`master-pcsupport.com`

DNSSEC	⚠️ Not signed
A	157.7.44.239^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users202.vip.heteml.jp`
NS	`dns0.heteml.jp` ⭐
		A	157.7.44.53^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`dns510.heteml.jp`
NS	`dns1.heteml.jp`
		A	157.7.188.149^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`dns711.phy.heteml.jp`
MX	`mx-proxy501.heteml.jp` ⭐
		A	157.7.189.17^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
MX	`mx-proxy502.heteml.jp`⁽²⁰⁾
		A	157.7.189.18^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
TXT	`v=spf1 include:_spf.heteml.jp ~all`
SOA	`dns0.heteml.jp`hostmaster@master-pcsupport.com serial=1778344818

`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=1778345736

Same first word

master-pcsupport.com

DNS History

8 records (5 active, 3 former)

●NSdns0.heteml.jp2015-06-22 → 2026-05-09 · 2 obs

● 2015-06-22 06:33:54
● 2026-05-09 17:25:44

●NSdns1.heteml.jp2015-06-22 → 2026-05-09 · 2 obs

● 2015-06-22 06:33:54
● 2026-05-09 17:25:44

○MXmail49.heteml.jp2015-06-22 → 2020-01-06 · 3 obs

● 2015-06-22 06:33:54
● 2020-01-06 15:42:12
○ 2026-05-09 17:25:44

●MXmx-proxy501.heteml.jp2026-05-09 → 2026-05-09 · 2 obs

○ 2020-01-06 15:42:12
● 2026-05-09 17:25:44

●MXmx-proxy502.heteml.jp2026-05-09 → 2026-05-09 · 2 obs

○ 2020-01-06 15:42:12
● 2026-05-09 17:25:44

○A157.7.188.2342015-11-08 → 2020-01-06 · 4 obs

○ 2015-06-22 06:33:54
● 2015-11-08 14:57:16
● 2020-01-06 15:42:12
○ 2026-05-09 17:25:44

●A157.7.44.2392026-05-09 → 2026-05-09 · 2 obs

○ 2020-01-06 15:42:12
● 2026-05-09 17:25:44

○A182.48.26.522015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 06:33:54
○ 2015-11-08 14:57:16
○ 2026-05-09 17:25:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...	-
master-pcsupport.com	dns0.heteml.jp, dns1.heteml.jp	-

✅ Authoritative Response

Server:157.7.188.149

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-pcsupport.com (unsigned zone)

⏱️ Timing

Total: 1330ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.44.239`
NS	2	`dns1.heteml.jp, dns0.heteml.jp`
MX	2	`mx-proxy501.heteml.jp (pri: 10), mx-proxy502.heteml.jp (pri: 20)`
TXT	1	`v=spf1 include:_spf.heteml.jp ~all`
SOA	1	`dns0.heteml.jp hostmaster.master-pcsuppo`

Analysis

IP Addresses

master-pcsupport.com resolves to one IP number: 157.7.44.239.

other host names including hostmaster.polepole-school.com, shinmizukoshi.net, beverlyhills-chicken.com, happystart.jp and www.haradaseisakusyo.co.jp share IP numbers with master-pcsupport.com.

Name Servers

master-pcsupport.com is delegated to two name servers dns0.heteml.jp and dns1.heteml.jp.

master-pcsupport.com shares the same name server setup as other domains, for instance doyu.co.kr, pier.jp, ioa.jp, madoi.co.jp and rihouseimei.com.

Host names with one IP number:

dns0.heteml.jp points to 157.7.44.53

dns1.heteml.jp points to 157.7.188.149

Mail Servers

Two mail servers handle master-pcsupport.com: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

master-pcsupport.com shares the same mail server setup as other domains, for instance design-zero.tv, rakurakuprint.com, 999-40.jp, trace-kobo.com and l-star.jp.

master-pcsupport.com shares some mail servers with other domains, at least partially, for example so-le.net and carifood.jp.

Host names with one IP number:

mx-proxy501.heteml.jp points to 157.7.189.17

mx-proxy502.heteml.jp points to 157.7.189.18

master-pcsupport.com - robtex.com