decourse.com - dns.ninja

decourse.com

DNSSEC⚠️ Not signed
A135.181.228.222🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC
PTRstatic.222.228.181.135.clients.your-server.de
NSns1.decourse.com ⭐
NSns1.stufio.net ⚠️ Not in zone NS records
A135.181.228.236🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC
PTRstatic.236.228.181.135.clients.your-server.de
NSns2.stufio.net ⚠️ Not in zone NS records
A51.79.20.191🇨🇦 OVH51.79.0.0/17 Hosting route
PTRns566801.ip-51-79-20.net
NSns3.stufio.net ⚠️ Not in zone NS records
A5.9.86.190🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
PTRstatic.190.86.9.5.clients.your-server.de
SOAns1.decourse.comhostmaster@decourse.com serial=1784839481

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=1784839207

Same first word

decourse.com

Similar names

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escudero.ch
escudero.biz
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edosucre.gov.ve
escudero.es
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edsource.org
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usercode.com
escudero.me
eduscore.com.mx
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escudero.pro
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escudero.eu
escudero.net
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eduscore.com.sg
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odsecure.com
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secureod.global.ssl.fastly.net
eduscore.net
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eucoders.com
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securedo.eu
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edsource.info

DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSns1.decourse.comns1.stufio.netns2.stufio.netns3.stufio.netdns1.registrar-servers.comdns2.registrar-servers.comdns3.registrar-servers.comdns4.registrar-servers.comdns5.registrar-servers.comMXmx1.spacemail.commx2.spacemail.comA135.181.228.222198.202.211.131.43.160.631.43.161.6
○NSdns1.registrar-servers.com2015-08-07 → 2018-01-15 · 4 obs
● 2015-08-07 18:52:28
● 2018-01-15 03:13:14
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○NSdns2.registrar-servers.com2015-08-07 → 2018-01-15 · 4 obs
● 2015-08-07 18:52:28
● 2018-01-15 03:13:14
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○NSdns3.registrar-servers.com2015-08-07 → 2018-01-15 · 4 obs
● 2015-08-07 18:52:28
● 2018-01-15 03:13:14
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○NSdns4.registrar-servers.com2015-08-07 → 2018-01-15 · 4 obs
● 2015-08-07 18:52:28
● 2018-01-15 03:13:14
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○NSdns5.registrar-servers.com2015-08-07 → 2018-01-15 · 4 obs
● 2015-08-07 18:52:28
● 2018-01-15 03:13:14
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
●NSns1.decourse.com2026-06-10 → 2026-07-23 · 3 obs
○ 2018-01-15 03:13:14
● 2026-06-10 05:36:54
● 2026-07-23 20:44:42
●NSns1.stufio.net2026-06-10 → 2026-07-23 · 3 obs
○ 2018-01-15 03:13:14
● 2026-06-10 05:36:54
● 2026-07-23 20:44:42
●NSns2.stufio.net2026-06-10 → 2026-07-23 · 3 obs
○ 2018-01-15 03:13:14
● 2026-06-10 05:36:54
● 2026-07-23 20:44:42
●NSns3.stufio.net2026-06-10 → 2026-07-23 · 3 obs
○ 2018-01-15 03:13:14
● 2026-06-10 05:36:54
● 2026-07-23 20:44:42
○MXmx1.spacemail.com2026-06-10 → 2026-07-23 · 2 obs
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○MXmx2.spacemail.com2026-06-10 → 2026-07-23 · 2 obs
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
●A135.181.228.2222026-06-10 → 2026-07-23 · 4 obs
● 2026-06-10 05:36:54
○ 2026-06-22 19:31:12
● 2026-07-01 09:14:34
● 2026-07-23 20:44:42
○A198.202.211.12026-06-10 → 2026-07-23 · 2 obs
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○A31.43.160.62026-06-10 → 2026-07-23 · 2 obs
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42
○A31.43.161.62026-06-10 → 2026-07-23 · 2 obs
○ 2026-06-10 05:36:54
○ 2026-07-23 20:44:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
decourse.comns1.stufio.net, ns2.stufio.net, ns3.stufio.net-

✅ Authoritative Response

Server:135.181.228.236

NS records: ns1.stufio.net, ns2.stufio.net, ns3.stufio.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for decourse.com (unsigned zone)

⏱️ Timing

Total: 1848ms | Queries: -

📄 Records

TypeCountSample Data
A1135.181.228.222
SOA1ns1.decourse.com hostmaster.decourse.com

Analysis

IP Addresses

decourse.com has exactly one IP address — 135.181.228.222.

seerve.com, neuok.com, eyett.com plus two other host names have IP numbers in common with decourse.com.

Name Servers

Four name servers handle the delegation for decourse.com: ns1.decourse.com, ns1.stufio.net, ns2.stufio.net and ns3.stufio.net.

At least some of decourse.com's name servers are shared with other domains, for example survian.com, paysli.com, btris.com and two more.

These name servers tend to appear together with the name servers ns1.survian.com, ns1.paysli.com and ns1.btris.com, plus two others.

Three hostnames, one IP address apiece: ns1.stufio.net resolves to 135.181.228.236, ns2.stufio.net resolves to 51.79.20.191 and ns3.stufio.net resolves to 5.9.86.190.