efficientbooks.com - dns.ninja
efficientbooks.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=1786576269 | ||||||
Subdomains
mail.efficientbooks.com |
Same first word
efficientbooks.co.uk |
efficientbooks.com |
DNS History
9 records (4 active, 5 former)
●NSns11.domaincontrol.com2015-07-12 → 2026-08-12 · 2 obs
● 2026-08-12 23:40:10
●NSns12.domaincontrol.com2015-07-12 → 2026-08-12 · 2 obs
● 2026-08-12 23:40:10
●MXefficientbooks-com.mail.protection.outlook.com2026-03-14 → 2026-08-12 · 3 obs
● 2026-03-14 22:31:18
● 2026-08-12 23:40:10
○MXmail.efficientbooks.com2015-07-12 → 2016-02-25 · 4 obs
● 2016-02-25 01:56:58
○ 2016-07-04 13:51:16
○ 2026-08-12 23:40:10
○MXmailstore1.secureserver.net2016-07-04 → 2020-01-01 · 5 obs
● 2016-07-04 13:51:16
● 2020-01-01 05:51:22
○ 2026-03-14 22:31:18
○ 2026-08-12 23:40:10
○MXsmtp.secureserver.net2016-07-04 → 2020-01-01 · 5 obs
● 2016-07-04 13:51:16
● 2020-01-01 05:51:22
○ 2026-03-14 22:31:18
○ 2026-08-12 23:40:10
○A108.77.52.992015-07-12 → 2017-02-15 · 4 obs
● 2017-02-15 08:04:00
○ 2020-01-01 05:51:22
○ 2026-08-12 23:40:10
●A75.8.32.762026-03-14 → 2026-08-12 · 3 obs
● 2026-03-14 22:31:18
● 2026-08-12 23:40:10
○A76.247.142.582020-01-01 → 2020-01-01 · 4 obs
● 2020-01-01 05:51:22
○ 2026-03-14 22:31:18
○ 2026-08-12 23:40:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| efficientbooks.com | ns11.domaincontrol.com, ns12.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.105.6
NS records: ns11.domaincontrol.com, ns12.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for efficientbooks.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.8.32.76 |
| NS | 2 | ns11.domaincontrol.com, ns12.domaincontrol.com |
| MX | 1 | efficientbooks-com.mail.protection.outlo |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | NS11.DOMAINCONTROL.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.domaincontrol.com, ns11.domaincontrol.com, ns12.domaincontrol.com...)
Analysis
Hierarchy
mail.efficientbooks.com is a subdomain of efficientbooks.com.
IP Addresses
efficientbooks.com points to a single IP number: 75.8.32.76.
Name Servers
efficientbooks.com has two authoritative name servers — ns11.domaincontrol.com and ns12.domaincontrol.com.
efficientbooks.com shares its name server setup with other domains, including stumptownsound.com, smartmums.in, brooklynautosale.com and two others.
Both ns11.domaincontrol.com and ns12.domaincontrol.com have two IP addresses each. ns11.domaincontrol.com resolves to 97.74.105.6 and 2603:5:2190::6; ns12.domaincontrol.com resolves to 173.201.73.6 and 2603:5:2290::6.
Mail Servers
efficientbooks.com has one mail server: efficientbooks-com.mail.protection.outlook.com.
efficientbooks-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.10.18, 52.101.11.9, 52.101.50.7 and 5 other.