fk2b.com - dns.ninja
fk2b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.19.34🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www604.sakura.ne.jp | ||||||
| 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 | fk2b.com ⭐ | ||||||
| A | 59.106.19.34🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www604.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www604.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2016-08-08 #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=1785391502 | ||||||
MX for
fk2b.com |
Same first word
fk2b.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXfk2b.com2017-02-12 → 2026-07-30 · 2 obs
● 2026-07-30 06:07:44
●A59.106.19.342017-02-12 → 2026-07-30 · 2 obs
● 2026-07-30 06:07:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| fk2b.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 fk2b.com (unsigned zone)
⏱️ Timing
Total: 1127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.19.34 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | fk2b.com (pri: 10) |
| TXT | 1 | v=spf1 a:www604.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for fk2b.com points back to fk2b.com — it is its own mail server.
IP Addresses
fk2b.com directs to one IP number, which is 59.106.19.34.
Among the host names that share IP numbers with fk2b.com are tinybit.co.jp, rururu.jp, hatsuno.net and two others.
Name Servers
fk2b.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
fk2b.com has at least partial name server overlap with other domains, such as shimizushiki.com, muraki-kougyo.jp, tokyo-secretroom.com and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The MX record for fk2b.com points to a single mail server: fk2b.com.
fk2b.com resolves to a single IP number: 59.106.19.34.