rootcourse.com - dns.ninja
rootcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns15.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b0::8🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns15.domaincontrol.com | ||||||
| A | 97.74.107.8🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns15.domaincontrol.com | ||||||
| NS | ns16.domaincontrol.com | ||||||
| A | 2603:5:22b0::8🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns16.domaincontrol.com | ||||||
| A | 173.201.75.8🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns16.domaincontrol.com | ||||||
| SOA | ns15.domaincontrol.comdns@jomax.net 2025-02-23 #1 | ||||||
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=1785581697 | ||||||
Same first word
rootcourse.com |
Similar names
courseroot.com |
rootsource.com |
rootsource.org |
ortosource.com |
sourceroot.com |
rotosource.com |
rootsource.net |
rootsource.de |
DNS History
16 records (4 active, 12 former)
○NSns-cloud-e1.googledomains.com2017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 07:21:28
○ 2026-05-15 16:40:20
○ 2026-08-01 11:17:10
○NSns-cloud-e2.googledomains.com2017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 07:21:28
○ 2026-05-15 16:40:20
○ 2026-08-01 11:17:10
○NSns-cloud-e3.googledomains.com2017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 07:21:28
○ 2026-05-15 16:40:20
○ 2026-08-01 11:17:10
○NSns-cloud-e4.googledomains.com2017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 07:21:28
○ 2026-05-15 16:40:20
○ 2026-08-01 11:17:10
○NSns1.shellit.org2015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
●NSns15.domaincontrol.com2026-05-15 → 2026-08-01 · 3 obs
● 2026-05-15 16:40:20
● 2026-08-01 11:17:10
●NSns16.domaincontrol.com2026-05-15 → 2026-08-01 · 3 obs
● 2026-05-15 16:40:20
● 2026-08-01 11:17:10
○NSns2.shellit.org2015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
○NSns3.shellit.org2015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
○MXmail1.shellit.org2015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
○MXmail2.shellit.org2015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
●A13.248.243.52026-05-15 → 2026-08-01 · 3 obs
● 2026-05-15 16:40:20
● 2026-08-01 11:17:10
○A164.215.39.2022015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
○A23.229.234.1302017-05-18 → 2017-05-18 · 4 obs
● 2017-05-18 07:21:28
○ 2026-05-15 16:40:20
○ 2026-08-01 11:17:10
○A2a03:e581:4::122015-08-02 → 2015-12-27 · 4 obs
● 2015-12-27 15:19:42
○ 2016-03-28 03:18:54
○ 2026-08-01 11:17:10
●A76.223.105.2302026-05-15 → 2026-08-01 · 3 obs
● 2026-05-15 16:40:20
● 2026-08-01 11:17:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rootcourse.com | ns15.domaincontrol.com, ns16.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.75.8
NS records: ns15.domaincontrol.com, ns16.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rootcourse.com (unsigned zone)
⏱️ Timing
Total: 335ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns15.domaincontrol.com, ns16.domaincontrol.com |
| SOA | 1 | ns15.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns15.domaincontrol.com, ns15.domaincontrol.com, ns16.domaincontrol.com...)
Analysis
IP Addresses
rootcourse.com has two IP addresses: 13.248.243.5 and 76.223.105.230
Two other host names, along with ovconnect.org, steveglucksberg.com and rebel-books.com, also share IP numbers with rootcourse.com.
Name Servers
rootcourse.com is delegated to two name servers: ns15.domaincontrol.com and ns16.domaincontrol.com.
rootcourse.com shares its NS records with other domains, for example homesandpropertiesinalaska.com, freude-und-hoffnung.info, mens(0x736578)ualhealthtreatments.com and two others.
ns15.domaincontrol.com and ns16.domaincontrol.com each resolve to two IP addresses: ns15.domaincontrol.com points to 97.74.107.8 and 2603:5:21b0::8, while ns16.domaincontrol.com points to 173.201.75.8 and 2603:5:22b0::8.