ko-ya.com - robtex.com
ko-ya.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.61🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2851.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 | ko-ya.com ⭐ | ||||||
| A | 49.212.198.61🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2851.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2012-12-23 #11 | ||||||
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=1771291435 | ||||||
MX for
ko-ya.com |
Same first word
Similar names
oya-k.com |
ya-ok.ru |
yo-ka.com.cn |
o-kay.com |
kay-o.ca |
ka-yo.com |
kyo-a.com |
oka-y.com |
k-yao.com |
ky-ao.com |
kay-o.com |
o-kay.jp |
ay-ko.com |
yao-k.com |
ay-ko.net |
o-kay.de |
ok-ay.de |
o-kay.biz |
kyo-a.co.jp |
DNS History
8 records (5 active, 3 former)
○NSdns.interq.or.jp2008-03-20 → 2008-03-20 · 3 obs
○ 2015-07-10 16:18:20
○ 2026-03-22 14:40:38
○NSdns1.interq.or.jp2008-03-20 → 2008-03-20 · 3 obs
○ 2015-07-10 16:18:20
○ 2026-03-22 14:40:38
●NSmaster.dns.ne.jp2015-07-10 → 2026-03-22 · 3 obs
● 2015-07-10 16:18:20
● 2026-03-22 14:40:38
●NSns1.dns.ne.jp2015-07-10 → 2026-03-22 · 3 obs
● 2015-07-10 16:18:20
● 2026-03-22 14:40:38
●NSns2.dns.ne.jp2015-07-10 → 2026-03-22 · 3 obs
● 2015-07-10 16:18:20
● 2026-03-22 14:40:38
●MXko-ya.com2015-07-10 → 2026-03-22 · 3 obs
● 2015-07-10 16:18:20
● 2026-03-22 14:40:38
○MXmx01.mshost.interq.or.jp2008-03-20 → 2008-03-20 · 3 obs
○ 2015-07-10 16:18:20
○ 2026-03-22 14:40:38
●A49.212.198.612015-07-10 → 2026-03-22 · 3 obs
● 2015-07-10 16:18:20
● 2026-03-22 14:40:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| ko-ya.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server: 61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ko-ya.com (unsigned zone)
⏱️ Timing
Total: 1151ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.61 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | ko-ya.com (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
For ko-ya.com, the mail server is ko-ya.com.
IP Addresses
ko-ya.com resolves to one IP number: 49.212.198.61.
other host names including bextrainfo.com, flat7th.org, fuki.org, papa-wlb.jp and nigaoe-yui.com share IP numbers with ko-ya.com.
Name Servers
ko-ya.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
ko-ya.com at least partially shares name servers with other domains, for instance tingarama.com, hiyoku-service.com, ube-sansho119.jp, fosjp.com and kao2post.com.
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
ko-ya.com is served by a single mail server, ko-ya.com.
ko-ya.com resolves to IP 49.212.198.61.