NSns1.hosting.co.kr2016-03-13 → 2017-03-22 · 5 obs
○ 2015-12-05 03:22:52
● 2016-03-13 13:23:26
● 2017-03-22 10:39:54
○ 2026-02-21 16:45:32
○ 2026-06-14 15:14:54
○NSns2.hosting.co.kr2016-03-13 → 2017-03-22 · 5 obs
○ 2015-12-05 03:22:52
● 2016-03-13 13:23:26
● 2017-03-22 10:39:54
○ 2026-02-21 16:45:32
○ 2026-06-14 15:14:54
○NSns2.netsolute.net2007-11-11 → 2007-11-11 · 3 obs
● 2007-11-11 07:30:00
○ 2015-08-20 23:31:34
○ 2026-06-14 15:14:54
○NSnswolff.devschool.com2007-11-11 → 2007-11-11 · 3 obs
● 2007-11-11 07:30:00
○ 2015-08-20 23:31:34
○ 2026-06-14 15:14:54
○NSsell.internettraffic.com2015-08-20 → 2015-12-05 · 5 obs
○ 2007-11-11 07:30:00
● 2015-08-20 23:31:34
● 2015-12-05 03:22:52
○ 2016-03-13 13:23:26
○ 2026-06-14 15:14:54
●NSsl1.sedo.com2026-02-21 → 2026-06-14 · 3 obs
○ 2017-03-22 10:39:54
● 2026-02-21 16:45:32
● 2026-06-14 15:14:54
●NSsl2.sedo.com2026-02-21 → 2026-06-14 · 3 obs
○ 2017-03-22 10:39:54
● 2026-02-21 16:45:32
● 2026-06-14 15:14:54
●MXlocalhost2026-02-21 → 2026-06-14 · 2 obs
● 2026-02-21 16:45:32
● 2026-06-14 15:14:54
○A211.234.63.2322016-03-13 → 2017-03-22 · 5 obs
○ 2015-12-05 03:22:52
● 2016-03-13 13:23:26
● 2017-03-22 10:39:54
○ 2026-02-21 16:45:32
○ 2026-06-14 15:14:54
○A69.172.201.2082015-08-20 → 2015-12-05 · 5 obs
○ 2007-11-11 07:30:00
● 2015-08-20 23:31:34
● 2015-12-05 03:22:52
○ 2016-03-13 13:23:26
○ 2026-06-14 15:14:54
●A91.195.241.2322026-02-21 → 2026-06-14 · 3 obs
○ 2017-03-22 10:39:54
● 2026-02-21 16:45:32
● 2026-06-14 15:14:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
devschool.comsl1.sedo.com, sl2.sedo.com2 records

✅ Authoritative Response

Server:91.195.241.173

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devschool.com (unsigned zone)

⏱️ Timing

Total: 348ms | 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

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (sl1.sedo.com, sl2.sedo.com)

Analysis

IP Addresses

devschool.com points to a single IP number: 91.195.241.232.

Additional host names — www.dataengine.de, websitedevelopment.eu, mail.mozg.de and two others — share IP numbers with devschool.com.

Name Servers

DNS delegation for devschool.com points to two name servers: sl1.sedo.com and sl2.sedo.com.

devschool.com shares its name server setup with other domains, including arinsta.com, onebrand.eu, wowi.online and two others.

Both sl1.sedo.com and sl2.sedo.com have a single IP address each — sl1.sedo.com resolves to 91.195.240.173 while sl2.sedo.com resolves to 91.195.241.173.

Mail Servers

devschool.com has one mail server: localhost.

devschool.com shares the same mail server setup as other domains, including vm18.org, chinalive.de, 145.funtonia.com and two others.