studyguideapp.com - robtex.com
studyguideapp.com
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=1774491397 | ||||||
Same first word
studyguideapp.com |
DNS History
6 records (5 active, 1 former)
●NSns49.domaincontrol.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 02:45:32
●NSns50.domaincontrol.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 02:45:32
●MXstudyguideapp-com.mail.protection.outlook.com2026-02-15 → 2026-03-26 · 2 obs
● 2026-03-26 02:45:32
●A15.197.225.1282026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 06:25:56
● 2026-03-26 02:45:32
●A3.33.251.1682026-02-15 → 2026-03-26 · 3 obs
● 2026-02-15 06:25:56
● 2026-03-26 02:45:32
○A74.220.199.62015-05-24 → 2017-04-02 · 4 obs
● 2017-04-02 22:02:28
○ 2026-02-15 06:25:56
○ 2026-03-26 02:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| studyguideapp.com | ns49.domaincontrol.com, ns50.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.72.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyguideapp.com (unsigned zone)
⏱️ Timing
Total: 166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| MX | 1 | studyguideapp-com.mail.protection.outloo |
| TXT | 2 | NETORGFT13981173.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns49.domaincontrol.com, ns49.domaincontrol.com, ns50.domaincontrol.com...)
Analysis
IP Addresses
studyguideapp.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.
Other host names such as smutny.at, sgnpl.com, a9648.com, monstercomps.com and longhillrecording.com share IPs with studyguideapp.com.
Name Servers
Two name servers ns49.domaincontrol.com and ns50.domaincontrol.com handle the delegation for studyguideapp.com.
studyguideapp.com shares the same name server setup as other domains, for example jim-lunsford.com, illinoisgunrange.com, insitu-avr.com, plexey.com and pinky(0x736578).com.
studyguideapp.com partially shares name servers with other domains, for example jabeztec.com and thecatprotectionsociety.org.
Host names with two IP numbers:
ns49.domaincontrol.com points to 2603:5:2182::19 and 97.74.104.25.
ns50.domaincontrol.com points to 2603:5:2282::19 and 173.201.72.25.
Mail Servers
The studyguideapp-com.mail.protection.outlook.com mail server handles studyguideapp.com.
studyguideapp-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::8, 52.101.68.3, 52.101.73.1, 52.101.73.12 and 52.101.73.24.