cfv2.com - dns.ninja
cfv2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.208.192.155🇯🇵 UCOM122.208.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | cfv2.com ⭐ | ||||||
| A | 122.208.192.155🇯🇵 UCOM122.208.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| MX | mail3.cfv2.com(20) | ||||||
| A | 61.206.115.43🇯🇵 InfoSphere61.206.112.0/20 INTERLINK | ||||||
| PTR | 61.206.115.43.static.zoot.jp | ||||||
| TXT | v=spf1 +ip4:122.208.192.155/32 +ip4:221.186.85.185/32 +include:_spf.google.co... | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-08-21 #1 | ||||||
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=1786383094 | ||||||
MX for
cfv2.com |
Subdomains
Same first word
cfv2.com |
Similar names
vf2c.com |
2vcf.com |
2cfv.com |
cv2f.com |
2vfc.com |
f2vc.com |
vfc2.eu |
fc2v.com |
v2cf.com |
cvf2.com |
vfc2.com |
fvc2.com |
c2fv.com |
DNS History
6 records (6 active, 0 former)
●MXcfv2.com2015-06-24 → 2026-08-10 · 2 obs
● 2026-08-10 17:32:36
●MXmail3.cfv2.com2015-06-24 → 2026-08-10 · 2 obs
● 2026-08-10 17:32:36
●A122.208.192.1552015-06-24 → 2026-08-10 · 2 obs
● 2026-08-10 17:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| cfv2.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfv2.com (unsigned zone)
⏱️ Timing
Total: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.208.192.155 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 2 | cfv2.com (pri: 10), mail3.cfv2.com (pri: 20) |
| TXT | 1 | v=spf1 +ip4:122.208.192.155/32 +ip4:221. |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
cfv2.com is the parent domain of mail3.cfv2.com, mail.cfv2.com, ns.cfv2.com and www.cfv2.com.
Mail Server Role
cfv2.com serves as a mail server for cfv2.com.
mail3.cfv2.com is often seen acting as a mail server in combination with cfv2.com.
IP Addresses
cfv2.com has exactly one IP address — 122.208.192.155.
Host names such as www.cfv2.com and mail.cfv2.com share IP numbers with cfv2.com.
Name Servers
DNS for cfv2.com is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
cfv2.com shares at least some of its name servers with other domains, including (0x73686974)toku-hoken.com, sagami.tank.jp, saluteweb.net and two others.
These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
cfv2.com uses two mail servers, cfv2.com and mail3.cfv2.com.
cfv2.com and mail3.cfv2.com each resolve to one IP number: cfv2.com points to 122.208.192.155 and mail3.cfv2.com points to 61.206.115.43.