`it-engineer-info.com`

DNSSEC	⚠️ Not signed
A	183.90.237.111^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		PTR	`sv7270.xserver.jp`
NS	`it-engineer-info.com` ⭐
		A	183.90.237.111^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
			PTR	`sv7270.xserver.jp`
NS	`dns01.muumuu-domain.com`
		A	202.239.23.39^{🇯🇵 IDC202.239.23.0/24 Frontier Inc.}
NS	`dns02.muumuu-domain.com`
		A	160.251.249.62^{🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
MX	`mail.it-engineer-info.com` ⭐
		A	183.90.237.111^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
			PTR	`sv7270.xserver.jp`
SOA	`it-engineer-info.com`postmaster@it-engineer-info.com serial=1590459480

`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=1776146777

NS for

it-engineer-info.com

Previously MX for

it-engineer-info.com

Subdomains

mail.it-engineer-info.com

www.it-engineer-info.com

Same first word

it-engineer-info.com

DNS History

11 records (5 active, 6 former)

●NSdns01.muumuu-domain.com2026-03-01 → 2026-04-14 · 3 obs

○ 2017-12-25 03:32:00
● 2026-03-01 00:22:18
● 2026-04-14 06:07:20

●NSdns02.muumuu-domain.com2026-03-01 → 2026-04-14 · 3 obs

○ 2017-12-25 03:32:00
● 2026-03-01 00:22:18
● 2026-04-14 06:07:20

●NSit-engineer-info.com2026-03-01 → 2026-04-14 · 3 obs

○ 2017-12-25 03:32:00
● 2026-03-01 00:22:18
● 2026-04-14 06:07:20

○NSns1.mixhost.jp2017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

○NSns2.mixhost.jp2017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

○NSns3.mixhost.jp2017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

○NSns4.mixhost.jp2017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

○MXit-engineer-info.com2017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

●MXmail.it-engineer-info.com2026-03-01 → 2026-04-14 · 3 obs

○ 2017-12-25 03:32:00
● 2026-03-01 00:22:18
● 2026-04-14 06:07:20

○A153.120.181.1842017-12-25 → 2017-12-25 · 3 obs

● 2017-12-25 03:32:00
○ 2026-03-01 00:22:18
○ 2026-04-14 06:07:20

●A183.90.237.1112026-03-01 → 2026-04-14 · 3 obs

○ 2017-12-25 03:32:00
● 2026-03-01 00:22:18
● 2026-04-14 06:07:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
it-engineer-info.com	dns01.muumuu-domain.com, dns02.muumuu-domain.com	2 records

✅ Authoritative Response

Server:160.251.249.62

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-engineer-info.com (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.90.237.111`
NS	2	`dns01.muumuu-domain.com, dns02.muumuu-domain.com`
MX	1	`mail.it-engineer-info.com (pri: 10)`
SOA	1	`it-engineer-info.com postmaster.it-engin`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)

Analysis

Hierarchy

it-engineer-info.com is a parent of mail.it-engineer-info.com and www.it-engineer-info.com.

Name Server Role

it-engineer-info.com serves as a name server for it-engineer-info.com.

dns01.muumuu-domain.com and dns02.muumuu-domain.com commonly function as name servers alongside it-engineer-info.com.

IP Addresses

it-engineer-info.com resolves to one IP number: 183.90.237.111.

Other host names, for instance nurse-is.com, wadai-kyoto.com, hito-com.co.jp, testsite001.com and j-mamenoki.co.jp share IP numbers with it-engineer-info.com.

Name Servers

it-engineer-info.com is delegated to three name servers: it-engineer-info.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

it-engineer-info.com at least partially shares name servers with other domains, including 40myreco.com, simomiya.com, doi.cc, kanade-m.com and csirke.info.

Host names with a single IP:

it-engineer-info.com points to 183.90.237.111; dns01.muumuu-domain.com points to 202.239.23.39; dns02.muumuu-domain.com points to 160.251.249.62.

Mail Servers

A single mail server handles it-engineer-info.com, mail.it-engineer-info.com.

Host name mail.it-engineer-info.com resolves to a single IP: 183.90.237.111.

it-engineer-info.com - robtex.com