protosolution.co.jp - dns.ninja

`protosolution.co.jp`

DNSSEC	⚠️ Not signed
A	18.176.77.82^{🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix}
		PTR	`ec2-18-176-77-82.ap-northeast-1.compute.amazonaws.com`
A	52.68.159.26^{🇯🇵 Amazon52.68.0.0/15 EC2 NRT prefix}
A	54.238.163.170^{🇯🇵 Amazon54.238.128.0/17 EC2 NRT prefix}
NS	`ns-1633.awsdns-12.co.uk` ⭐
		A	2600:9000:5306:6100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1633.awsdns-12.co.uk`
		A	205.251.198.97^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1633.awsdns-12.co.uk`
NS	`ns-1.awsdns-00.com`
		A	2600:9000:5300:100::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-1.awsdns-00.com`
		A	205.251.192.1^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-1.awsdns-00.com`
NS	`ns-1123.awsdns-12.org`
		A	2600:9000:5304:6300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1123.awsdns-12.org`
		A	205.251.196.99^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1123.awsdns-12.org`
NS	`ns-588.awsdns-09.net`
		A	2600:9000:5302:4c00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-588.awsdns-09.net`
		A	205.251.194.76^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-588.awsdns-09.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`apple-domain-verification=3VZ3YG4gzahuq1nW`
TXT	`google-site-verification=NM8COzExS2sacebiZG1eq2SyLaXZ1ALovEVMjiguBmM`
TXT	`v=spf1 include:spf.mta.hdems.com include:_spf.google.com include:fc3291.cueno...`
SOA	`ns-1633.awsdns-12.co.uk`awsdns-hostmaster@amazon.com serial=1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

www.protosolution.co.jp

itblog.protosolution.co.jp

Same first word

protosolution.com

protosolution.co.jp

DNS History

22 records (12 active, 10 former)

●NSns-1.awsdns-00.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●NSns-1123.awsdns-12.org2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●NSns-1633.awsdns-12.co.uk2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●NSns-588.awsdns-09.net2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●MXalt1.aspmx.l.google.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●MXalt2.aspmx.l.google.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●MXalt3.aspmx.l.google.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●MXalt4.aspmx.l.google.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

●MXaspmx.l.google.com2016-12-05 → 2026-06-20 · 2 obs

● 2016-12-05 01:26:08
● 2026-06-20 17:47:58

○A13.113.88.1052026-03-28 → 2026-03-28 · 3 obs

○ 2018-01-06 06:26:08
● 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

●A18.176.77.822026-06-20 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
● 2026-06-20 17:47:58

○A18.179.252.602026-03-28 → 2026-03-28 · 3 obs

○ 2018-01-06 06:26:08
● 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

○A35.75.119.892026-03-28 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

○A52.193.136.1862018-01-06 → 2018-01-06 · 4 obs

○ 2016-12-05 01:26:08
● 2018-01-06 06:26:08
○ 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

○A52.196.37.982018-01-06 → 2018-01-06 · 4 obs

○ 2016-12-05 01:26:08
● 2018-01-06 06:26:08
○ 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

○A52.197.32.662026-03-28 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

○A52.199.124.42026-03-28 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

●A52.68.159.262026-06-20 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
● 2026-06-20 17:47:58

○A52.68.59.1232016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:26:08
○ 2018-01-06 06:26:08
○ 2026-06-20 17:47:58

○A52.69.132.1472016-12-05 → 2016-12-05 · 3 obs

● 2016-12-05 01:26:08
○ 2018-01-06 06:26:08
○ 2026-06-20 17:47:58

●A54.238.163.1702026-06-20 → 2026-06-20 · 2 obs

○ 2026-03-28 05:23:42
● 2026-06-20 17:47:58

○A57.181.48.1762026-03-28 → 2026-03-28 · 3 obs

○ 2018-01-06 06:26:08
● 2026-03-28 05:23:42
○ 2026-06-20 17:47:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, b.dns.jp, h.dns.jp, c.dns.jp...	-
protosolution.co.jp	ns-1.awsdns-00.com, ns-588.awsdns-09.net, ns-1123.awsdns-12.org, ns-1633.awsdns-12.co.uk	-

✅ Authoritative Response

Server:205.251.192.1

NS records: ns-1.awsdns-00.com, ns-588.awsdns-09.net, ns-1123.awsdns-12.org, ns-1633.awsdns-12.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protosolution.co.jp (unsigned zone)

⏱️ Timing

Total: 933ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`54.238.163.170, 18.176.77.82...`
NS	4	`ns-1.awsdns-00.com, ns-1123.awsdns-12.org...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`apple-domain-verification=3VZ3YG4gzahuq1, google-site-verification=NM8COzExS2saceb...`
SOA	1	`ns-1633.awsdns-12.co.uk awsdns-hostmaste`

Analysis

Hierarchy

www.protosolution.co.jp and itblog.protosolution.co.jp each fall under protosolution.co.jp as their parent domain.

IP Addresses

protosolution.co.jp maps to three IP numbers — 18.176.77.82, 52.68.159.26 and 54.238.163.170.

Additional host names — including ec2-52-68-159-26.ap-northeast-1.compute.amazonaws.com and ec2-54-238-163-170.ap-northeast-1.compute.amazonaws.com — share IP numbers with protosolution.co.jp.

Name Servers

The NS records for protosolution.co.jp point to four name servers: ns-1.awsdns-00.com, ns-588.awsdns-09.net, ns-1123.awsdns-12.org and ns-1633.awsdns-12.co.uk.

protosolution.co.jp has at least partial name server overlap with other domains, such as daboryhost.com, reflexion1.com, goeduquiz.com and two others.

ns-1.awsdns-00.com, ns-588.awsdns-09.net, ns-1123.awsdns-12.org and ns-1633.awsdns-12.co.uk all point to exactly two IP numbers each: ns-1.awsdns-00.com → 205.251.192.1 and 2600:9000:5300:100::1; ns-588.awsdns-09.net → 205.251.194.76 and 2600:9000:5302:4c00::1; ns-1123.awsdns-12.org → 205.251.196.99 and 2600:9000:5304:6300::1; ns-1633.awsdns-12.co.uk → 205.251.198.97 and 2600:9000:5306:6100::1.

Mail Servers

protosolution.co.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between protosolution.co.jp and other domains, including siete-habitos.com.ar, losidiomas.com, dino.com.pe and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 142.251.111.27 and 2607:f8b0:4004:c23::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.