cfirsthost.com - dns.ninja
cfirsthost.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.249.233.192🇺🇸 PRIVATESYSTEMS170.249.232.0/22 | ||||||
| PTR | cfirsthost.com | ||||||
| NS | ns20.cfirsthost.com ⭐ | ||||||
| A | 170.249.233.192🇺🇸 PRIVATESYSTEMS170.249.232.0/22 | ||||||
| PTR | cfirsthost.com | ||||||
| NS | ns21.cfirsthost.com | ||||||
| A | 170.249.233.193🇺🇸 PRIVATESYSTEMS170.249.232.0/22 | ||||||
| MX | cfirsthost.com ⭐ | ||||||
| A | 170.249.233.192🇺🇸 PRIVATESYSTEMS170.249.232.0/22 | ||||||
| PTR | cfirsthost.com | ||||||
| TXT | v=spf1 +a +mx +ip4:170.249.233.168 +ip4:170.249.233.192 +ip4:207.7.94.142 +ip... | ||||||
| SOA | ns20.cfirsthost.comsupport@cfirsthost.com 2026-07-30 #6 | ||||||
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=1785437077 | ||||||
PTR for
MX for
cfirsthost.com |
Subdomains
chost1.cfirsthost.com |
ns6.cfirsthost.com |
ns10.cfirsthost.com |
ns11.cfirsthost.com |
ns8.cfirsthost.com |
server.cfirsthost.com |
host2.cfirsthost.com |
ns9.cfirsthost.com |
ns1.cfirsthost.com |
chost3.cfirsthost.com |
ns20.cfirsthost.com |
ns7.cfirsthost.com |
ns5.cfirsthost.com |
ns12.cfirsthost.com |
ns2.cfirsthost.com |
ns4.cfirsthost.com |
ns3.cfirsthost.com |
host.cfirsthost.com |
ns21.cfirsthost.com |
chost2.cfirsthost.com |
chost4.cfirsthost.com |
Same first word
cfirsthost.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.cfirsthost.com2016-12-13 → 2018-06-01 · 4 obs
● 2018-06-01 08:54:08
○ 2026-02-22 20:59:54
○ 2026-07-30 19:03:10
○NSns2.cfirsthost.com2016-12-13 → 2018-06-01 · 4 obs
● 2018-06-01 08:54:08
○ 2026-02-22 20:59:54
○ 2026-07-30 19:03:10
●NSns20.cfirsthost.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 20:59:54
● 2026-07-30 19:03:10
●NSns21.cfirsthost.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 20:59:54
● 2026-07-30 19:03:10
●MXcfirsthost.com2026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 20:59:54
● 2026-07-30 19:03:10
○MXserver.cfirsthost.com2016-12-13 → 2018-06-01 · 4 obs
● 2018-06-01 08:54:08
○ 2026-02-22 20:59:54
○ 2026-07-30 19:03:10
●A170.249.233.1922026-02-22 → 2026-07-30 · 3 obs
● 2026-02-22 20:59:54
● 2026-07-30 19:03:10
○A207.7.94.1422016-12-13 → 2018-06-01 · 4 obs
● 2018-06-01 08:54:08
○ 2026-02-22 20:59:54
○ 2026-07-30 19:03:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cfirsthost.com | ns20.cfirsthost.com, ns21.cfirsthost.com | 2 records |
✅ Authoritative Response
Server:170.249.233.192
NS records: ns20.cfirsthost.com, ns21.cfirsthost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfirsthost.com (unsigned zone)
⏱️ Timing
Total: 834ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 170.249.233.192 |
| NS | 2 | ns20.cfirsthost.com, ns21.cfirsthost.com |
| MX | 1 | cfirsthost.com (pri: 5) |
| TXT | 1 | v=spf1 +a +mx +ip4:170.249.233.168 +ip4: |
| SOA | 1 | ns20.cfirsthost.com support.cfirsthost.c |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns20.cfirsthost.com, ns21.cfirsthost.com)
Analysis
Hierarchy
chost1.cfirsthost.com, ns6.cfirsthost.com, ns10.cfirsthost.com, ns11.cfirsthost.com, ns8.cfirsthost.com and a few other host names are all children of cfirsthost.com.
Mail Server Role
cfirsthost.com acts as its own mail server.
IP Addresses
cfirsthost.com points to a single IP number: 170.249.233.192.
Host names like ns20.cfirsthost.com are further examples that share IP numbers with cfirsthost.com.
Name Servers
Two name servers handle the delegation for cfirsthost.com: ns20.cfirsthost.com and ns21.cfirsthost.com.
Both ns20.cfirsthost.com and ns21.cfirsthost.com have a single IP address each — ns20.cfirsthost.com resolves to 170.249.233.192 while ns21.cfirsthost.com resolves to 170.249.233.193.
Mail Servers
cfirsthost.com has a single mail server: cfirsthost.com itself.
cfirsthost.com carries a single IP number, which is 170.249.233.192.