koitatu.com - dns.ninja
koitatu.com
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 157.7.137.160๐ฏ๐ต GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | v157-7-137-160.myvps.jp | ||||||
| NS | 01.dnsv.jp โญ | ||||||
| A | 2400:8500:3300::53๐ฏ๐ต GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53๐ฏ๐ต GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53๐ฏ๐ต GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53๐ฏ๐ต GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53๐ฏ๐ต GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53๐ฏ๐ต GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53๐ฏ๐ต GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mail.koitatu.com โญ | ||||||
| A | 157.7.137.160๐ฏ๐ต GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | v157-7-137-160.myvps.jp | ||||||
| TXT | google-site-verification=14TaWfrrNynrvgKWMicu8m_hWzRavijuBwIPCmkRw1M | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1743969855 | ||||||
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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=1785332142 | ||||||
Subdomains
mail.koitatu.com |
Same first word
koitatu.com |
Similar names
DNS History
6 records (6 active, 0 former)
โMXmail.koitatu.com2016-12-21 โ 2026-07-29 ยท 2 obs
โ 2026-07-29 14:00:40
โA157.7.137.1602016-12-21 โ 2026-07-29 ยท 2 obs
โ 2026-07-29 14:00:40
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koitatu.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
โ Authoritative Response
Server:157.7.35.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for koitatu.com (unsigned zone)
โฑ๏ธ Timing
Total: 1263ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.137.160 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.koitatu.com (pri: 10) |
| TXT | 1 | google-site-verification=14TaWfrrNynrvgK |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
mail.koitatu.com is a subdomain of koitatu.com.
IP Addresses
koitatu.com directs to one IP number, which is 157.7.137.160.
v157-7-137-160.myvps.jp and mail.koitatu.com are among other host names that share IP numbers with koitatu.com.
Name Servers
The domain koitatu.com is delegated to these four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of koitatu.com overlap at least partially with those of other domains โ among them yunnanshayan.com, ikeikai.net, rkids.jp and two more.
Hosts with two IP numbers each:
01.dnsv.jp resolves to two addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp resolves to two addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp resolves to two addresses: 157.7.35.53 and 2400:8500:3fff::53.
Hosts that resolve to one IP address:
The hostname 02.dnsv.jp resolves to 157.7.33.53.
Mail Servers
koitatu.com routes its mail through a single mail server, mail.koitatu.com.
mail.koitatu.com carries a single IP number, which is 157.7.137.160.