`css-sumisei.com`

DNSSEC	⚠️ Not signed
NS	`asns1.customer.ne.jp` ⭐
		A	210.150.254.86^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns1.customer.ne.jp`
NS	`asns2.customer.ne.jp`
		A	210.150.254.94^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns2.customer.ne.jp`
MX	`csssumisei-com0i.mail.protection.outlook.com` ⭐
		A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ty3p286cu00101.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	`v=spf1 include:smp.ne.jp include:_prspf8n.guardianwall.jp ~all`
SOA	`asns1.customer.ne.jp`css-system@css-osaka.com serial=1494294868

`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=1774558757

Subdomains

mail.css-sumisei.com

Same first word

css-sumisei.com

DNS History

4 records (3 active, 1 former)

●NSasns1.customer.ne.jp2017-08-13 → 2026-03-26 · 2 obs

● 2017-08-13 16:51:28
● 2026-03-26 21:14:46

●NSasns2.customer.ne.jp2017-08-13 → 2026-03-26 · 2 obs

● 2017-08-13 16:51:28
● 2026-03-26 21:14:46

●MXcsssumisei-com0i.mail.protection.outlook.com2026-02-16 → 2026-03-26 · 3 obs

○ 2017-08-13 16:51:28
● 2026-02-16 15:57:12
● 2026-03-26 21:14:46

○MXmail.css-sumisei.com2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 16:51:28
○ 2026-02-16 15:57:12
○ 2026-03-26 21:14:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
css-sumisei.com	asns1.customer.ne.jp, asns2.customer.ne.jp	-

✅ Authoritative Response

Server:210.150.254.94

NS records: asns1.customer.ne.jp, asns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for css-sumisei.com (unsigned zone)

⏱️ Timing

Total: 1046ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`asns1.customer.ne.jp, asns2.customer.ne.jp`
MX	1	`csssumisei-com0i.mail.protection.outlook`
TXT	1	`v=spf1 include:smp.ne.jp include:_prspf8`
SOA	1	`asns1.customer.ne.jp css-system.css-osak`

Analysis

Hierarchy

mail.css-sumisei.com has css-sumisei.com as its parent.

Name Servers

Two name servers asns1.customer.ne.jp and asns2.customer.ne.jp are delegated to css-sumisei.com.

css-sumisei.com uses the same name server configuration as other domains, such as e-ajc.jp, artra-s.com, v1001-018.mailsecure.jp, v1201-045.mailsecure.jp and 0-28.79.219.218.in-addr.arpa.

css-sumisei.com shares some name servers with other domains, for example l-ts.jp.

Host names with a single IP address:

asns1.customer.ne.jp points to 210.150.254.86

asns2.customer.ne.jp points to 210.150.254.94

Mail Servers

css-sumisei.com is handled by a single mail server, csssumisei-com0i.mail.protection.outlook.com.

csssumisei-com0i.mail.protection.outlook.com resolves to four IPs: 52.101.124.1, 52.101.157.10, 52.101.157.11 and 52.101.157.40.

css-sumisei.com - robtex.com

css-sumisei.com

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