`thinkopensource.net`

DNSSEC	🔒 Signed (DS record present)
A	138.199.195.212^{🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC}
		PTR	`static.212.195.199.138.clients.your-server.de`
NS	`ns1.cdmon.net` ⭐
		A	35.189.106.232^{🇬🇧 Google35.189.96.0/20}
			PTR	`ns1.cdmon.net`
NS	`ns2.cdmon.net`
		A	35.195.57.29^{🇧🇪 Google35.195.48.0/20}
			PTR	`29.57.195.35.bc.googleusercontent.com`
NS	`ns3.cdmon.net`
		A	35.157.47.125^{🇩🇪 Amazon35.156.0.0/14 EC2 FRA prefix}
			PTR	`ns3.cdmon.net`
NS	`ns4.cdmondns-01.org`
		A	52.58.66.183^{🇩🇪 Amazon52.58.0.0/15 EC2 FRA Prefix}
			PTR	`ns4.cdmondns-01.org`
NS	`ns5.cdmondns-01.com`
		A	52.59.146.62^{🇩🇪 Amazon52.58.0.0/15 EC2 FRA Prefix}
			PTR	`ns5.cdmondns-01.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽²⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zoho.com ~all`
SOA	`ns1.cdmon.net`hostmaster@thinkopensource.net serial=1

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774772367

Same first word

thinkopensource.net

DNS History

10 records (8 active, 2 former)

●NSns1.cdmon.net2015-06-26 → 2026-03-29 · 2 obs

● 2015-06-26 04:52:32
● 2026-03-29 08:20:54

●NSns2.cdmon.net2015-06-26 → 2026-03-29 · 2 obs

● 2015-06-26 04:52:32
● 2026-03-29 08:20:54

●NSns3.cdmon.net2015-06-26 → 2026-03-29 · 2 obs

● 2015-06-26 04:52:32
● 2026-03-29 08:20:54

●NSns4.cdmondns-01.org2018-08-19 → 2026-03-29 · 3 obs

○ 2015-06-26 04:52:32
● 2018-08-19 21:19:30
● 2026-03-29 08:20:54

●NSns5.cdmondns-01.com2018-08-19 → 2026-03-29 · 3 obs

○ 2015-06-26 04:52:32
● 2018-08-19 21:19:30
● 2026-03-29 08:20:54

●MXmx.zoho.com2015-06-26 → 2026-03-29 · 2 obs

● 2015-06-26 04:52:32
● 2026-03-29 08:20:54

●MXmx2.zoho.com2015-06-26 → 2026-03-29 · 2 obs

● 2015-06-26 04:52:32
● 2026-03-29 08:20:54

●A138.199.195.2122026-03-26 → 2026-03-29 · 3 obs

○ 2018-08-19 21:19:30
● 2026-03-26 00:03:12
● 2026-03-29 08:20:54

○A51.254.135.572015-11-20 → 2018-08-19 · 5 obs

○ 2015-06-26 04:52:32
● 2015-11-20 19:00:12
● 2018-08-19 21:19:30
○ 2026-03-26 00:03:12
○ 2026-03-29 08:20:54

○A92.222.190.1612015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 04:52:32
○ 2015-11-20 19:00:12
○ 2026-03-29 08:20:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thinkopensource.net	ns1.cdmon.net, ns2.cdmon.net, ns3.cdmon.net, ns5.cdmondns-01.com...	3 records

✅ Authoritative Response

Server:35.189.106.232

NS records: ns1.cdmon.net, ns2.cdmon.net, ns3.cdmon.net, ns5.cdmondns-01.com, ns4.cdmondns-01.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 529ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.199.195.212`
NS	5	`ns3.cdmon.net, ns2.cdmon.net...`
MX	2	`mx2.zoho.com (pri: 20), mx.zoho.com (pri: 10)`
TXT	1	`v=spf1 include:zoho.com ~all`
SOA	1	`ns1.cdmon.net hostmaster.thinkopensource`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.cdmon.net, ns2.cdmon.net, ns3.cdmon.net)

Analysis

IP Addresses

thinkopensource.net resolves to one IP number: 138.199.195.212.

Name Servers

thinkopensource.net is delegated to five name servers: ns5.cdmondns-01.com, ns1.cdmon.net, ns2.cdmon.net, ns3.cdmon.net and ns4.cdmondns-01.org.

thinkopensource.net at least partially shares name servers with other domains, including grimalt-seguros.com, cursoartroscopiamano.com, gonzalezbyass.com, lucena.es and grupoalc.net.

Host names with one IP number:

ns5.cdmondns-01.com points to 52.59.146.62; ns1.cdmon.net points to 35.189.106.232; ns2.cdmon.net points to 35.195.57.29; ns3.cdmon.net points to 35.157.47.125; ns4.cdmondns-01.org points to 52.58.66.183.

Mail Servers

thinkopensource.net is served by two mail servers mx2.zoho.com and mx.zoho.com.

thinkopensource.net shares the same mail server setup as other domains, for instance pattiworden.com, spiritualwarfareinstitute.org, maya-studio.com, elkamelfurniture.com and boreham.net.au.

thinkopensource.net shares at least some mail servers with other domains, for example wizardingcenter.com, uhrlg.com, pintudo.com, chopmoney.co and eddytools.com.

These mail servers are often used together with the mail servers mx3.zoho.com.

Host names with a single IP number:

The host name mx2.zoho.com points to 136.143.183.44.

The host name mx.zoho.com points to 136.143.183.44.

Host names pointing to 136.143.183.44: mx2.zoho.com and mx.zoho.com.

thinkopensource.net - robtex.com