lecturabooks.com - robtex.com
lecturabooks.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=1778397246 | ||||||
Subdomains
mail.lecturabooks.com |
Same first word
lecturabooks.com |
Similar names
DNS History
11 records (5 active, 6 former)
●NSdns1.registrar-servers.com2015-07-03 → 2026-05-10 · 2 obs
● 2026-05-10 07:25:00
●NSdns2.registrar-servers.com2015-11-09 → 2026-05-10 · 3 obs
● 2015-11-09 11:19:40
● 2026-05-10 07:25:00
○NSdns3.registrar-servers.com2015-11-09 → 2016-05-05 · 5 obs
● 2015-11-09 11:19:40
● 2016-05-05 07:03:40
○ 2016-11-24 10:17:02
○ 2026-05-10 07:25:00
○NSdns4.registrar-servers.com2015-11-09 → 2016-05-05 · 5 obs
● 2015-11-09 11:19:40
● 2016-05-05 07:03:40
○ 2016-11-24 10:17:02
○ 2026-05-10 07:25:00
○NSdns5.registrar-servers.com2015-11-09 → 2016-05-05 · 5 obs
● 2015-11-09 11:19:40
● 2016-05-05 07:03:40
○ 2016-11-24 10:17:02
○ 2026-05-10 07:25:00
○MXlecturabooks.com.bak-mx.na0101.smtpbak.com2015-07-03 → 2016-11-24 · 4 obs
● 2016-11-24 10:17:02
○ 2026-04-03 09:08:54
○ 2026-05-10 07:25:00
○MXlecturabooks.com.pri-mx.na0101.smtproutes.com2015-07-03 → 2016-11-24 · 4 obs
● 2016-11-24 10:17:02
○ 2026-04-03 09:08:54
○ 2026-05-10 07:25:00
●MXmx1-us1.ppe-hosted.com2026-04-03 → 2026-05-10 · 3 obs
● 2026-04-03 09:08:54
● 2026-05-10 07:25:00
●MXmx2-us1.ppe-hosted.com2026-04-03 → 2026-05-10 · 3 obs
● 2026-04-03 09:08:54
● 2026-05-10 07:25:00
○A192.81.128.472015-07-03 → 2016-11-24 · 4 obs
● 2016-11-24 10:17:02
○ 2026-04-03 09:08:54
○ 2026-05-10 07:25:00
●A72.167.39.2192026-04-03 → 2026-05-10 · 3 obs
● 2026-04-03 09:08:54
● 2026-05-10 07:25:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net... | - |
| lecturabooks.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lecturabooks.com (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.167.39.219 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20) |
| TXT | 7 | ppe-846c948d69865875dbb8, t9fine5kq7a3o0qshsgbri6vm7... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
Hierarchy
lecturabooks.com is parent of mail.lecturabooks.com.
IP Addresses
lecturabooks.com points to a single IP: 72.167.39.219.
Other host names such as latinoliteracy.com and 219.39.167.72.host.secureserver.net share IP numbers with lecturabooks.com.
Name Servers
lecturabooks.com's delegation is to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.
lecturabooks.com shares the same name server configuration as other domains, such as pluginsforbeginners.com, savepes.com, rimkusforensics.com, rxsc.info and openskey.com.
lecturabooks.com at least partially shares its name servers with other domains, for instance net7x.com, removal.directory, salaryformula.com, xtsinc.net and psychmanager.com.
These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Host names with two IP numbers: dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200
Mail Servers
Two mail servers mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com handle lecturabooks.com.
lecturabooks.com uses the same mail server setup as other domains such as fetaldx.com, jaespace.com, dissola.com, iowalaw.org and tjmconsultants.com.
lecturabooks.com shares some mail servers with other domains, including dianegehart.com, eastedentech.com, treoconstruction.com, psamllc.com and williamscountyprosecutor.com.
Host names with two IP numbers: mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50; mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51