sumitube.com - robtex.com
sumitube.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.153.71.180🇯🇵 OCN133.153.0.0/16 Sumitomo Electric Industries, Ltd. | ||||||
| NS | seigate-y.sei.co.jp ⭐ | ||||||
| A | 150.249.237.117🇯🇵 So-net150.249.0.0/16 Sony Network Communications Inc. | ||||||
| PTR | ip96f9ed75.ap.nuro.jp | ||||||
| NS | seigate.sei.co.jp | ||||||
| A | 133.153.71.126🇯🇵 OCN133.153.0.0/16 Sumitomo Electric Industries, Ltd. | ||||||
| PTR | ns02.sei.co.jp | ||||||
| MX | sei-co-jp-1.fortimailcloud.com ⭐ | ||||||
| A | 154.52.29.132🇫🇷 FORTINET154.52.29.0/24 To allow routing to other ISPs | ||||||
| PTR | proxyjp32.fortimailcloud.com | ||||||
| MX | sei-co-jp-2.fortimailcloud.com ⭐ | ||||||
| A | 154.52.14.132🇯🇵 FORTINET154.52.14.0/24 | ||||||
| PTR | proxyty31.fortimailcloud.com | ||||||
| TXT | v=spf1 +ip4:219.106.230.200/29 +ip4:60.56.229.0/28 ~all | ||||||
| TXT | _2irif4r8vofxdw4rbzsq7wargqcuri5 | ||||||
| TXT | pardot970383=5b76bf0e396821a32f2a66946052d7ff0b2fdcfb088a31e91d4a0dd6925202c | ||||||
| SOA | seigate.sei.co.jppostmaster@sei.co.jp 2026-03-05 #3 | ||||||
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 | ||||||
Subdomains
www.sumitube.com |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NScbru.br.ns.els-gms.att.net2015-06-06 → 2017-12-12 · 4 obs
● 2017-12-12 11:20:56
○ 2026-02-19 17:31:08
○ 2026-03-22 23:24:48
○NScmtu.mt.ns.els-gms.att.net2015-06-06 → 2017-12-12 · 4 obs
● 2017-12-12 11:20:56
○ 2026-02-19 17:31:08
○ 2026-03-22 23:24:48
●NSseigate-y.sei.co.jp2026-02-19 → 2026-03-22 · 3 obs
● 2026-02-19 17:31:08
● 2026-03-22 23:24:48
●NSseigate.sei.co.jp2026-02-19 → 2026-03-22 · 3 obs
● 2026-02-19 17:31:08
● 2026-03-22 23:24:48
●MXsei-co-jp-1.fortimailcloud.com2026-02-19 → 2026-03-22 · 2 obs
● 2026-03-22 23:24:48
●MXsei-co-jp-2.fortimailcloud.com2026-02-19 → 2026-03-22 · 2 obs
● 2026-03-22 23:24:48
●A133.153.71.1802015-06-06 → 2026-03-22 · 2 obs
● 2026-03-22 23:24:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| sumitube.com | seigate.sei.co.jp, seigate-y.sei.co.jp | - |
✅ Authoritative Response
Server:133.153.71.126
NS records: seigate.sei.co.jp, seigate-y.sei.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sumitube.com (unsigned zone)
⏱️ Timing
Total: 1854ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.153.71.180 |
| NS | 2 | seigate-y.sei.co.jp, seigate.sei.co.jp |
| MX | 2 | sei-co-jp-1.fortimailcloud.com (pri: 50), sei-co-jp-2.fortimailcloud.com (pri: 50) |
| TXT | 3 | _2irif4r8vofxdw4rbzsq7wargqcuri5, pardot970383=5b76bf0e396821a32f2a6694605... |
| SOA | 1 | seigate.sei.co.jp postmaster.sei.co.jp |
Analysis
Hierarchy
sumitube.com is the parent of www.sumitube.com.
IP Addresses
sumitube.com resolves to a single IP: 133.153.71.180.
Name Servers
sumitube.com has two name servers: seigate-y.sei.co.jp and seigate.sei.co.jp.
sumitube.com shares the same name server setup as other domains, for example sedi.co.jp, megabitgear.com, 200.230.106.219.in-addr.arpa, hst-cable.co.jp and seiwc.co.jp.
sumitube.com shares some name servers with other domains, for example xn--6oqvem7lt5munbu90au8b3ti7p8a7e6d.jp, xn--pqq22ixvkfs3d.com, global-sei.com, quicksolution.jp and xn--pqq22ixvkfs3d.net.
These name servers are commonly used alongside ns02.sei.co.jp, seigate81.sei.co.jp, gemini.starnet.ad.jp and dnsrv.starnet.ad.jp.
Host names with a single IP:
seigate-y.sei.co.jp points to 150.249.237.117
seigate.sei.co.jp points to 133.153.71.126
Mail Servers
sumitube.com is served by two mail servers: sei-co-jp-1.fortimailcloud.com and sei-co-jp-2.fortimailcloud.com.
sumitube.com shares the mail server setup with other domains, for example rasc-1.sei.co.jp, csmfg.co.jp, fsci.sei.co.jp, engsin.com and sumiden-kiki.co.jp.
Host names with a single IP:
sei-co-jp-1.fortimailcloud.com points to 154.52.29.132
sei-co-jp-2.fortimailcloud.com points to 154.52.14.132