cff-net.com - robtex.com
cff-net.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.183.156🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | tky006.cbsv.jp | ||||||
| NS | ns1.cbsv.jp ⭐ | ||||||
| A | 172.64.52.149🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.199🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.cbsv.jp | ||||||
| A | 172.64.53.51🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.143🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | cff-net.com ⭐ | ||||||
| A | 183.90.183.156🇯🇵 DRNET183.90.176.0/21 | ||||||
| PTR | tky006.cbsv.jp | ||||||
| TXT | v=spf1 ip4:183.90.183.156 include:_spf.cbsv.jp ~all | ||||||
| SOA | ns1.cbsv.jphostmaster@cff-net.com 2024-03-24 #9 | ||||||
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=1774493217 | ||||||
MX for
cff-net.com |
Same first word
cff-net.com |
DNS History
8 records (4 active, 4 former)
●NSns1.cbsv.jp2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 06:18:52
● 2026-03-26 02:47:18
○NSns1003.v6dns.com2016-12-18 → 2017-12-10 · 4 obs
● 2017-12-10 20:42:44
○ 2026-02-19 06:18:52
○ 2026-03-26 02:47:18
○NSns1004.v6dns.com2016-12-18 → 2017-12-10 · 4 obs
● 2017-12-10 20:42:44
○ 2026-02-19 06:18:52
○ 2026-03-26 02:47:18
●NSns2.cbsv.jp2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 06:18:52
● 2026-03-26 02:47:18
●MXcff-net.com2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 06:18:52
● 2026-03-26 02:47:18
○MXmail.cff-net.com2016-12-18 → 2017-12-10 · 4 obs
● 2017-12-10 20:42:44
○ 2026-02-19 06:18:52
○ 2026-03-26 02:47:18
○A133.18.160.1272016-12-18 → 2017-12-10 · 4 obs
● 2017-12-10 20:42:44
○ 2026-02-19 06:18:52
○ 2026-03-26 02:47:18
●A183.90.183.1562026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 06:18:52
● 2026-03-26 02:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cff-net.com | ns1.cbsv.jp, ns2.cbsv.jp | - |
✅ Authoritative Response
Server:172.64.53.51
NS records: ns1.cbsv.jp, ns2.cbsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cff-net.com (unsigned zone)
⏱️ Timing
Total: 865ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.183.156 |
| NS | 2 | ns1.cbsv.jp, ns2.cbsv.jp |
| MX | 1 | cff-net.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:183.90.183.156 include:_spf.c |
| SOA | 1 | ns1.cbsv.jp hostmaster.cff-net.com |
Analysis
Mail Server Role
cff-net.com serves as the mail server for cff-net.com.
IP Addresses
cff-net.com points to an IP address: 183.90.183.156.
other host names include www.musashino.gr.jp, mail.ms-dairy-lab.com, ns.spa-dogsrun.com, asahi-humanresource.com and terasuke.com; they share IP numbers with cff-net.com.
Name Servers
Two name servers ns1.cbsv.jp and ns2.cbsv.jp handle the delegation for cff-net.com.
cff-net.com shares the same name server setup as other domains, for instance rdooll.com, liposuction-explain.com, ishigame-machine-technology.net, softhouse.co.jp and iwata-law.jp.
cff-net.com at least partially shares name servers with other domains, for instance shinko-w.jp, bukva.biz, curtiscreek.jp, findlawyer.info and morikawa-web.com.
These name servers are commonly used alongside a.misconfigured.dns.server.invalid, ns3.cbsv.jp and ns4.cbsv.jp.
Host names with two IP numbers:
ns1.cbsv.jp points to 172.64.52.149 and 172.64.52.199.
ns2.cbsv.jp points to 172.64.53.51 and 172.64.53.143.
Mail Servers
cff-net.com is handled by a single mail server.
The host name cff-net.com points to IP 183.90.183.156.