cgtutor.com - dns.ninja
cgtutor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| NS | ns29.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2181::f🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns29.domaincontrol.com | ||||||
| A | 97.74.104.15🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns29.domaincontrol.com | ||||||
| NS | ns30.domaincontrol.com | ||||||
| A | 2603:5:2281::f🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns30.domaincontrol.com | ||||||
| A | 173.201.72.15🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns30.domaincontrol.com | ||||||
| SOA | ns29.domaincontrol.comdns@jomax.net 2026-04-03 #6 | ||||||
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=1785880069 | ||||||
Subdomains
www.cgtutor.com |
Same first word
cgtutor.com |
Similar names
DNS History
16 records (4 active, 12 former)
○NSns1.afraid.org2015-05-25 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
○NSns2.afraid.org2015-05-25 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
●NSns29.domaincontrol.com2026-05-04 → 2026-08-04 · 3 obs
● 2026-05-04 16:49:28
● 2026-08-04 21:52:50
○NSns3.afraid.org2015-05-25 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
●NSns30.domaincontrol.com2026-05-04 → 2026-08-04 · 3 obs
● 2026-05-04 16:49:28
● 2026-08-04 21:52:50
○NSns33.domaincontrol.com2026-05-04 → 2026-08-04 · 2 obs
○ 2026-08-04 21:52:50
○NSns34.domaincontrol.com2026-05-04 → 2026-08-04 · 2 obs
○ 2026-08-04 21:52:50
○NSns4.afraid.org2015-05-25 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
○MXmail.cgtutor.com2015-05-25 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
○A108.216.215.1582020-04-04 → 2020-04-04 · 4 obs
● 2020-04-04 04:35:20
○ 2026-05-04 16:49:28
○ 2026-08-04 21:52:50
●A13.248.213.452026-05-04 → 2026-08-04 · 3 obs
● 2026-05-04 16:49:28
● 2026-08-04 21:52:50
○A71.47.148.1702015-12-15 → 2015-12-15 · 4 obs
● 2015-12-15 08:24:32
○ 2016-03-15 09:54:08
○ 2026-08-04 21:52:50
○A71.47.151.592015-05-25 → 2015-10-16 · 4 obs
● 2015-10-16 13:49:06
○ 2015-12-15 08:24:32
○ 2026-08-04 21:52:50
○A71.47.152.1392016-03-15 → 2016-07-12 · 5 obs
● 2016-03-15 09:54:08
● 2016-07-12 13:01:12
○ 2017-03-18 04:04:18
○ 2026-08-04 21:52:50
○A72.189.75.902017-03-18 → 2017-03-18 · 4 obs
● 2017-03-18 04:04:18
○ 2020-04-04 04:35:20
○ 2026-08-04 21:52:50
●A76.223.67.1892026-05-04 → 2026-08-04 · 3 obs
● 2026-05-04 16:49:28
● 2026-08-04 21:52:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cgtutor.com | ns29.domaincontrol.com, ns30.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.104.15
NS records: ns29.domaincontrol.com, ns30.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cgtutor.com (unsigned zone)
⏱️ Timing
Total: 190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns29.domaincontrol.com, ns30.domaincontrol.com |
| SOA | 1 | ns29.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns29.domaincontrol.com, ns29.domaincontrol.com, ns30.domaincontrol.com...)
Analysis
Hierarchy
The domain www.cgtutor.com falls under the parent cgtutor.com.
IP Addresses
cgtutor.com points to the IP addresses 13.248.213.45 and 76.223.67.189
Among the host names that share IP numbers with cgtutor.com are mob99(0x736578).com, dmmserver.uk, omaikraf.com and two others.
Name Servers
cgtutor.com is delegated to two name servers: ns29.domaincontrol.com and ns30.domaincontrol.com.
cgtutor.com has the same name server delegation as a number of other domains, such as fertility-miami.com, 5280vet.com, genesisstoneusa.com and two more.
cgtutor.com shares at least some of its name servers with other domains, such as lincoln.ed.cr.
ns29.domaincontrol.com and ns30.domaincontrol.com each resolve to two IP addresses: ns29.domaincontrol.com points to 97.74.104.15 and 2603:5:2181::f, while ns30.domaincontrol.com points to 173.201.72.15 and 2603:5:2281::f.