`first-coaching.com`

DNSSEC	⚠️ Not signed
A	163.44.185.171^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`163-44-185-171.virt.lolipop.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	`lp.first-coaching.com` ⭐
		A	163.44.185.171^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`163-44-185-171.virt.lolipop.jp`
MX	`mx01.lolipop.jp`⁽⁵⁰⁾
		A	157.7.107.233^{🇯🇵 GMO-INTERNET157.7.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`ip-157-7-107-233.defastlink.net`
TXT	`v=spf1 include:_spf.lolipop.jp ~all`
SOA	`dns01.muumuu-domain.com`postmaster@first-coaching.com serial=1737785241

`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=1771291435

Same first word

first-coaching.com

DNS History

5 records (5 active, 0 former)

●NSdns01.muumuu-domain.com2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 00:26:40
● 2026-03-24 04:15:30

●NSdns02.muumuu-domain.com2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 00:26:40
● 2026-03-24 04:15:30

●MXlp.first-coaching.com2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 00:26:40
● 2026-03-24 04:15:30

●MXmx01.lolipop.jp2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 00:26:40
● 2026-03-24 04:15:30

●A163.44.185.1712026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 00:26:40
● 2026-03-24 04:15:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
first-coaching.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 first-coaching.com (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.44.185.171`
NS	2	`dns02.muumuu-domain.com, dns01.muumuu-domain.com`
MX	2	`lp.first-coaching.com (pri: 0), mx01.lolipop.jp (pri: 50)`
TXT	1	`v=spf1 include:_spf.lolipop.jp ~all`
SOA	1	`dns01.muumuu-domain.com postmaster.first`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

first-coaching.com points to a single IP: 163.44.185.171.

Other host names, for instance majinalife.com, fugakukai.com, imoto-shikaiin.com, hottatechnoservice.com and howtobuyfromjapan.com share IP numbers with first-coaching.com.

Name Servers

first-coaching.com's delegation is to two name servers dns01.muumuu-domain.com and dns02.muumuu-domain.com.

first-coaching.com shares the same name server configuration as other domains, such as yorihisa.com, sosozg.com, hase-pro.com, salon-jouir.com and soba-ko.com.

first-coaching.com at least partially shares its name servers with other domains, for instance tools-leather.com, beauty-crave.com, cre-os.com, nail-plus.com and ka-shimo.com.

Host names with a single IP:

dns01.muumuu-domain.com resolves to 202.239.23.39.

dns02.muumuu-domain.com resolves to 160.251.249.62.

Mail Servers

Two mail servers lp.first-coaching.com and mx01.lolipop.jp handle first-coaching.com.

first-coaching.com shares some mail servers with other domains, including nonijiuce.net, kaminos.net, masazen.co.jp, 4thstage.com and topout.net.

Host names with a single IP:

lp.first-coaching.com resolves to 163.44.185.171.

mx01.lolipop.jp resolves to 157.7.107.233.

first-coaching.com - robtex.com