`sstd.co.jp`

DNSSEC	⚠️ Not signed
A	163.44.176.20^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`v2010.coreserver.jp`
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=8Zz2yqn6ezfUQ9OBWcG1dxFhlEGPr__jxUj5itN-75o`
TXT	`v=spf1 include:_spf.google.com include:shops.shopify.com ~all`
SOA	`ns1.value-domain.com`hostmaster@sstd.co.jp 2026-06-08 #13

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Same first word

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sstd.co.jp

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DNS History

12 records (11 active, 1 former)

●NSns1.value-domain.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●NSns2.value-domain.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●NSns3.value-domain.com2026-06-19 → 2026-07-17 · 3 obs

○ 2020-03-18 04:24:18
● 2026-06-19 12:39:38
● 2026-07-17 16:59:54

●NSns4.value-domain.com2026-06-19 → 2026-07-17 · 3 obs

○ 2020-03-18 04:24:18
● 2026-06-19 12:39:38
● 2026-07-17 16:59:54

●NSns5.value-domain.com2026-06-19 → 2026-07-17 · 3 obs

○ 2020-03-18 04:24:18
● 2026-06-19 12:39:38
● 2026-07-17 16:59:54

●MXalt1.aspmx.l.google.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●MXalt2.aspmx.l.google.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●MXalt3.aspmx.l.google.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●MXalt4.aspmx.l.google.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●MXaspmx.l.google.com2020-03-18 → 2026-07-17 · 2 obs

● 2020-03-18 04:24:18
● 2026-07-17 16:59:54

●A163.44.176.202026-06-19 → 2026-07-17 · 3 obs

○ 2020-03-18 04:24:18
● 2026-06-19 12:39:38
● 2026-07-17 16:59:54

○A202.254.234.372020-03-18 → 2020-03-18 · 3 obs

● 2020-03-18 04:24:18
○ 2026-06-19 12:39:38
○ 2026-07-17 16:59:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, a.dns.jp, f.dns.jp, c.dns.jp...	-
sstd.co.jp	ns1.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...	-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.44.176.20`
NS	2	`ns2.value-domain.com, ns1.value-domain.com`
MX	5	`ASPMX.L.GOOGLE.COM (pri: 1), ALT4.ASPMX.L.GOOGLE.COM (pri: 10)...`
TXT	2	`v=spf1 include:_spf.google.com include:s, google-site-verification=8Zz2yqn6ezfUQ9O`
SOA	1	`ns1.value-domain.com hostmaster.sstd.co.`

Analysis

IP Addresses

sstd.co.jp has exactly one IP address — 163.44.176.20.

xone.jp, sakamotoen.net, ghelia.com plus two other host names have IP numbers in common with sstd.co.jp.

Name Servers

Five name servers handle delegation for sstd.co.jp: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

sstd.co.jp shares at least some of its name servers with other domains, including avantispathailand.com, y3land.com, tktr.net and two others.

These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns11.value-domain.com, plus two others.

Host names resolving to a single IP address:

ns1.value-domain.com resolves to 172.64.52.38.

ns2.value-domain.com resolves to 172.64.53.3.

ns3.value-domain.com resolves to 172.64.52.38.

ns4.value-domain.com resolves to 172.64.53.3.

ns5.value-domain.com resolves to 172.64.52.38.

Three host names point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.

The host names ns2.value-domain.com and ns4.value-domain.com both resolve to 172.64.53.3 IP addresses.

Mail Servers

Mail for sstd.co.jp is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by sstd.co.jp are shared with other domains: ourlibrarymatters.org, tiphaniedoucet.com, gildedplanet.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 192.178.218.26 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.