`mdx-gr.com`

DNSSEC	⚠️ Not signed
A	203.137.76.238^{🇯🇵 IDC203.137.64.0/20 Frontier Inc.}
NS	`ns.mdx-gr.com` ⭐
		A	203.137.76.238^{🇯🇵 IDC203.137.64.0/20 Frontier Inc.}
NS	`nsdd101.wadax-sv.jp` ⚠️ Not in zone NS records
		A	211.1.224.172^{🇯🇵 MCNET211.1.224.0/20 NTT SmartConnect Corp.}
MX	`mail.mdx-gr.com` ⭐
		A	203.137.76.238^{🇯🇵 IDC203.137.64.0/20 Frontier Inc.}
TXT	`v=spf1 include:spf.obc.jp ip4:203.137.76.238 include:_spf.xserver.jp ~all`
SOA	`ns.mdx-gr.com`postmaster@mdx-gr.com serial=1772606175

`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.net`nstld@verisign-grs.com serial=1774706152

Subdomains

mail.mdx-gr.com

ns.mdx-gr.com

Same first word

mdx-gr.com

DNS History

5 records (4 active, 1 former)

●NSns.mdx-gr.com2015-07-14 → 2026-03-28 · 2 obs

● 2015-07-14 19:30:52
● 2026-03-28 14:13:34

●NSnsdd101.wadax-sv.jp2026-03-13 → 2026-03-28 · 3 obs

○ 2015-07-14 19:30:52
● 2026-03-13 20:54:44
● 2026-03-28 14:13:34

●MXmail.mdx-gr.com2015-07-14 → 2026-03-28 · 2 obs

● 2015-07-14 19:30:52
● 2026-03-28 14:13:34

●A203.137.76.2382026-03-13 → 2026-03-28 · 3 obs

○ 2019-01-11 08:41:48
● 2026-03-13 20:54:44
● 2026-03-28 14:13:34

○A203.183.65.552015-07-14 → 2019-01-11 · 4 obs

● 2015-07-14 19:30:52
● 2019-01-11 08:41:48
○ 2026-03-13 20:54:44
○ 2026-03-28 14:13:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
mdx-gr.com	ns.mdx-gr.com, nsdd101.wadax-sv.jp	1 record

✅ Authoritative Response

Server:211.1.224.172

NS records: ns.mdx-gr.com, nsdd101.wadax-sv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdx-gr.com (unsigned zone)

⏱️ Timing

Total: 1018ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.137.76.238`
NS	1	`ns.mdx-gr.com`
MX	1	`mail.mdx-gr.com (pri: 10)`
TXT	1	`v=spf1 include:spf.obc.jp ip4:203.137.76`
SOA	1	`ns.mdx-gr.com postmaster.mdx-gr.com`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.mdx-gr.com)

Analysis

Hierarchy

mdx-gr.com is a parent of mail.mdx-gr.com and ns.mdx-gr.com.

IP Addresses

mdx-gr.com points to a single IP address: 203.137.76.238.

Other host names, such as mail.mdx-gr.com and ns.mdx-gr.com, share IP numbers with mdx-gr.com.

Name Servers

Two name servers ns.mdx-gr.com and nsdd101.wadax-sv.jp handle the delegation for mdx-gr.com.

mdx-gr.com at least partially shares name servers with other domains, for example t-eye.net, hansin-bridal.com, pre-tokyo.co.jp, otake-photo.jp and hashidumeseifun.com.

these name servers are commonly used with ns.sora-jp.com, ns.mitani-micro.co.jp, ns.i-hoken.com, ns1.t-eye.net, ns2.t-eye.net and ns.t-eye.net.

Host names with one IP number:

ns.mdx-gr.com points to 203.137.76.238; nsdd101.wadax-sv.jp points to 211.1.224.172.

Mail Servers

The mail.mdx-gr.com mail server handles mdx-gr.com.

mail.mdx-gr.com points to a single IP number: 203.137.76.238.

mdx-gr.com - robtex.com

mdx-gr.com

com