estudybook.com - robtex.com
estudybook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #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=1777206181 | ||||||
Same first word
estudybook.com |
Similar names
DNS History
17 records (4 active, 13 former)
○NSns05.domaincontrol.com2015-04-26 → 2017-01-02 · 4 obs
● 2017-01-02 16:55:20
○ 2017-12-31 08:17:12
○ 2026-04-26 12:30:22
○NSns06.domaincontrol.com2015-04-26 → 2017-01-02 · 4 obs
● 2017-01-02 16:55:20
○ 2017-12-31 08:17:12
○ 2026-04-26 12:30:22
○NSns1.parklogic.com2017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
○NSns2.parklogic.com2017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
●NSns3.afternic.com2026-03-29 → 2026-04-26 · 3 obs
● 2026-03-29 17:32:06
● 2026-04-26 12:30:22
○NSns3.parklogic.com2017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
●NSns4.afternic.com2026-03-29 → 2026-04-26 · 3 obs
● 2026-03-29 17:32:06
● 2026-04-26 12:30:22
○NSns4.parklogic.com2017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
○NSns5.parklogic.com2017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
○MX.2026-03-29 → 2026-04-26 · 2 obs
○ 2026-04-26 12:30:22
○MXmx.zoho.com2015-04-26 → 2017-01-02 · 4 obs
● 2017-01-02 16:55:20
○ 2017-12-31 08:17:12
○ 2026-04-26 12:30:22
○MXmx2.zoho.com2015-04-26 → 2017-01-02 · 4 obs
● 2017-01-02 16:55:20
○ 2017-12-31 08:17:12
○ 2026-04-26 12:30:22
●A13.248.169.482026-03-29 → 2026-04-26 · 3 obs
● 2026-03-29 17:32:06
● 2026-04-26 12:30:22
○A50.63.202.922017-01-02 → 2017-01-02 · 4 obs
● 2017-01-02 16:55:20
○ 2017-12-31 08:17:12
○ 2026-04-26 12:30:22
○A54.69.121.132015-04-26 → 2016-04-26 · 4 obs
● 2016-04-26 03:47:36
○ 2017-01-02 16:55:20
○ 2026-04-26 12:30:22
○A67.225.218.502017-12-31 → 2017-12-31 · 4 obs
● 2017-12-31 08:17:12
○ 2026-03-29 17:32:06
○ 2026-04-26 12:30:22
●A76.223.54.1462026-03-29 → 2026-04-26 · 3 obs
● 2026-03-29 17:32:06
● 2026-04-26 12:30:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| estudybook.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for estudybook.com (unsigned zone)
⏱️ Timing
Total: 241ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
estudybook.com has two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance juegosdegolf.com, vrvas.com, www.lightbitcoin.com, stiasny.com and g1ve.com share IP numbers with estudybook.com.
Name Servers
estudybook.com's delegation uses two name servers: ns3.afternic.com and ns4.afternic.com.
estudybook.com uses the same name server setup as other domains, such as jpduffylaw.com, miamihalf.com, globalsportsjobsmail.com, mail.regexp.com and verduro.ca.
estudybook.com at least partially shares name servers with other domains, including daroo.co, elcorazon.org, nesoft.com, addthemes.com and firetravel.com.
These name servers are commonly used with verification-zbrr88zn3efxu6xznzdyw8.ns101.verify.hn.
Host names with a single IP address: ns3.afternic.com points to 97.74.98.65; ns4.afternic.com points to 173.201.66.65.