ksk-corp.com - robtex.com
ksk-corp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.84🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw84.alpha-mail.jp | ||||||
| NS | kotetsu.alpha-lt.net ⭐ | ||||||
| A | 157.205.252.6🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns01.alpha-mail.jp | ||||||
| NS | amdns03.alpha-mail.jp | ||||||
| A | 216.230.254.112🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| NS | tsukuba.aics.ne.jp | ||||||
| A | 157.205.252.7🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns02.alpha-mail.jp | ||||||
| MX | ampub01.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.1🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub01.alpha-mail.net | ||||||
| MX | ampub02.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.2🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| MX | ampub03.alpha-mail.net ⭐ | ||||||
| A | 216.230.254.3🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | ampub03.alpha-mail.net | ||||||
| MX | ampub04.alpha-mail.net(50) | ||||||
| A | 216.230.254.4🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| TXT | v=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2... | ||||||
| SOA | kotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-08-04 #0 | ||||||
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=1785233292 | ||||||
Same first word
ksk-corp.com |
Similar names
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-07-28 · 3 obs
● 2026-02-25 10:20:04
● 2026-07-28 10:35:00
●NSkotetsu.alpha-lt.net2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 10:35:00
●NStsukuba.aics.ne.jp2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 10:35:00
●MXampub01.alpha-mail.net2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 10:35:00
●MXampub02.alpha-mail.net2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 10:35:00
●MXampub03.alpha-mail.net2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 10:35:00
●MXampub04.alpha-mail.net2026-02-25 → 2026-07-28 · 3 obs
● 2026-02-25 10:20:04
● 2026-07-28 10:35:00
○A216.230.251.962015-08-08 → 2016-12-07 · 4 obs
● 2016-12-07 13:34:56
○ 2026-02-25 10:20:04
○ 2026-07-28 10:35:00
●A216.230.253.842026-02-25 → 2026-07-28 · 3 obs
● 2026-02-25 10:20:04
● 2026-07-28 10:35:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| ksk-corp.com | kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp | - |
✅ Authoritative Response
Server:157.205.252.6
NS records: kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ksk-corp.com (unsigned zone)
⏱️ Timing
Total: 4836ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.84 |
| NS | 3 | kotetsu.alpha-lt.net, amdns03.alpha-mail.jp... |
| MX | 4 | ampub03.alpha-mail.net (pri: 10), ampub01.alpha-mail.net (pri: 10)... |
| TXT | 1 | v=spf1 ip4:157.205.202.0/24 ip4:157.205. |
| SOA | 1 | kotetsu.alpha-lt.net postmaster.alpha-we |
Analysis
IP Addresses
ksk-corp.com directs to one IP number, which is 216.230.253.84.
Among the host names that share IP numbers with ksk-corp.com are toyolantec.co.jp, yoshikawa-kinzoku.co.jp, dsogo.jp and two others.
Name Servers
ksk-corp.com is served by three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
At least some of ksk-corp.com's name servers are shared with other domains, for example vege-flex.com, illhome.co.jp, globalsystem.jp and two more.
amdns03.alpha-mail.jp has IP address 216.230.254.112, kotetsu.alpha-lt.net has IP address 157.205.252.6 and tsukuba.aics.ne.jp has IP address 157.205.252.7 — one address each.
Mail Servers
Mail for ksk-corp.com is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
ksk-corp.com shares at least some of its mail servers with other domains — for example sveltec.co.jp, glovalue.com, itohoken.co.jp and two more.
ampub01.alpha-mail.net resolves to 216.230.254.1. ampub02.alpha-mail.net resolves to 216.230.254.2. ampub03.alpha-mail.net resolves to 216.230.254.3. ampub04.alpha-mail.net resolves to 216.230.254.4. All four hosts carry exactly one IP address.