kotobike.com - robtex.com
kotobike.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.212.10🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 10.212.94.219.static.www256b.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 | kotobike.com ⭐ | ||||||
| A | 219.94.212.10🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 10.212.94.219.static.www256b.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www256b.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-12-17 #10 | ||||||
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=1774587847 | ||||||
MX for
kotobike.com |
Same first word
kotobike.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2020-02-29 → 2026-03-27 · 3 obs
● 2020-02-29 14:53:28
● 2026-03-27 05:33:44
●NSns1.dns.ne.jp2020-02-29 → 2026-03-27 · 3 obs
● 2020-02-29 14:53:28
● 2026-03-27 05:33:44
●NSns2.dns.ne.jp2020-02-29 → 2026-03-27 · 3 obs
● 2020-02-29 14:53:28
● 2026-03-27 05:33:44
○NSns3.todayisp.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-10-31 17:32:56
○ 2026-03-27 05:33:44
○NSns4.todayisp.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-10-31 17:32:56
○ 2026-03-27 05:33:44
●MXkotobike.com2020-02-29 → 2026-03-27 · 3 obs
● 2020-02-29 14:53:28
● 2026-03-27 05:33:44
○MXmx620.now.net.cn2008-03-16 → 2008-03-16 · 3 obs
○ 2015-10-31 17:32:56
○ 2026-03-27 05:33:44
○A202.105.179.162008-03-16 → 2008-03-16 · 3 obs
○ 2015-10-31 17:32:56
○ 2026-03-27 05:33:44
●A219.94.212.102020-02-29 → 2026-03-27 · 3 obs
● 2020-02-29 14:53:28
● 2026-03-27 05:33:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kotobike.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 kotobike.com (unsigned zone)
⏱️ Timing
Total: 1091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.212.10 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kotobike.com (pri: 10) |
| TXT | 1 | v=spf1 a:www256b.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
For kotobike.com, the mail server is kotobike.com.
IP Addresses
kotobike.com resolves to one IP number: 219.94.212.10.
other host names including 10.212.94.219.static.www256b.sakura.ne.jp, libiq.jp, bikot.jp, city.qbei.co.jp and qbei2.sakura.ne.jp share IP numbers with kotobike.com.
Name Servers
kotobike.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kotobike.com at least partially shares name servers with other domains, for instance kimitsu-hb.com, nihon-eisei.org, hanzaki.sakura.ne.jp, kseimei.com and oplife.jp.
these name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one IP number: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
kotobike.com is served by a single mail server, kotobike.com.
kotobike.com resolves to IP 219.94.212.10.