trytech-inc.co.jp - robtex.com
trytech-inc.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.230.253.89🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw89.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 | ||||||
| PTR | ampub02.alpha-mail.net | ||||||
| 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 | ||||||
| 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 2024-12-16 #20 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
www.trytech-inc.co.jp |
Same first word
trytech-inc.co.jp |
DNS History
9 records (8 active, 1 former)
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-08-12 · 3 obs
● 2026-02-25 10:19:58
● 2026-08-12 08:30:12
●NSkotetsu.alpha-lt.net2015-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 08:30:12
●NStsukuba.aics.ne.jp2015-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 08:30:12
●MXampub01.alpha-mail.net2015-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 08:30:12
●MXampub02.alpha-mail.net2015-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 08:30:12
●MXampub03.alpha-mail.net2015-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 08:30:12
●MXampub04.alpha-mail.net2026-02-25 → 2026-08-12 · 3 obs
● 2026-02-25 10:19:58
● 2026-08-12 08:30:12
○A216.230.250.362015-08-10 → 2017-04-21 · 4 obs
● 2017-04-21 05:30:00
○ 2026-02-25 10:19:58
○ 2026-08-12 08:30:12
●A216.230.253.892026-02-25 → 2026-08-12 · 3 obs
● 2026-02-25 10:19:58
● 2026-08-12 08:30:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, h.dns.jp, c.dns.jp, a.dns.jp... | - |
| trytech-inc.co.jp | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp | 1 record |
✅ Authoritative Response
Server:157.205.252.6
NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for trytech-inc.co.jp (unsigned zone)
⏱️ Timing
Total: 1441ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.89 |
| NS | 3 | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net... |
| MX | 4 | ampub02.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 |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)
Analysis
Hierarchy
The domain www.trytech-inc.co.jp falls under the parent trytech-inc.co.jp.
IP Addresses
trytech-inc.co.jp directs to one IP number, which is 216.230.253.89.
Among the host names that share IP numbers with trytech-inc.co.jp are crystalart.co.jp, sarah.or.jp, zaion.or.jp and two others.
Name Servers
trytech-inc.co.jp is served by three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
At least some of trytech-inc.co.jp's name servers are shared with other domains, for example daiwadenki.co.jp, hk1965.co.jp, midland-members.com 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 trytech-inc.co.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
trytech-inc.co.jp shares at least some of its mail servers with other domains — for example musashinoeng.co.jp, maeda-ind.co.jp, ikedadenko.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.