seiwa-tec.com - robtex.com
seiwa-tec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.75.238.14🇯🇵 Equinix119.75.224.0/20 Bit-isle CIDR-Block (Advertising from TY6-Network) | ||||||
| NS | ns2.seiwa-tec.com ⭐ | ||||||
| A | 119.75.238.14🇯🇵 Equinix119.75.224.0/20 Bit-isle CIDR-Block (Advertising from TY6-Network) | ||||||
| NS | prvh1014.presinet.ne.jp | ||||||
| A | 119.75.238.14🇯🇵 Equinix119.75.224.0/20 Bit-isle CIDR-Block (Advertising from TY6-Network) | ||||||
| MX | mail.seiwa-tec.com ⭐ | ||||||
| A | 119.75.238.14🇯🇵 Equinix119.75.224.0/20 Bit-isle CIDR-Block (Advertising from TY6-Network) | ||||||
| TXT | v=spf1 +a +mx -all +a:prvh1014.presinet.ne.jp | ||||||
| SOA | ns2.seiwa-tec.cominfo@presinet.ne.jp 2026-03-22 #1 | ||||||
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=1774656907 | ||||||
Previously MX for
seiwa-tec.com |
Subdomains
Same first word
seiwa-tec.com |
DNS History
8 records (4 active, 4 former)
○NSns1.presinet.ne.jp2016-12-21 → 2017-12-03 · 4 obs
● 2017-12-03 16:58:30
○ 2026-03-12 12:28:42
○ 2026-03-28 00:42:10
○NSns2.presinet.ne.jp2016-12-21 → 2017-12-03 · 4 obs
● 2017-12-03 16:58:30
○ 2026-03-12 12:28:42
○ 2026-03-28 00:42:10
●NSns2.seiwa-tec.com2026-03-12 → 2026-03-28 · 3 obs
● 2026-03-12 12:28:42
● 2026-03-28 00:42:10
●NSprvh1014.presinet.ne.jp2026-03-12 → 2026-03-28 · 3 obs
● 2026-03-12 12:28:42
● 2026-03-28 00:42:10
●MXmail.seiwa-tec.com2026-03-12 → 2026-03-28 · 3 obs
● 2026-03-12 12:28:42
● 2026-03-28 00:42:10
○MXseiwa-tec.com2016-12-21 → 2017-12-03 · 4 obs
● 2017-12-03 16:58:30
○ 2026-03-12 12:28:42
○ 2026-03-28 00:42:10
●A119.75.238.142026-03-12 → 2026-03-28 · 3 obs
● 2026-03-12 12:28:42
● 2026-03-28 00:42:10
○A153.120.158.282016-12-21 → 2017-12-03 · 4 obs
● 2017-12-03 16:58:30
○ 2026-03-12 12:28:42
○ 2026-03-28 00:42:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| seiwa-tec.com | prvh1014.presinet.ne.jp, ns2.seiwa-tec.com | 1 record |
✅ Authoritative Response
Server:119.75.238.14
NS records: prvh1014.presinet.ne.jp, ns2.seiwa-tec.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seiwa-tec.com (unsigned zone)
⏱️ Timing
Total: 1010ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.75.238.14 |
| NS | 2 | ns2.seiwa-tec.com, prvh1014.presinet.ne.jp |
| MX | 1 | mail.seiwa-tec.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx -all +a:prvh1014.presinet. |
| SOA | 1 | ns2.seiwa-tec.com info.presinet.ne.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns2.seiwa-tec.com)
Analysis
Hierarchy
seiwa-tec.com is a parent of ns2.seiwa-tec.com and mail.seiwa-tec.com.
IP Addresses
seiwa-tec.com points to IP number: 119.75.238.14.
Other host names such as ns2.tra-fra.net, color-work.com, fujitabousuisha.com, ns2.uratetsu.com and ns2.kaedesetsubikougyou.com share IPs with seiwa-tec.com.
Name Servers
seiwa-tec.com is delegated to two name servers: ns2.seiwa-tec.com and prvh1014.presinet.ne.jp.
seiwa-tec.com at least partially shares name servers with other domains, for instance yakage-tekken.com, daikotec.com, kappo-kawanami.com, yama(0x73686974)ablock.com and westvillage-oita.com.
These name servers are commonly used alongside ns2.yakage-tekken.com, ns2.daikotec.com, ns2.kappo-kawanami.com, ns2.yama(0x73686974)ablock.com, ns2.westvillage-oita.com, ns2.simple-cafe.com, ns2.hashimoto-tosou1.com, ns2.you-i.biz, ns2.color-work.com and ns2.fujitabousuisha.com.
Host names sharing one IP: ns2.seiwa-tec.com and prvh1014.presinet.ne.jp point to 119.75.238.14.
Mail Servers
seiwa-tec.com is handled by a single mail server, mail.seiwa-tec.com.
mail.seiwa-tec.com points to a single IP: 119.75.238.14.