mystudymanager.com - dns.ninja
mystudymanager.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.21.83.245🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix | ||||||
| PTR | ec2-3-21-83-245.us-east-2.compute.amazonaws.com | ||||||
| A | 18.225.105.11🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix | ||||||
| NS | ns-187.awsdns-23.com ⭐ | ||||||
| A | 2600:9000:5300:bb00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-187.awsdns-23.com | ||||||
| A | 205.251.192.187🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-187.awsdns-23.com | ||||||
| NS | ns-1394.awsdns-46.org | ||||||
| A | 2600:9000:5305:7200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1394.awsdns-46.org | ||||||
| A | 205.251.197.114🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1394.awsdns-46.org | ||||||
| NS | ns-1956.awsdns-52.co.uk | ||||||
| A | 2600:9000:5307:a400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1956.awsdns-52.co.uk | ||||||
| A | 205.251.199.164🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1956.awsdns-52.co.uk | ||||||
| NS | ns-928.awsdns-52.net | ||||||
| A | 2600:9000:5303:a000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-928.awsdns-52.net | ||||||
| A | 205.251.195.160🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-928.awsdns-52.net | ||||||
| SOA | ns-187.awsdns-23.comawsdns-hostmaster@amazon.com serial=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=1784316637 | ||||||
Subdomains
www.mystudymanager.com |
Same first word
mystudymanager.com |
DNS History
17 records (6 active, 11 former)
●NSns-1394.awsdns-46.org2026-03-29 → 2026-07-17 · 3 obs
● 2026-03-29 14:25:46
● 2026-07-17 19:55:50
●NSns-187.awsdns-23.com2026-03-29 → 2026-07-17 · 3 obs
● 2026-03-29 14:25:46
● 2026-07-17 19:55:50
●NSns-1956.awsdns-52.co.uk2026-03-29 → 2026-07-17 · 3 obs
● 2026-03-29 14:25:46
● 2026-07-17 19:55:50
●NSns-928.awsdns-52.net2026-03-29 → 2026-07-17 · 3 obs
● 2026-03-29 14:25:46
● 2026-07-17 19:55:50
○NSns67.domaincontrol.com2015-06-13 → 2016-09-21 · 4 obs
● 2016-09-21 02:37:24
○ 2020-03-07 05:20:42
○ 2026-07-17 19:55:50
○NSns68.domaincontrol.com2015-06-13 → 2016-09-21 · 4 obs
● 2016-09-21 02:37:24
○ 2020-03-07 05:20:42
○ 2026-07-17 19:55:50
○MXmailstore1.secureserver.net2015-06-13 → 2016-09-21 · 4 obs
● 2016-09-21 02:37:24
○ 2020-03-07 05:20:42
○ 2026-07-17 19:55:50
○MXsmtp.secureserver.net2015-06-13 → 2016-09-21 · 4 obs
● 2016-09-21 02:37:24
○ 2020-03-07 05:20:42
○ 2026-07-17 19:55:50
○A16.59.94.62026-05-05 → 2026-05-05 · 4 obs
● 2026-05-05 05:32:56
○ 2026-05-10 10:18:58
○ 2026-07-17 19:55:50
●A18.225.105.112026-05-10 → 2026-07-17 · 3 obs
● 2026-05-10 10:18:58
● 2026-07-17 19:55:50
○A3.132.113.1612026-03-29 → 2026-03-30 · 5 obs
● 2026-03-29 14:25:46
● 2026-03-30 07:56:58
○ 2026-05-05 05:32:56
○ 2026-07-17 19:55:50
○A3.149.140.1422026-03-29 → 2026-03-30 · 5 obs
● 2026-03-29 14:25:46
● 2026-03-30 07:56:58
○ 2026-05-05 05:32:56
○ 2026-07-17 19:55:50
○A3.150.162.1952026-03-29 → 2026-07-17 · 2 obs
○ 2026-07-17 19:55:50
○A3.20.246.2202026-05-05 → 2026-05-05 · 4 obs
● 2026-05-05 05:32:56
○ 2026-05-10 10:18:58
○ 2026-07-17 19:55:50
○A3.21.110.2322026-03-29 → 2026-07-17 · 2 obs
○ 2026-07-17 19:55:50
●A3.21.83.2452026-05-10 → 2026-07-17 · 3 obs
● 2026-05-10 10:18:58
● 2026-07-17 19:55:50
○A50.63.202.322015-06-13 → 2016-09-21 · 4 obs
● 2016-09-21 02:37:24
○ 2020-03-07 05:20:42
○ 2026-07-17 19:55:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| mystudymanager.com | ns-187.awsdns-23.com, ns-928.awsdns-52.net, ns-1956.awsdns-52.co.uk, ns-1394.awsdns-46.org | 2 records |
✅ Authoritative Response
Server:205.251.197.114
NS records: ns-187.awsdns-23.com, ns-928.awsdns-52.net, ns-1956.awsdns-52.co.uk, ns-1394.awsdns-46.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mystudymanager.com (unsigned zone)
⏱️ Timing
Total: 1556ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 18.190.35.29, 3.132.241.167 |
| NS | 4 | ns-1394.awsdns-46.org, ns-187.awsdns-23.com... |
| SOA | 1 | ns-187.awsdns-23.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-187.awsdns-23.com, ns-187.awsdns-23.com)
Analysis
Hierarchy
mystudymanager.com is the parent zone for www.mystudymanager.com.
IP Addresses
mystudymanager.com resolves to the IP addresses 3.21.83.245 and 18.225.105.11
Name Servers
Four name servers handle the delegation for mystudymanager.com: ns-187.awsdns-23.com, ns-928.awsdns-52.net, ns-1394.awsdns-46.org and ns-1956.awsdns-52.co.uk.
ns-187.awsdns-23.com, ns-928.awsdns-52.net, ns-1394.awsdns-46.org and ns-1956.awsdns-52.co.uk each carry two IP addresses. ns-187.awsdns-23.com has 205.251.192.187 and 2600:9000:5300:bb00::1; ns-928.awsdns-52.net has 205.251.195.160 and 2600:9000:5303:a000::1; ns-1394.awsdns-46.org has 205.251.197.114 and 2600:9000:5305:7200::1; ns-1956.awsdns-52.co.uk has 205.251.199.164 and 2600:9000:5307:a400::1.