facility.co.jp - robtex.com
facility.co.jp
| DNSSEC | β οΈ Not signed | ||||||
| A | 216.230.253.181πΊπΈ PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | wdxltw81.alpha-mail.jp | ||||||
| NS | kotetsu.alpha-lt.net β | ||||||
| A | 157.205.252.6π―π΅ AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns01.alpha-mail.jp | ||||||
| NS | amdns03.alpha-mail.jp | ||||||
| A | 216.230.254.112πΊπΈ PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | amdns03.alpha-mail.jp | ||||||
| NS | tsukuba.aics.ne.jp | ||||||
| A | 157.205.252.7π―π΅ AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | amdns02.alpha-mail.jp | ||||||
| MX | ampub01.alpha-mail.net β | ||||||
| A | 216.230.254.1πΊπΈ 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 β | ||||||
| A | 216.230.254.2πΊπΈ PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| MX | ampub03.alpha-mail.net β | ||||||
| A | 216.230.254.3πΊπΈ 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 | 216.230.254.4πΊπΈ 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 2025-09-09 #17 | ||||||
co.jp
| DNSSEC | β οΈ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
www.facility.co.jp |
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
βNSamdns03.alpha-mail.jp2026-05-08 β 2026-07-18 Β· 3 obs
β 2026-05-08 13:17:54
β 2026-07-18 13:53:58
βNSkotetsu.alpha-lt.net2015-08-02 β 2026-07-18 Β· 2 obs
β 2026-07-18 13:53:58
βNStsukuba.aics.ne.jp2015-08-02 β 2026-07-18 Β· 2 obs
β 2026-07-18 13:53:58
βMXampub01.alpha-mail.net2015-08-02 β 2026-07-18 Β· 2 obs
β 2026-07-18 13:53:58
βMXampub02.alpha-mail.net2015-08-02 β 2026-07-18 Β· 2 obs
β 2026-07-18 13:53:58
βMXampub03.alpha-mail.net2015-08-02 β 2026-07-18 Β· 2 obs
β 2026-07-18 13:53:58
βMXampub04.alpha-mail.net2026-05-08 β 2026-07-18 Β· 3 obs
β 2026-05-08 13:17:54
β 2026-07-18 13:53:58
βA216.230.250.1612015-08-02 β 2018-08-24 Β· 4 obs
β 2018-08-24 05:05:30
β 2026-05-08 13:17:54
β 2026-07-18 13:53:58
βA216.230.253.1812026-05-08 β 2026-07-18 Β· 3 obs
β 2026-05-08 13:17:54
β 2026-07-18 13:53:58
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, b.dns.jp, g.dns.jp, d.dns.jp... | - |
| facility.co.jp | tsukuba.aics.ne.jp, kotetsu.alpha-lt.net, amdns03.alpha-mail.jp | 1 record |
β Authoritative Response
Server:216.230.254.112
NS records: tsukuba.aics.ne.jp, kotetsu.alpha-lt.net, amdns03.alpha-mail.jp
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for facility.co.jp (unsigned zone)
β±οΈ Timing
Total: 970ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.181 |
| NS | 3 | tsukuba.aics.ne.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 |
π Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)
Analysis
Hierarchy
facility.co.jp serves as the parent of www.facility.co.jp.
IP Addresses
facility.co.jp resolves to just one IP address, 216.230.253.181.
Two other host names, along with alpha-link.jp, raitodenko.co.jp and hira.co.jp, also share IP numbers with facility.co.jp.
Name Servers
facility.co.jp has three name servers β amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
facility.co.jp has at least partial name server overlap with other domains, such as nikko-c.jp, imer.jp, i-kenso.com and two others.
Each of the three hostnames points to exactly one IP address: amdns03.alpha-mail.jp points to 216.230.254.112, kotetsu.alpha-lt.net points to 157.205.252.6 and tsukuba.aics.ne.jp points to 157.205.252.7.
Mail Servers
facility.co.jp has four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
There is at least a partial MX overlap between facility.co.jp and other domains, including zmf.co.jp, gendaiya.com, a-note.jp and two others.
The hosts ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net all resolve to exactly one IP address each: 216.230.254.1, 216.230.254.2, 216.230.254.3 and 216.230.254.4 respectively.