ufk.jp - dns.ninja
ufk.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.180.187🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2747.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 | ufk.jp ⭐ | ||||||
| A | 49.212.180.187🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2747.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2747.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-04-02 #13 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1786380303 | ||||||
MX for
ufk.jp |
Same first word
ufk.no |
ufk.cn |
ufk.org.tr |
ufk.co |
ufk.at |
ufk.es |
ufk.ch |
ufk.info |
ufk.in |
ufk.de |
ufk.kr |
ufk.se |
ufk.be |
ufk.it |
ufk.kiev.ua |
ufk.com |
ufk.us |
ufk.nu |
ufk.pl |
ufk.fr |
ufk.jp |
ufk.eu |
ufk.net |
ufk.co.jp |
Similar names
DNS History
5 records (5 active, 0 former)
●MXufk.jp2026-03-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:29:18
●A49.212.180.1872026-03-13 → 2026-08-10 · 2 obs
● 2026-08-10 17:29:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ufk.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ufk.jp (unsigned zone)
⏱️ Timing
Total: 854ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.180.187 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | ufk.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www2747.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
ufk.jp handles its own mail, functioning as its own mail server.
IP Addresses
ufk.jp resolves to just one IP address, 49.212.180.187.
Two other host names, along with onlyone-okinawa.com, minte-minte.com and takochu.com, also share IP numbers with ufk.jp.
Name Servers
ufk.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
ufk.jp has at least partial name server overlap with other domains, such as trabajo.sakura.ne.jp, ikke.jp, novello.co.jp and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
ufk.jp is served by just one mail server: ufk.jp.
ufk.jp points to one IP number — 49.212.180.187.