`mx4.unchained.co.jp`

DNSSEC	⚠️ Not signed
A	2401:c080:1000:4b91:5400:4ff:fe0b:9619^{🇯🇵 AS-VULTR2401:c080:1000::/38 Vultr Assigned Prefix} ✓ In HTTPS hints
		PTR	`mx4.insaneworks.co.jp`
A	45.32.46.244^{🇯🇵 AS-VULTR45.32.32.0/19 Vultr Assigned Prefix} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	45.32.46.244
		IPv6 hints	2401:c080:1000:4b91:5400:4ff:fe0b:9619

`unchained.co.jp`

DNSSEC	⚠️ Not signed
A	2001:470:fd99:1:64c3:beff:fe17:c8bc^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA} ✓ In HTTPS hints
A	203.145.122.68^{🇯🇵 EditNet203.145.120.0/21} ✓ In HTTPS hints
NS	`ns1.unchained.co.jp` ⭐
NS	`ns2.unchained.co.jp`
NS	`ns3.unchained.co.jp`
NS	`ns4.unchained.co.jp`
MX	`mx1.unchained.co.jp` ⭐
MX	`mx2.unchained.co.jp`⁽²⁰⁾
MX	`mx3.unchained.co.jp`⁽³⁰⁾
MX	`mx4.unchained.co.jp`⁽⁴⁰⁾
TXT	`slack-domain-verification=wxjt2BJtonGeAmD8avE5gAS4kPcXRE0RghfgcMj8`
TXT	`hcp-domain-verification=1c1dc97823c6695a48a5e9d0ecc599ed558025aedcc584f4c2e86...`
TXT	`v=spf1 mx -all`
TXT	`apple-domain-verification=TwC1Cw5NzoM2ppWx`
TXT	`cloudflare_dashboard_sso=bc53a0849d9b3f9bc73d9e12388ed981`
TXT	`linear-domain-verification=9upb7r5ie7wf`
TXT	`apple-domain-verification=PLY16NK8N-n7oci7vluooKTfmHiDiba9k5GMED9ZD8s`
TXT	`google-site-verification=hjh_jfNFHq45uGrePODRdojHdBYqwqDeihrEzFlyVOk`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	203.145.122.68
		IPv6 hints	2001:470:fd99:1:64c3:beff:fe17:c8bc
SOA	`ns1.unchained.co.jp`hostmaster@unchained.co.jp 2026-04-17 #28

PTR for

244.46.32.45.in-addr.arpa

MX for

unchained.co.jp

Same first word

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mx4.kinghost.net

mx4.net

mx4.fitness

mx4.ru

mx4.in-berlin.de

mx4.gov.ru

mx4.cloudaccess.net

mx4.gouv.ci

mx4.biz

mx4.ch

mx4.pb.gov.br

mx4.me

mx4.info

mx4.com

mx4.de

mx4.uni5.net

mx4.pl

mx4.dk

mx4.vg

mx4.ca

mx4.fr

mx4.cn

Similar names

m4x.pw

4xm.cn

m4x.nl

xm4.net

m4x.at

4xm.com

m4x.de

m4x.fr

m4x.fun

m4x.co

4mx.info

m4x.co.at

x4m.eu

m4x.ru

x4m.net

x4m.com

xm4.online

4xm.nl

x4m.de

4xm.de

4xm.dk

m4x.im

m4x.eu

m4x.info

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4xm.cc

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4xm.biz

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x4m.it

4mx.com

4mx.it

4mx.se

4xm.be

x4m.cn

x4m.org

4mx.de

m4x.co.uk

m4x.us

m4x.org

4mx.at

4mx.net

xm4.ru

m4x.pl

xm4.com

4xm.ca

m4x.cn

m4x.biz

DNS History

2 records (2 active, 0 former)

●A2401:c080:1000:4b91:5400:4ff:fe0b:96192026-02-15 → 2026-04-27 · 2 obs

● 2026-02-15 05:11:10
● 2026-04-27 02:53:24

●A45.32.46.2442026-02-15 → 2026-04-27 · 2 obs

● 2026-02-15 05:11:10
● 2026-04-27 02:53:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
unchained.co.jp	ns4.unchained.co.jp, ns3.unchained.co.jp, ns1.unchained.co.jp, ns2.unchained.co.jp	8 records

✅ Authoritative Response

Server:203.145.122.67

NS records: ns4.unchained.co.jp, ns3.unchained.co.jp, ns1.unchained.co.jp, ns2.unchained.co.jp

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.32.46.244`
AAAA	1	`2401:c080:1000:4b91:5400:4ff:fe0b:9619`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.unchained.co.jp, ns2.unchained.co.jp, ns3.unchained.co.jp...)

Analysis

Mail Server Role

mx4.unchained.co.jp serves as a mail server for unchained.co.jp.

mx1.unchained.co.jp, mx2.unchained.co.jp and mx3.unchained.co.jp are commonly used as mail servers together with mx4.unchained.co.jp.

IP Addresses

mx4.unchained.co.jp has two IP numbers: 2401:c080:1000:4b91:5400:4ff:fe0b:9619 and 45.32.46.244.

Other host names, for example ns4.unchained.co.jp, share IP numbers with mx4.unchained.co.jp.

mx4.unchained.co.jp - robtex.com