fkzw.com - robtex.com
fkzw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.14.197🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | fkzw.com | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | fkzw.com ⭐ | ||||||
| A | 140.227.14.197🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | fkzw.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:140.227.14.2/32 +ip4:140.227.14.197/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034034 | ||||||
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=1777034876 | ||||||
PTR for
MX for
fkzw.com |
Same first word
Similar names
kzfw.cn |
wkzf.com |
kwfz.com |
kfzw.com |
wfkz.com |
kfwz.net |
wkfz.com.cn |
wzfk.cc |
zfkw.com |
zwkf.net |
fkwz.com |
wzkf.cn |
fzwk.com.cn |
fzkw.cn |
zkfw.org |
DNS History
8 records (4 active, 4 former)
○NSamdns1.net24.ne.jp2015-08-02 → 2017-03-25 · 4 obs
● 2015-08-02 08:34:46
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
○NSamdns2.net24.ne.jp2015-08-02 → 2017-03-25 · 4 obs
● 2015-08-02 08:34:46
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
●NSns3.sphere.ad.jp2020-02-21 → 2026-04-24 · 3 obs
○ 2017-03-25 21:45:36
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
●NSns4.sphere.ad.jp2020-02-21 → 2026-04-24 · 3 obs
○ 2017-03-25 21:45:36
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
○MXamdns2.net24.ne.jp2015-08-02 → 2017-03-25 · 4 obs
● 2015-08-02 08:34:46
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
●MXfkzw.com2020-02-21 → 2026-04-24 · 3 obs
○ 2017-03-25 21:45:36
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
●A140.227.14.1972020-02-21 → 2026-04-24 · 3 obs
○ 2017-03-25 21:45:36
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
● 2020-02-21 03:49:24
● 2026-04-24 12:50:16
○A218.45.193.1452015-08-02 → 2017-03-25 · 4 obs
● 2015-08-02 08:34:46
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
● 2017-03-25 21:45:36
○ 2020-02-21 03:49:24
○ 2026-04-24 12:50:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| fkzw.com | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fkzw.com (unsigned zone)
⏱️ Timing
Total: 1241ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.227.14.197 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | fkzw.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:140.227 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
fkzw.com serves as the mail server for fkzw.com.
IP Addresses
fkzw.com points to IP number: 140.227.14.197.
Name Servers
fkzw.com is delegated to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
fkzw.com shares the same name server setup as ekubo.co.jp, alphawolfe.jp, adpublic.com, sekophoto.co-site.jp and 110.153.210.in-addr.arpa.
Host names with a single IP:
ns3.sphere.ad.jp points to 202.239.113.22.
ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
fkzw.com is handled by a single mail server, fkzw.com.
fkzw.com points to a single IP: 140.227.14.197.