opensource.gov - dns.ninja
opensource.gov
gov
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.gov ⭐ | ||||||
| NS | b.ns.gov | ||||||
| NS | c.ns.gov | ||||||
| NS | d.ns.gov | ||||||
| SOA | a.ns.govdns@cloudflare.com serial=1783738082 | ||||||
Subdomains
emma-test.opensource.gov |
sade.opensource.gov |
osiris.opensource.gov |
sade-rs.opensource.gov |
www.opensource.gov |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSauth02.ns.uu.net2015-08-04 → 2017-07-21 · 4 obs
● 2017-07-21 03:22:30
○ 2020-09-13 02:36:52
○ 2026-07-11 03:14:00
○NSauth20.ns.wcom.com2015-08-04 → 2017-07-21 · 4 obs
● 2017-07-21 03:22:30
○ 2020-09-13 02:36:52
○ 2026-07-11 03:14:00
○NSext-dns01.rccb.osis.gov2015-08-04 → 2017-07-21 · 4 obs
● 2017-07-21 03:22:30
○ 2020-09-13 02:36:52
○ 2026-07-11 03:14:00
●NSns-1374.awsdns-43.org2020-09-13 → 2026-07-11 · 3 obs
● 2020-09-13 02:36:52
● 2026-07-11 03:14:00
●NSns-1627.awsdns-11.co.uk2020-09-13 → 2026-07-11 · 3 obs
● 2020-09-13 02:36:52
● 2026-07-11 03:14:00
●NSns-296.awsdns-37.com2020-09-13 → 2026-07-11 · 3 obs
● 2020-09-13 02:36:52
● 2026-07-11 03:14:00
●NSns-544.awsdns-04.net2020-09-13 → 2026-07-11 · 3 obs
● 2020-09-13 02:36:52
● 2026-07-11 03:14:00
●MXopensource-gov.mail.protection.outlook.com2017-02-17 → 2026-07-11 · 2 obs
● 2026-07-11 03:14:00
●A199.221.15.752015-08-04 → 2026-07-11 · 2 obs
● 2026-07-11 03:14:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gov | a.ns.gov, b.ns.gov, c.ns.gov, d.ns.gov | 8 records |
| opensource.gov | ns-1374.awsdns-43.org, ns-1627.awsdns-11.co.uk, ns-296.awsdns-37.com, ns-544.awsdns-04.net | - |
✅ Authoritative Response
Server:205.251.193.40
NS records: ns-1374.awsdns-43.org, ns-1627.awsdns-11.co.uk, ns-296.awsdns-37.com, ns-544.awsdns-04.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.221.15.75 |
| NS | 4 | ns-1374.awsdns-43.org, ns-1627.awsdns-11.co.uk... |
| MX | 1 | opensource-gov.mail.protection.outlook.c |
| TXT | 7 | 1nkknnfn01oeaaer11ehi7q2s3, 3m1a3f2qlpkciul9qb5b8sa8pg... |
| SOA | 1 | ns-544.awsdns-04.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.gov, b.ns.gov, c.ns.gov...)
Analysis
Hierarchy
emma-test.opensource.gov, sade.opensource.gov, osiris.opensource.gov, sade-rs.opensource.gov and www.opensource.gov are all subdomains of opensource.gov.
IP Addresses
opensource.gov resolves to one IP address: 199.221.15.75.
Among the host names that share IP numbers with opensource.gov is www.opensource.gov, as one example.
Name Servers
The authoritative name servers for opensource.gov are ns-296.awsdns-37.com, ns-544.awsdns-04.net, ns-1374.awsdns-43.org and ns-1627.awsdns-11.co.uk.
The name servers of opensource.gov overlap at least partially with those of other domains — among them eller.arizona.edu, windfinder.us, bccbrescia.it and two more.
Each of the four hosts ns-296.awsdns-37.com, ns-544.awsdns-04.net, ns-1374.awsdns-43.org and ns-1627.awsdns-11.co.uk has two IP addresses. ns-296.awsdns-37.com points to 205.251.193.40 and 2600:9000:5301:2800::1. ns-544.awsdns-04.net points to 205.251.194.32 and 2600:9000:5302:2000::1. ns-1374.awsdns-43.org points to 205.251.197.94 and 2600:9000:5305:5e00::1. ns-1627.awsdns-11.co.uk points to 205.251.198.91 and 2600:9000:5306:5b00::1.
Mail Servers
Mail for opensource.gov is handled by a single mail server, opensource-gov.mail.protection.outlook.com.
opensource-gov.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.8.50, 52.101.8.52, 52.101.9.19 and 5 others.