`uss.co.jp`

DNSSEC	⚠️ Not signed
A	153.126.164.175^{🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`ik1-318-19171.vs.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		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	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4001:c21::1b^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f27.1e100.net`
		A	142.251.127.27^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f27.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4025:4401::1b^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskedq-in-f27.1e100.net`
		A	172.253.148.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yuskedq-in-f26.1e100.net`
TXT	`v=spf1 include:spf.spcloud.jp include:_spf.activegate-ss.jp ~all`
TXT	`google-site-verification=xY4OaKsS39IpWdEIWmvw7Om752tDBM9XXCsFpkdnKD0`
TXT	`MS=FC296A942A4581D39D73D5BB580ABAAB92650ED6`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-06-09 #1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Same first word

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DNS History

17 records (11 active, 6 former)

○NSgatekeeper.uss.co.jp2015-08-02 → 2017-04-03 · 4 obs

● 2015-08-02 20:55:06
● 2017-04-03 21:48:30
○ 2026-05-18 11:43:58
○ 2026-07-29 08:26:38

●NSmaster.dns.ne.jp2026-05-18 → 2026-07-29 · 3 obs

○ 2017-04-03 21:48:30
● 2026-05-18 11:43:58
● 2026-07-29 08:26:38

●NSns1.dns.ne.jp2026-05-18 → 2026-07-29 · 3 obs

○ 2017-04-03 21:48:30
● 2026-05-18 11:43:58
● 2026-07-29 08:26:38

○NSns1.kanriweb.com2015-08-02 → 2017-04-03 · 4 obs

● 2015-08-02 20:55:06
● 2017-04-03 21:48:30
○ 2026-05-18 11:43:58
○ 2026-07-29 08:26:38

●NSns2.dns.ne.jp2026-05-18 → 2026-07-29 · 3 obs

○ 2017-04-03 21:48:30
● 2026-05-18 11:43:58
● 2026-07-29 08:26:38

○NSns2.kanriweb.com2015-08-02 → 2017-04-03 · 4 obs

● 2015-08-02 20:55:06
● 2017-04-03 21:48:30
○ 2026-05-18 11:43:58
○ 2026-07-29 08:26:38

○NSpns.ocn.ad.jp2015-08-02 → 2017-04-03 · 4 obs

● 2015-08-02 20:55:06
● 2017-04-03 21:48:30
○ 2026-05-18 11:43:58
○ 2026-07-29 08:26:38

●MXalt1.aspmx.l.google.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXalt2.aspmx.l.google.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXaspmx.l.google.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXaspmx2.googlemail.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXaspmx3.googlemail.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXaspmx4.googlemail.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

●MXaspmx5.googlemail.com2015-08-02 → 2026-07-29 · 2 obs

● 2015-08-02 20:55:06
● 2026-07-29 08:26:38

○MXpns.ocn.ad.jp2015-08-02 → 2017-04-03 · 4 obs

● 2015-08-02 20:55:06
● 2017-04-03 21:48:30
○ 2026-05-18 11:43:58
○ 2026-07-29 08:26:38

●A153.126.164.1752026-07-11 → 2026-07-29 · 3 obs

○ 2026-05-18 11:43:58
● 2026-07-11 18:10:46
● 2026-07-29 08:26:38

○A49.212.145.1862015-08-02 → 2026-05-18 · 4 obs

● 2015-08-02 20:55:06
● 2026-05-18 11:43:58
○ 2026-07-11 18:10:46
○ 2026-07-29 08:26:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
uss.co.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.126.164.175`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	7	`aspmx4.googlemail.com (pri: 30), aspmx5.googlemail.com (pri: 30)...`
TXT	3	`v=spf1 include:spf.spcloud.jp include:_s, google-site-verification=xY4OaKsS39IpWdE...`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

IP Addresses

uss.co.jp has exactly one IP address — 153.126.164.175.

posregi.jp, for instance, is one of the other host names sharing IP numbers with uss.co.jp.

Name Servers

The authoritative name servers for uss.co.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

uss.co.jp partially shares its NS delegation with several other domains, including stm1.net, noushu.co.jp, do-bunkyodai-yochien.ed.jp and two others.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

The MX records for uss.co.jp point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

At least some of the mail servers used by uss.co.jp are shared with other domains: arcd.org, harmonize.com.br, animo.com.es and two others among them.

These mail servers are often deployed together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com directs traffic to 142.251.127.27 and 2a00:1450:4001:c21::1b.

aspmx5.googlemail.com directs traffic to 172.253.148.26 and 2a00:1450:4025:4401::1b.

aspmx.l.google.com directs traffic to 142.251.167.27 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

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

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.