firstbinary.com - dns.ninja
firstbinary.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.9.100.58🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.f11.org | ||||||
| NS | firstbinary.com ⭐ | ||||||
| A | 72.9.100.58🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.f11.org | ||||||
| NS | a.bitless.net | ||||||
| A | 72.9.100.58🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.f11.org | ||||||
| NS | a.f11.org | ||||||
| A | 72.9.100.61🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.bitless.net | ||||||
| MX | mail.bitless.net ⭐ | ||||||
| A | 72.9.100.61🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.bitless.net | ||||||
| MX | mail.f11.org(20) | ||||||
| A | 72.9.100.58🇺🇸 EZZI-101-BGP72.9.96.0/20 EZZI.net ROUTE | ||||||
| PTR | mail.f11.org | ||||||
| SOA | firstbinary.comhostmaster@bitless.net 2006-10-16 #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=1785361712 | ||||||
NS for
firstbinary.com |
Same first word
firstbinary.com |
DNS History
6 records (6 active, 0 former)
●NSa.bitless.net2015-05-25 → 2026-07-29 · 3 obs
● 2015-05-25 05:59:10
● 2026-07-29 22:02:50
●NSa.f11.org2015-05-25 → 2026-07-29 · 3 obs
● 2015-05-25 05:59:10
● 2026-07-29 22:02:50
●NSfirstbinary.com2015-05-25 → 2026-07-29 · 3 obs
● 2015-05-25 05:59:10
● 2026-07-29 22:02:50
●MXmail.bitless.net2015-05-25 → 2026-07-29 · 3 obs
● 2015-05-25 05:59:10
● 2026-07-29 22:02:50
●MXmail.f11.org2015-05-25 → 2026-07-29 · 3 obs
● 2015-05-25 05:59:10
● 2026-07-29 22:02:50
●A72.9.100.582008-03-19 → 2026-07-29 · 2 obs
● 2026-07-29 22:02:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstbinary.com | a.bitless.net, a.f11.org | - |
✅ Authoritative Response
Server:72.9.100.58
NS records: a.bitless.net, a.f11.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstbinary.com (unsigned zone)
⏱️ Timing
Total: 770ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.9.100.58 |
| NS | 2 | a.bitless.net, a.f11.org |
| MX | 2 | mail.f11.org (pri: 20), mail.bitless.net (pri: 10) |
| SOA | 1 | firstbinary.com hostmaster.bitless.net |
Analysis
Name Server Role
firstbinary.com is listed as a name server for firstbinary.com — it is in-bailiwick, authoritative for its own domain.
a.bitless.net, a.f11.org and firstbinary.com are commonly seen together as name servers.
IP Addresses
firstbinary.com has exactly one IP address — 72.9.100.58.
vacantlook.com, a.bitless.net, passalongbooks.org plus two other host names have IP numbers in common with firstbinary.com.
Name Servers
The NS records for firstbinary.com list three name servers: firstbinary.com, a.bitless.net and a.f11.org.
The name servers of firstbinary.com overlap at least partially with those of other domains — among them f11.org, fil.nyc, thinkevil.com and two more.
These name servers commonly appear in delegations together with ugly.teofen.com, attakh.net, intldef.org and 6 other.
firstbinary.com and a.bitless.net both resolve to 72.9.100.58, while a.f11.org resolves to 72.9.100.61; all three hostnames carry exactly one IP address.
firstbinary.com and a.bitless.net each have 72.9.100.58 IP addresses.
Mail Servers
firstbinary.com uses two mail servers, mail.bitless.net and mail.f11.org.
The mail server setup of firstbinary.com matches that of other domains such as f11.org, thinkevil.com, attakh.net and two others.
firstbinary.com has mail servers in common with other domains — vacantlook.com being one example.
Both mail.bitless.net and mail.f11.org have a single IP address each — mail.bitless.net resolves to 72.9.100.61 while mail.f11.org resolves to 72.9.100.58.