`opensource4i.com`

DNSSEC	⚠️ Not signed
A	66.29.183.121^{🇺🇸 UTBB66.29.176.0/21}
		PTR	`66.29.183.121.static.utbb.net`
NS	`ns31.domaincontrol.com` ⭐
		A	2603:5:2191::10^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns31.domaincontrol.com`
		A	97.74.105.16^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns31.domaincontrol.com`
NS	`ns32.domaincontrol.com`
		A	2603:5:2291::10^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns32.domaincontrol.com`
		A	173.201.73.16^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns32.domaincontrol.com`
SOA	`ns31.domaincontrol.com`dns@jomax.net 2026-02-10 #3

`com`

	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=1774505977

MX for

mail.opensource4i.com

Previously MX for

opensource4i.com

Subdomains

mail.opensource4i.com

Same first word

opensource4i.com

DNS History

11 records (3 active, 8 former)

○NSns1.mydyndns.org2015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

○NSns1144.dns.dyn.com2015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

○NSns2198.dns.dyn.com2015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

●NSns31.domaincontrol.com2026-03-25 → 2026-03-26 · 3 obs

○ 2020-01-15 07:13:18
● 2026-03-25 17:05:32
● 2026-03-26 06:42:28

○NSns3157.dns.dyn.com2015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

●NSns32.domaincontrol.com2026-03-25 → 2026-03-26 · 3 obs

○ 2020-01-15 07:13:18
● 2026-03-25 17:05:32
● 2026-03-26 06:42:28

○NSns4192.dns.dyn.com2015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

○MXmail.opensource4i.com2015-11-28 → 2020-01-15 · 5 obs

○ 2015-08-13 11:20:24
● 2015-11-28 19:21:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

○MXopensource4i.com2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 11:20:24
○ 2015-11-28 19:21:24
○ 2026-03-26 06:42:28

●A66.29.183.1212026-03-25 → 2026-03-26 · 3 obs

○ 2020-01-15 07:13:18
● 2026-03-25 17:05:32
● 2026-03-26 06:42:28

○A97.77.83.542015-08-13 → 2020-01-15 · 4 obs

● 2015-08-13 11:20:24
● 2020-01-15 07:13:18
○ 2026-03-25 17:05:32
○ 2026-03-26 06:42:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
opensource4i.com	ns31.domaincontrol.com, ns32.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.73.16

NS records: ns31.domaincontrol.com, ns32.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensource4i.com (unsigned zone)

⏱️ Timing

Total: 340ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.29.183.121`
NS	2	`ns31.domaincontrol.com, ns32.domaincontrol.com`
SOA	1	`ns31.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns31.domaincontrol.com, ns31.domaincontrol.com, ns32.domaincontrol.com...)

Analysis

Hierarchy

opensource4i.com is the parent of mail.opensource4i.com.

Mail Server Role

opensource4i.com is the mail server for mail.opensource4i.com.

IP Addresses

opensource4i.com points to a single IP number: 66.29.183.121.

other host names for instance mail.petesworkshop.com, valadd.com, digitalhandyman.com, petesworkshop.com and opensourceoni.com share IP numbers with opensource4i.com.

Name Servers

opensource4i.com is delegated to two name servers: ns31.domaincontrol.com and ns32.domaincontrol.com.

opensource4i.com shares the same name server setup as other domains, for example davidjlarson.com, hajar.us, nyman.mobi, vibrantvortex.com and tekyla.net.

opensource4i.com at least partially shares its name servers with other domains, for instance u.at.

Host names with two IP numbers:

ns31.domaincontrol.com points to 2603:5:2191::10 and 97.74.105.16

ns32.domaincontrol.com points to 2603:5:2291::10 and 173.201.73.16

opensource4i.com - robtex.com