diffbook.com - robtex.com
diffbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.249.115.238🇮🇷 Netafraz80.249.115.0/24 | ||||||
| PTR | fwx.srv70.irwebspace.com | ||||||
| NS | irns1.netafraz.com ⭐ | ||||||
| A | 185.78.22.2🇮🇷 Tebyan185.78.22.0/24 | ||||||
| PTR | irns1.netafraz.com | ||||||
| NS | irns2.netafraz.com | ||||||
| A | 185.78.22.2🇮🇷 Tebyan185.78.22.0/24 | ||||||
| PTR | irns1.netafraz.com | ||||||
| MX | mail.diffbook.com ⭐ | ||||||
| A | 80.249.115.238🇮🇷 Netafraz80.249.115.0/24 | ||||||
| PTR | fwx.srv70.irwebspace.com | ||||||
| TXT | v=spf1 a mx ip4:80.249.115.0/24 include:_auxspf.axspace.com ~all | ||||||
| SOA | irns1.netafraz.comhostmaster@diffbook.com 2026-07-20 #4 | ||||||
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=1788022700 | ||||||
Subdomains
mail.diffbook.com |
Same first word
diffbook.com |
Similar names
Previous names
Next names
DNS History
5 records (4 active, 1 former)
●NSirns1.netafraz.com2026-08-26 → 2026-08-29 · 2 obs
● 2026-08-29 17:15:38
●NSirns2.netafraz.com2026-08-26 → 2026-08-29 · 2 obs
● 2026-08-29 17:15:38
●MXmail.diffbook.com2026-08-26 → 2026-08-29 · 4 obs
○ 2026-08-26 08:49:42
● 2026-08-26 10:08:00
● 2026-08-29 17:15:38
○A74.220.199.82015-06-10 → 2017-04-19 · 4 obs
● 2017-04-19 06:19:34
○ 2026-08-26 03:15:28
○ 2026-08-29 17:15:38
●A80.249.115.2382026-08-26 → 2026-08-29 · 5 obs
● 2026-08-26 03:15:28
○ 2026-08-26 08:49:42
● 2026-08-26 10:08:00
● 2026-08-29 17:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| diffbook.com | irns1.netafraz.com, irns2.netafraz.com | 2 records |
✅ Authoritative Response
Server:185.78.22.2
NS records: irns1.netafraz.com, irns2.netafraz.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for diffbook.com (unsigned zone)
⏱️ Timing
Total: 1320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.249.115.238 |
| NS | 2 | irns1.netafraz.com, irns2.netafraz.com |
| MX | 1 | mail.diffbook.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:80.249.115.0/24 include: |
| SOA | 1 | irns1.netafraz.com hostmaster.diffbook.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (irns1.netafraz.com, irns2.netafraz.com)
Analysis
Hierarchy
The domain mail.diffbook.com falls under the parent diffbook.com.
IP Addresses
diffbook.com has exactly one IP address — 80.249.115.238.
mail.atisunpars.com, shahrremote.ir, fwx.srv70.irwebspace.com plus two other host names have IP numbers in common with diffbook.com.
Name Servers
The NS records for diffbook.com delegate to irns1.netafraz.com and irns2.netafraz.com.
The name server configuration of diffbook.com is shared with other domains, for instance coolmeltco.com, farazeandishe.ir, zagrosmakhzan.ir and two others.
At least some of diffbook.com's name servers are shared with other domains, for example myliangroup.com, comsoc.ir, tamiratkojast.ir and two more.
It is common for these name servers to be used in conjunction with the name servers ns2.netafraz.com, ns.netafraz.com and ns3.netafraz.com.
Each of irns1.netafraz.com and irns2.netafraz.com points to exactly one IP address: 185.78.22.2.
irns1.netafraz.com and irns2.netafraz.com each have 185.78.22.2 IP addresses.
Mail Servers
diffbook.com uses one mail server — mail.diffbook.com.
mail.diffbook.com resolves to 80.249.115.238 and no other IP number.