tomokatsu.com - robtex.com
tomokatsu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.159.244🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 244.159.94.219.static.www135b.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 | tomokatsu.com ⭐ | ||||||
| A | 219.94.159.244🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 244.159.94.219.static.www135b.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www135b.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-05-18 #19 | ||||||
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=1774768762 | ||||||
MX for
tomokatsu.com |
Same first word
tomokatsu.hatenablog.com |
tomokatsu.de |
tomokatsu.com |
Similar names
tsukamoto.com.br |
katsutomo.com |
masuktoto.dev |
motostuka.myshopify.com |
mototsuka.com |
tsukamoto.us |
sukmatoto.com |
tsukamoto.name |
tsukamoto.org |
autotomsk.ru |
motostuka.com |
DNS History
9 records (5 active, 4 former)
○NSns1.customer.ne.jp2015-05-17 → 2017-06-01 · 3 obs
● 2017-06-01 07:40:06
○ 2026-03-29 07:37:10
○NSns2.customer.ne.jp2015-05-17 → 2017-06-01 · 3 obs
● 2017-06-01 07:40:06
○ 2026-03-29 07:37:10
○MXdomainmb.customer.ne.jp2015-05-17 → 2017-06-01 · 3 obs
● 2017-06-01 07:40:06
○ 2026-03-29 07:37:10
●MXtomokatsu.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 07:37:10
○A210.150.254.1222015-05-17 → 2017-06-01 · 3 obs
● 2017-06-01 07:40:06
○ 2026-03-29 07:37:10
●A219.94.159.2442026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 07:37:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| tomokatsu.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 tomokatsu.com (unsigned zone)
⏱️ Timing
Total: 942ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.159.244 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | tomokatsu.com (pri: 10) |
| TXT | 1 | v=spf1 a:www135b.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
tomokatsu.com serves as the mail server for tomokatsu.com.
IP Addresses
tomokatsu.com points to a single IP number: 219.94.159.244.
Other host names, for example nemuroseisou.com, 244.159.94.219.static.www135b.sakura.ne.jp, miyazakisuisan.com and hokutotaxi.com share IP numbers with tomokatsu.com.
Name Servers
The domain tomokatsu.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
tomokatsu.com shares name servers with other domains at least partially, for instance ogawa-works.com, risokagaku.sakura.ne.jp, house-st.com, takaha-japan.com and noritz-union.or.jp.
Host names with a single 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
A single mail server handles tomokatsu.com and tomokatsu.com.
Host name tomokatsu.com resolves to IP 219.94.159.244.