studyfirst.com - robtex.com
studyfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns25.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2161::d🇺🇸 GODADDY-DNS2603:5:2160::/44 | ||||||
| PTR | ns25.domaincontrol.com | ||||||
| A | 97.74.102.13🇺🇸 GODADDY-DNS97.74.102.0/23 | ||||||
| PTR | ns25.domaincontrol.com | ||||||
| NS | ns26.domaincontrol.com | ||||||
| A | 2603:5:2261::d🇺🇸 GODADDY-DNS2603:5:2260::/44 | ||||||
| PTR | ns26.domaincontrol.com | ||||||
| A | 173.201.70.13🇺🇸 GODADDY-DNS173.201.70.0/23 | ||||||
| PTR | ns26.domaincontrol.com | ||||||
| MX | ex.studyfirstgroup.com ⭐ | ||||||
| TXT | v=spf1 mx include:ex.studyfirstgroup.com -all | ||||||
| SOA | ns25.domaincontrol.comdns@jomax.net 2026-06-03 #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=1790924009 | ||||||
Subdomains
www.studyfirst.com |
Same first word
studyfirst.kz |
studyfirst.app |
studyfirst.com.au |
studyfirst.au |
studyfirst.ae |
studyfirst.ph |
studyfirst.co.uk |
studyfirst.global |
studyfirst.com |
studyfirst.net |
studyfirst.ru |
studyfirst.org |
Similar names
Previous names
Next names
DNS History
6 records (5 active, 1 former)
●NSns25.domaincontrol.com2015-05-24 → 2026-10-02 · 2 obs
● 2026-10-02 07:04:36
●NSns26.domaincontrol.com2015-05-24 → 2026-10-02 · 2 obs
● 2026-10-02 07:04:36
●MXex.studyfirstgroup.com2015-05-24 → 2026-10-02 · 2 obs
● 2026-10-02 07:04:36
●A15.197.148.332026-09-29 → 2026-10-02 · 3 obs
● 2026-09-29 16:15:00
● 2026-10-02 07:04:36
●A3.33.130.1902026-09-29 → 2026-10-02 · 3 obs
● 2026-09-29 16:15:00
● 2026-10-02 07:04:36
○A50.62.160.952015-05-24 → 2017-07-05 · 4 obs
● 2017-07-05 17:16:12
○ 2026-09-29 16:15:00
○ 2026-10-02 07:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| studyfirst.com | ns25.domaincontrol.com, ns26.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.102.13
NS records: ns25.domaincontrol.com, ns26.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyfirst.com (unsigned zone)
⏱️ Timing
Total: 330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns25.domaincontrol.com, ns26.domaincontrol.com |
| MX | 1 | ex.studyfirstgroup.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:ex.studyfirstgroup.com |
| SOA | 1 | ns25.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns25.domaincontrol.com, ns25.domaincontrol.com, ns26.domaincontrol.com...)
Analysis
Hierarchy
studyfirst.com is the parent zone for www.studyfirst.com.
IP Addresses
studyfirst.com resolves to the IP addresses 3.33.130.190 and 15.197.148.33
Two other host names, along with arbortreetx.com, riomortgages.com and ready2rideauto.com, also share IP numbers with studyfirst.com.
Name Servers
studyfirst.com is delegated to two name servers: ns25.domaincontrol.com and ns26.domaincontrol.com.
studyfirst.com shares its NS records with other domains, for example coastalcaninemassage.ca, shoplittlelocal.ca, mgcatskill.com and two others.
ns25.domaincontrol.com and ns26.domaincontrol.com each resolve to two IP addresses: ns25.domaincontrol.com points to 97.74.102.13 and 2603:5:2161::d, while ns26.domaincontrol.com points to 173.201.70.13 and 2603:5:2261::d.
Mail Servers
The sole mail server for studyfirst.com is ex.studyfirstgroup.com.
Other domains such as healthbay.com, britishcouncilschool.com and modeluk.com share the same mail server setup as studyfirst.com.