`opensourceinformation.com`

DNSSEC	⚠️ Not signed
NS	`ns-1393.awsdns-46.org` ⚠️ Not in zone NS records
		A	2600:9000:5305:7100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1393.awsdns-46.org`
		A	205.251.197.113^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1393.awsdns-46.org`
NS	`ns-1855.awsdns-39.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5307:3f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1855.awsdns-39.co.uk`
		A	205.251.199.63^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1855.awsdns-39.co.uk`
NS	`ns-428.awsdns-53.com` ⚠️ Not in zone NS records
		A	2600:9000:5301:ac00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-428.awsdns-53.com`
		A	205.251.193.172^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-428.awsdns-53.com`
NS	`ns-619.awsdns-13.net` ⚠️ Not in zone NS records
		A	2600:9000:5302:6b00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-619.awsdns-13.net`
		A	205.251.194.107^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-619.awsdns-13.net`

`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=1776099092

Same first word

opensourceinformation.com

opensourceinformation.net

DNS History

8 records (4 active, 4 former)

●NSns-1393.awsdns-46.org2026-03-13 → 2026-04-13 · 3 obs

○ 2017-10-10 01:43:18
● 2026-03-13 21:25:22
● 2026-04-13 16:58:56

●NSns-1855.awsdns-39.co.uk2026-03-13 → 2026-04-13 · 3 obs

○ 2017-10-10 01:43:18
● 2026-03-13 21:25:22
● 2026-04-13 16:58:56

●NSns-428.awsdns-53.com2026-03-13 → 2026-04-13 · 3 obs

○ 2017-10-10 01:43:18
● 2026-03-13 21:25:22
● 2026-04-13 16:58:56

●NSns-619.awsdns-13.net2026-03-13 → 2026-04-13 · 3 obs

○ 2017-10-10 01:43:18
● 2026-03-13 21:25:22
● 2026-04-13 16:58:56

○NSns1.opensourceinformation.com2015-08-31 → 2017-10-10 · 4 obs

● 2015-08-31 03:14:00
● 2017-10-10 01:43:18
○ 2026-03-13 21:25:22
○ 2026-04-13 16:58:56

○NSns2.opensourceinformation.com2015-08-31 → 2017-10-10 · 4 obs

● 2015-08-31 03:14:00
● 2017-10-10 01:43:18
○ 2026-03-13 21:25:22
○ 2026-04-13 16:58:56

○MXmail.opensourceinformation.com2015-08-31 → 2017-10-10 · 4 obs

● 2015-08-31 03:14:00
● 2017-10-10 01:43:18
○ 2026-03-13 21:25:22
○ 2026-04-13 16:58:56

○A63.227.92.2182015-08-31 → 2017-10-10 · 4 obs

● 2015-08-31 03:14:00
● 2017-10-10 01:43:18
○ 2026-03-13 21:25:22
○ 2026-04-13 16:58:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
opensourceinformation.com	ns-619.awsdns-13.net, ns-428.awsdns-53.com, ns-1855.awsdns-39.co.uk, ns-1393.awsdns-46.org	1 record

✅ Authoritative Response

Server:205.251.193.172

NS records: ns-619.awsdns-13.net, ns-428.awsdns-53.com, ns-1855.awsdns-39.co.uk, ns-1393.awsdns-46.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensourceinformation.com (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-428.awsdns-53.com)

Analysis

Name Servers

opensourceinformation.com is delegated to four name servers: ns-428.awsdns-53.com, ns-619.awsdns-13.net, ns-1393.awsdns-46.org and ns-1855.awsdns-39.co.uk.

At least part of the name servers for opensourceinformation.com are shared with other domains, for instance askdrshah.com, novasoutheasternsoftballcamps.com, vehicletrader.tools, leplastrier.com and mortgagerates-offers.com.

These name servers are commonly used together with the name servers ns-722.awsdns-26.net, ns-1043.awsdns-02.org, ns-1869.awsdns-41.co.uk, ns-160.awsdns-20.com, ns-1807.awsdns-33.co.uk and ns-1073.awsdns-06.org.

Host names with two IP numbers:

ns-428.awsdns-53.com points to: 2600:9000:5301:ac00::1 and 205.251.193.172

ns-619.awsdns-13.net points to: 2600:9000:5302:6b00::1 and 205.251.194.107

ns-1393.awsdns-46.org points to: 2600:9000:5305:7100::1 and 205.251.197.113

ns-1855.awsdns-39.co.uk points to: 2600:9000:5307:3f00::1 and 205.251.199.63

opensourceinformation.com - robtex.com