`gainer.co.jp`

DNSSEC	⚠️ Not signed
A	13.73.2.14^{🇯🇵 Microsoft13.64.0.0/11 MICROSOFT}
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	`gainer-co-jp.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.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`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`MS=ms40596927`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1647064926

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (61/100)
WOT: SAFE (58/100)

Same first word

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DNS History

19 records (6 active, 13 former)

●NS01.dnsv.jp2026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

●NS02.dnsv.jp2026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

●NS03.dnsv.jp2026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

●NS04.dnsv.jp2026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

○NSdns.gainer.co.jp2015-05-26 → 2017-07-10 · 4 obs

● 2015-05-26 03:58:02
● 2017-07-10 03:35:54
○ 2026-04-09 14:23:56
○ 2026-04-12 13:01:56

○NSdns2.gainer.co.jp2015-05-26 → 2016-01-21 · 4 obs

● 2015-05-26 03:58:02
● 2016-01-21 23:45:04
○ 2016-04-09 22:57:16
○ 2026-04-12 13:01:56

○NSuns02.usen.ad.jp2015-05-26 → 2017-07-10 · 4 obs

● 2015-05-26 03:58:02
● 2017-07-10 03:35:54
○ 2026-04-09 14:23:56
○ 2026-04-12 13:01:56

○MXalt1.aspmx.l.google.com2016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-21 23:45:04
● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

○MXalt2.aspmx.l.google.com2016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-21 23:45:04
● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

○MXalt3.aspmx.l.google.com2016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-21 23:45:04
● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

○MXalt4.aspmx.l.google.com2016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-21 23:45:04
● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

○MXaspmx.l.google.com2016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-21 23:45:04
● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

●MXgainer-co-jp.mail.protection.outlook.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

○MXmx.gainer.co.jp2015-05-26 → 2016-01-21 · 4 obs

● 2015-05-26 03:58:02
● 2016-01-21 23:45:04
○ 2016-04-09 22:57:16
○ 2026-04-12 13:01:56

○MXmx1.gainer.co.jp2017-07-01 → 2017-07-10 · 5 obs

○ 2016-04-09 22:57:16
● 2017-07-01 23:21:18
● 2017-07-10 03:35:54
○ 2026-04-09 14:23:56
○ 2026-04-12 13:01:56

○MXmx2.gainer.co.jp2017-07-01 → 2017-07-10 · 5 obs

○ 2016-04-09 22:57:16
● 2017-07-01 23:21:18
● 2017-07-10 03:35:54
○ 2026-04-09 14:23:56
○ 2026-04-12 13:01:56

●A13.73.2.142026-04-09 → 2026-04-12 · 3 obs

○ 2017-07-10 03:35:54
● 2026-04-09 14:23:56
● 2026-04-12 13:01:56

○A221.243.161.1982016-04-09 → 2016-04-09 · 3 obs

● 2016-04-09 22:57:16
○ 2017-07-01 23:21:18
○ 2026-04-12 13:01:56

○A42.124.125.2262017-07-01 → 2017-07-10 · 5 obs

○ 2016-04-09 22:57:16
● 2017-07-01 23:21:18
● 2017-07-10 03:35:54
○ 2026-04-09 14:23:56
○ 2026-04-12 13:01:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
gainer.co.jp	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	7 records

✅ 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 gainer.co.jp (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.73.2.14`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`gainer-co-jp.mail.protection.outlook.com`
TXT	2	`MS=ms40596927, v=spf1 include:spf.protection.outlook.co`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

IP Addresses

gainer.co.jp resolves to one IP number: 13.73.2.14.

Other host names, for example www.explanet.co.jp, share IP numbers with gainer.co.jp.

Name Servers

gainer.co.jp delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

gainer.co.jp at least partially shares name servers with other domains, including yogkan.co.jp, ken-ei.com, innolab-international.org, sale-buy.me and ambient.co.jp.

Host names with two IPs:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53

Host names with one IP:

02.dnsv.jp points to 157.7.33.53

Mail Servers

A single mail server handles gainer.co.jp, gainer-co-jp.mail.protection.outlook.com.

Host gainer-co-jp.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc24::, 52.101.124.5, 52.101.157.10, 52.101.157.11 and 52.101.157.40.

gainer.co.jp - robtex.com

gainer.co.jp

co.jp

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`gainer.co.jp`

`co.jp`