`rgf-professional.com`

DNSSEC	⚠️ Not signed
A	54.168.74.128^{🇯🇵 Amazon54.168.0.0/16 EC2 NRT prefix}
		PTR	`ec2-54-168-74-128.ap-northeast-1.compute.amazonaws.com`
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	`rgfprofessional-com0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
TXT	`docusign=eaee0b77-4f69-49f9-a79a-e153239de0ab`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.mailgun.org include:sp...`
TXT	`MS=ms15357907`
TXT	`SFMC-asrAzcJq8jzq-TxPSSMc65Y-XsbgVWJG2sZVyTyJ`
TXT	`google-site-verification=Km7xyZUW1zOVaAoHIMNzizZW0VsJJTXv6Iux-l9HYF8`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1760660209

`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=1774816172

Subdomains

singapore.rgf-professional.com

Same first word

rgf-professional.jp

rgf-professional.com

DNS History

9 records (6 active, 3 former)

●NS01.dnsv.jp2026-02-18 → 2026-03-29 · 3 obs

○ 2017-09-08 04:01:58
● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

●NS02.dnsv.jp2026-02-18 → 2026-03-29 · 3 obs

○ 2017-09-08 04:01:58
● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

●NS03.dnsv.jp2026-02-18 → 2026-03-29 · 3 obs

○ 2017-09-08 04:01:58
● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

●NS04.dnsv.jp2026-02-18 → 2026-03-29 · 3 obs

○ 2017-09-08 04:01:58
● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

○NSdns1.onamae.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 04:01:58
○ 2026-02-18 08:50:28
○ 2026-03-29 20:55:44

○NSdns2.onamae.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 04:01:58
○ 2026-02-18 08:50:28
○ 2026-03-29 20:55:44

●MXrgfprofessional-com0i.mail.protection.outlook.com2026-02-18 → 2026-03-29 · 2 obs

● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

○A150.95.255.382017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 04:01:58
○ 2026-02-18 08:50:28
○ 2026-03-29 20:55:44

●A54.168.74.1282026-02-18 → 2026-03-29 · 3 obs

○ 2017-09-08 04:01:58
● 2026-02-18 08:50:28
● 2026-03-29 20:55:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rgf-professional.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.35.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rgf-professional.com (unsigned zone)

⏱️ Timing

Total: 1087ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.168.74.128`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`rgfprofessional-com0i.mail.protection.ou`
TXT	5	`docusign=eaee0b77-4f69-49f9-a79a-e153239, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

rgf-professional.com is the parent of singapore.rgf-professional.com.

IP Addresses

rgf-professional.com points to a single IP number: 54.168.74.128.

Other host names, for instance rgf-hr.com, ec2-54-168-74-128.ap-northeast-1.compute.amazonaws.com, rgf-executive.com and rgf-executive.jp share IP numbers with rgf-professional.com.

Name Servers

rgf-professional.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

rgf-professional.com at least partially shares name servers with other domains, for instance sakaikitahanada-aeonmall.com, zatsu.net, misako.jp, 20to20.biz and margeapps.com.