rmrt.net - dns.ninja

`rmrt.net`

DNSSEC	⚠️ Not signed
A	157.7.189.67^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users254.vip.heteml.jp`
NS	`rmrt.net` ⭐
		A	157.7.189.67^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`users254.vip.heteml.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	`mx.hetemail.jp` ⭐
		A	157.7.189.1^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mx.heteml.jp`
TXT	`v=spf1 include:_spf.heteml.jp include:_spf.heteml.jp ~all`
SOA	`rmrt.net`postmaster@rmrt.net serial=1755670731

`net`

	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=1786366314

NS for

rmrt.net

Same first word

rmrt.com

rmrt.net

rmrt.co

rmrt.nl

rmrt.cn

rmrt.ru

Similar names

mtrr.org

mtrr.com

trmr.us

mrtr.cn

mrtr.ru

mrtr.de

rtrm.uz

tmrr.org

trrm.top

mrrt.com

tmrr.com

mrtr.co

rrmt.co.uk

mrrt.ru

rtmr.me

rtmr.ru

rmtr.com

tmrr.cn

mtrr.com.cn

mrrt.nl

rrmt.org

trmr.de

mtrr.de

tmrr.pl

rmtr.de

rtmr.de

mrrt.org

rtrm.gov.in

rtmr.ch

rmtr.dk

rtrm.ru

mrrt.in

rtrm.cn

trrm.com

mrtr.org

rtmr.it

rtmr.org

trmr.at

rtrm.org

mrtr.com

mrrt.cn

rtrm.com.cn

DNS History

8 records (5 active, 3 former)

●NSdns01.muumuu-domain.com2015-07-14 → 2026-08-10 · 2 obs

● 2015-07-14 21:01:26
● 2026-08-10 13:22:34

●NSdns02.muumuu-domain.com2015-07-14 → 2026-08-10 · 2 obs

● 2015-07-14 21:01:26
● 2026-08-10 13:22:34

●NSrmrt.net2015-07-14 → 2026-08-10 · 2 obs

● 2015-07-14 21:01:26
● 2026-08-10 13:22:34

○MXmail34.heteml.jp2015-07-14 → 2017-03-22 · 4 obs

● 2015-07-14 21:01:26
● 2017-03-22 17:41:58
○ 2026-03-01 06:04:32
○ 2026-08-10 13:22:34

●MXmx.hetemail.jp2026-03-01 → 2026-08-10 · 3 obs

○ 2017-03-22 17:41:58
● 2026-03-01 06:04:32
● 2026-08-10 13:22:34

○A112.78.219.1852015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 21:01:26
○ 2015-11-18 06:50:02
○ 2026-08-10 13:22:34

○A157.7.188.2122015-11-18 → 2017-03-22 · 5 obs

○ 2015-07-14 21:01:26
● 2015-11-18 06:50:02
● 2017-03-22 17:41:58
○ 2026-03-01 06:04:32
○ 2026-08-10 13:22:34

●A157.7.189.672026-03-01 → 2026-08-10 · 3 obs

○ 2017-03-22 17:41:58
● 2026-03-01 06:04:32
● 2026-08-10 13:22:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rmrt.net	dns01.muumuu-domain.com, dns02.muumuu-domain.com	-

✅ 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 rmrt.net (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.189.67`
NS	2	`dns01.muumuu-domain.com, dns02.muumuu-domain.com`
MX	1	`mx.hetemail.jp (pri: 50)`
TXT	1	`v=spf1 include:_spf.heteml.jp include:_s`
SOA	1	`rmrt.net postmaster.rmrt.net`

Analysis

Name Server Role

rmrt.net is listed as a name server for rmrt.net — it is in-bailiwick, authoritative for its own domain.

dns01.muumuu-domain.com and dns02.muumuu-domain.com are often used as name servers in combination with rmrt.net.

IP Addresses

rmrt.net has exactly one IP address — 157.7.189.67.

st-lab.co.jp, ehumaga.com, momiji-youchien.com plus two other host names have IP numbers in common with rmrt.net.

Name Servers

rmrt.net has three authoritative name servers: rmrt.net, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

At least some of rmrt.net's name servers are shared with other domains, for example mamarin.site, suekuu.com, posty.co.jp and two more.

rmrt.net, dns01.muumuu-domain.com and dns02.muumuu-domain.com all have one IP address each — rmrt.net directs to 157.7.189.67, dns01.muumuu-domain.com directs to 202.239.23.39 and dns02.muumuu-domain.com directs to 160.251.249.62.

Mail Servers

rmrt.net uses one mail server — mx.hetemail.jp.

The mail server setup of rmrt.net matches that of other domains such as hirai-kogyo.co.jp, fukushima-ebooks.jp, daybooks.us and two others.

At least a portion of rmrt.net's mail servers are shared with other domains, among them sa-market.com and mtz.jp.

mx.hetemail.jp has exactly one IP number: 157.7.189.1.