simasu.com - dns.ninja

`simasu.com`

DNSSEC	⚠️ Not signed
A	157.120.34.240^{🇯🇵 InfoSphere157.120.0.0/18 INFOSPHERE}
		PTR	`157-120-34-240.indigo.static.arena.ne.jp`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`indigo.simasu.com` ⭐
		A	157.120.34.240^{🇯🇵 InfoSphere157.120.0.0/18 INFOSPHERE}
			PTR	`157-120-34-240.indigo.static.arena.ne.jp`
TXT	`v=spf1 ip4:157.120.34.240 -all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1758731883

`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=1785696232

Subdomains

mail.simasu.com

indigo.simasu.com

Same first word

simasu.com

simasu.net

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DNS History

10 records (6 active, 4 former)

●NS01.dnsv.jp2015-07-21 → 2026-08-02 · 2 obs

● 2015-07-21 18:42:08
● 2026-08-02 19:04:36

●NS02.dnsv.jp2015-07-21 → 2026-08-02 · 2 obs

● 2015-07-21 18:42:08
● 2026-08-02 19:04:36

●NS03.dnsv.jp2015-07-21 → 2026-08-02 · 2 obs

● 2015-07-21 18:42:08
● 2026-08-02 19:04:36

●NS04.dnsv.jp2015-07-21 → 2026-08-02 · 2 obs

● 2015-07-21 18:42:08
● 2026-08-02 19:04:36

○NSns1.hosting-sys.jp2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 18:42:08
○ 2015-10-14 08:04:42
○ 2026-08-02 19:04:36

●MXindigo.simasu.com2026-03-19 → 2026-08-02 · 3 obs

○ 2017-03-30 13:33:06
● 2026-03-19 20:21:16
● 2026-08-02 19:04:36

○MXmail.simasu.com2015-07-21 → 2017-03-30 · 4 obs

● 2015-07-21 18:42:08
● 2017-03-30 13:33:06
○ 2026-03-19 20:21:16
○ 2026-08-02 19:04:36

○A153.122.16.12015-07-21 → 2015-10-14 · 4 obs

● 2015-07-21 18:42:08
● 2015-10-14 08:04:42
○ 2016-01-03 20:15:06
○ 2026-08-02 19:04:36

●A157.120.34.2402026-03-19 → 2026-08-02 · 3 obs

○ 2017-03-30 13:33:06
● 2026-03-19 20:21:16
● 2026-08-02 19:04:36

○A209.54.59.922016-01-03 → 2017-03-30 · 5 obs

○ 2015-10-14 08:04:42
● 2016-01-03 20:15:06
● 2017-03-30 13:33:06
○ 2026-03-19 20:21:16
○ 2026-08-02 19:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
simasu.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simasu.com (unsigned zone)

⏱️ Timing

Total: 2479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.120.34.240`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`indigo.simasu.com (pri: 20)`
TXT	1	`v=spf1 ip4:157.120.34.240 -all`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

mail.simasu.com and indigo.simasu.com are both subdomains of simasu.com.

IP Addresses

simasu.com resolves to one IP address: 157.120.34.240.

There are other host names — indigo.simasu.com among them — that share IP numbers with simasu.com.

Name Servers

The authoritative name servers for simasu.com are 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

simasu.com shares at least some of its name servers with other domains, including ecofan.net, pictgland.com, fitlinecloud.com and two others.

Hostnames that resolve to two IP addresses:

01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.

Hosts with just one IP address:

02.dnsv.jp directs to 157.7.33.53.

Mail Servers

Mail for simasu.com is handled by a single mail server, indigo.simasu.com.

The mail server configuration of simasu.com is identical to that of other domains — indigo.simasu.com being one example.

indigo.simasu.com has exactly one IP number: 157.120.34.240.