sample.co.jp - robtex.com
sample.co.jp
| DNSSEC | β οΈ Not signed | ||||||
| A | 216.230.253.82πΊπΈ PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US | ||||||
| PTR | webltw82.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 | ||||||
| PTR | ampub02.alpha-mail.net | ||||||
| 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 | ||||||
| PTR | ampub04.alpha-mail.net | ||||||
| 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 2023-07-31 #8 | ||||||
co.jp
| DNSSEC | β οΈ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
βNSamdns03.alpha-mail.jp2026-02-25 β 2026-05-09 Β· 3 obs
β 2026-02-25 10:18:54
β 2026-05-09 14:31:22
βNSkotetsu.alpha-lt.net2015-05-19 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:22
βNStsukuba.aics.ne.jp2015-05-19 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:22
βMXampub01.alpha-mail.net2015-05-19 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:22
βMXampub02.alpha-mail.net2015-05-19 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:22
βMXampub03.alpha-mail.net2015-05-19 β 2026-05-09 Β· 2 obs
β 2026-05-09 14:31:22
βMXampub04.alpha-mail.net2026-02-25 β 2026-05-09 Β· 3 obs
β 2026-02-25 10:18:54
β 2026-05-09 14:31:22
βA216.230.250.1542015-05-19 β 2017-04-04 Β· 4 obs
β 2017-04-04 12:37:32
β 2026-02-25 10:18:54
β 2026-05-09 14:31:22
βA216.230.253.822026-02-25 β 2026-05-09 Β· 3 obs
β 2026-02-25 10:18:54
β 2026-05-09 14:31:22
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sample.co.jp | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp | 1 record |
β Authoritative Response
Server:157.205.252.7
NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sample.co.jp (unsigned zone)
β±οΈ Timing
Total: 1288ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.230.253.82 |
| NS | 3 | amdns03.alpha-mail.jp, kotetsu.alpha-lt.net... |
| MX | 4 | ampub02.alpha-mail.net (pri: 10), ampub04.alpha-mail.net (pri: 50)... |
| 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
IP Addresses
sample.co.jp resolves to a single IP address: 216.230.253.82.
Other host names including t-platen.com, kraatz.co.jp, sekiden.jp, s-fm.jp and nihoncha-inst-sz.com share IP numbers with sample.co.jp.
Name Servers
sample.co.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.
sample.co.jp at least partially shares name servers with other domains, including sennari-k.co.jp, sekiden.jp, architects-studio-jp.com, sho-bi.co.jp and s-fm.jp.
Hostnames with a single IP:
amdns03.alpha-mail.jp points to: 216.230.254.112.
kotetsu.alpha-lt.net points to: 157.205.252.6.
tsukuba.aics.ne.jp points to: 157.205.252.7.
Mail Servers
sample.co.jp is served by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.
The mail servers for sample.co.jp are shared with other domains, for instance luckybylucky.co.jp, ort.jp, cad-dig.com, ts-sys.jp and dzone.jp.
Hostnames with a single IP:
ampub01.alpha-mail.net points to 216.230.254.1
ampub02.alpha-mail.net points to 216.230.254.2
ampub03.alpha-mail.net points to 216.230.254.3
ampub04.alpha-mail.net points to 216.230.254.4