passcourse.com - dns.ninja
passcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns39.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d1::14🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns39.domaincontrol.com | ||||||
| A | 97.74.109.20🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns39.domaincontrol.com | ||||||
| NS | ns40.domaincontrol.com | ||||||
| A | 2603:5:22d1::14🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns40.domaincontrol.com | ||||||
| A | 173.201.77.20🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns40.domaincontrol.com | ||||||
| MX | mail.passcourse.com ⭐ | ||||||
| SOA | ns39.domaincontrol.comdns@jomax.net 2024-03-06 #0 | ||||||
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=1781888730 | ||||||
Same first word
passcourse.com |
Similar names
coursepass.com |
sapcourses.ru |
passsource.com |
processusa.com |
cursossepa.com |
coursepass.net |
sourcepass.com |
coursepass.org |
ausprocess.com |
usaprocess.com |
aprocessus.com |
sourcepass.careers |
aspcourses.com |
DNS History
8 records (3 active, 5 former)
○NSns.hosteurope.com2008-03-19 → 2017-07-07 · 4 obs
● 2017-07-07 20:17:52
○ 2026-04-27 00:55:52
○ 2026-06-19 17:31:10
○NSns2.hosteurope.com2008-03-19 → 2008-03-19 · 3 obs
○ 2015-07-07 16:31:50
○ 2026-06-19 17:31:10
●NSns39.domaincontrol.com2026-04-27 → 2026-06-19 · 3 obs
● 2026-04-27 00:55:52
● 2026-06-19 17:31:10
●NSns40.domaincontrol.com2026-04-27 → 2026-06-19 · 3 obs
● 2026-04-27 00:55:52
● 2026-06-19 17:31:10
●MXmail.passcourse.com2008-03-19 → 2026-06-19 · 5 obs
○ 2015-07-07 16:31:50
○ 2017-07-07 20:17:52
● 2026-04-27 00:55:52
● 2026-06-19 17:31:10
○A104.40.145.1082015-07-07 → 2016-12-09 · 5 obs
● 2015-07-07 16:31:50
● 2016-12-09 18:43:26
○ 2017-07-07 20:17:52
○ 2026-06-19 17:31:10
○A62.232.39.162008-03-19 → 2008-03-19 · 3 obs
○ 2015-07-07 16:31:50
○ 2026-06-19 17:31:10
○CNAMEpasscoursezeta.cloudapp.net2015-07-07 → 2017-07-07 · 5 obs
● 2015-07-07 16:31:50
● 2017-07-07 20:17:52
○ 2026-04-27 00:55:52
○ 2026-06-19 17:31:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| passcourse.com | ns39.domaincontrol.com, ns40.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.77.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for passcourse.com (unsigned zone)
⏱️ Timing
Total: 132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| MX | 1 | mail.passcourse.com (pri: 10) |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)
Analysis
Name Servers
The NS records for passcourse.com delegate to ns39.domaincontrol.com and ns40.domaincontrol.com.
passcourse.com has the same name server delegation as a number of other domains, such as printandmailcenter.net, pioneersstl.org, a2offices.com and two more.
passcourse.com and other domains like ioan.ca share at least a portion of their name servers.
ns39.domaincontrol.com resolves to 97.74.109.20 and 2603:5:21d1::14. Likewise, ns40.domaincontrol.com resolves to 173.201.77.20 and 2603:5:22d1::14 — two IP addresses apiece.
Mail Servers
passcourse.com routes its mail through a single mail server, mail.passcourse.com.