opensourcecollege.com - dns.ninja
opensourcecollege.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2026-05-07 #2 | ||||||
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.netnstld@verisign-grs.com serial=1785182037 | ||||||
Same first word
opensourcecollege.com |
DNS History
22 records (4 active, 18 former)
○NSdns0.zoneedit.com2015-07-25 → 2015-11-21 · 4 obs
● 2015-07-25 11:20:44
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
●NSns19.domaincontrol.com2018-08-18 → 2026-07-27 · 3 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
● 2026-07-27 20:08:54
● 2018-08-18 07:26:04
● 2026-07-27 20:08:54
●NSns20.domaincontrol.com2018-08-18 → 2026-07-27 · 3 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
● 2026-07-27 20:08:54
● 2018-08-18 07:26:04
● 2026-07-27 20:08:54
○NSns33.domaincontrol.com2017-01-24 → 2017-01-24 · 4 obs
○ 2016-02-27 23:01:36
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
○NSns34.domaincontrol.com2017-01-24 → 2017-01-24 · 4 obs
○ 2016-02-27 23:01:36
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
○NSns7.zoneedit.com2015-07-25 → 2015-11-21 · 4 obs
● 2015-07-25 11:20:44
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
○NSns9.zoneedit.com2015-07-25 → 2015-11-21 · 4 obs
● 2015-07-25 11:20:44
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
○MXmail.opensourcecollege.com2015-07-25 → 2015-11-21 · 4 obs
● 2015-07-25 11:20:44
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
○MXmailstore1.secureserver.net2017-01-24 → 2017-01-24 · 4 obs
○ 2016-02-27 23:01:36
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
○MXsmtp.secureserver.net2017-01-24 → 2017-01-24 · 4 obs
○ 2016-02-27 23:01:36
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
●A15.197.225.1282026-03-29 → 2026-07-27 · 3 obs
○ 2018-08-18 07:26:04
● 2026-03-29 22:00:44
● 2026-07-27 20:08:54
● 2026-03-29 22:00:44
● 2026-07-27 20:08:54
○A184.168.221.392018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A184.168.221.472017-01-24 → 2017-01-24 · 4 obs
○ 2016-02-27 23:01:36
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
● 2017-01-24 21:19:12
○ 2018-08-18 07:26:04
○ 2026-07-27 20:08:54
○A184.168.221.542018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A190.187.19.432015-07-25 → 2015-11-21 · 4 obs
● 2015-07-25 11:20:44
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
● 2015-11-21 00:00:38
○ 2016-02-27 23:01:36
○ 2026-07-27 20:08:54
●A3.33.251.1682026-03-29 → 2026-07-27 · 3 obs
○ 2018-08-18 07:26:04
● 2026-03-29 22:00:44
● 2026-07-27 20:08:54
● 2026-03-29 22:00:44
● 2026-07-27 20:08:54
○A50.63.202.402018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A50.63.202.482018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A50.63.202.532018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A50.63.202.542018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A50.63.202.602018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
○A50.63.202.612018-08-18 → 2018-08-18 · 4 obs
○ 2017-01-24 21:19:12
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
● 2018-08-18 07:26:04
○ 2026-03-29 22:00:44
○ 2026-07-27 20:08:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| opensourcecollege.com | ns19.domaincontrol.com, ns20.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.77.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensourcecollege.com (unsigned zone)
⏱️ Timing
Total: 119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)
Analysis
IP Addresses
opensourcecollege.com points to the IP addresses 3.33.251.168 and 15.197.225.128
Among the host names that share IP numbers with opensourcecollege.com are yogawitharia.com, esperantocommerce.com, investsmart.in and two others.
Name Servers
opensourcecollege.com is served by two delegated name servers, ns19.domaincontrol.com and ns20.domaincontrol.com.
opensourcecollege.com has the same name server delegation as a number of other domains, such as commercialuseonly.com, santorinitoursandexcursions.com, themcgeelawfirm.com and two more.
Each of the two host names carries two IP addresses: ns19.domaincontrol.com points to 97.74.109.10 and 2603:5:21d0::a, and ns20.domaincontrol.com points to 173.201.77.10 and 2603:5:22d0::a.