🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cssf.jp`

DNSSEC	⚠️ Not signed
A	85.131.221.12^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
TXT	`google-site-verification=J02POAFFI5kC4cNTJxqDL2ba-so6U3AcFUZ-jxDQmkY`
TXT	`v=spf1 +a:sv17051.xserver.jp +a:cssf.jp +mx include:spf.sender.xserver.jp ~all`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1791362702

Same first word

cssf.de

cssf.or.kr

cssf.cc

cssf.org

cssf.global

cssf.fj.cn

cssf.name

cssf.it

cssf.net

cssf.com.br

cssf.js.cn

cssf.cz

cssf.net.cn

cssf.xyz

cssf.shop

cssf.se

cssf.ah.cn

cssf.jx.cn

cssf.com

cssf.pages.dev

cssf.ac.cn

cssf.info

cssf.online

cssf.llc

cssf.zj.cn

cssf.com.ph

cssf.cn

cssf.finance

cssf.lu

cssf.pt

cssf.tax

cssf.ph

cssf.com.au

cssf.world

cssf.cl

cssf.ch

cssf.in

cssf.com.cn

cssf.co.uk

cssf.jp

cssf.fr

Similar names

fscs.net

cfss.cc

cfss.org

fcss.ph

fscs.su

csfs.name

scfs.pl

sfsc.net.cn

fssc.co.in

ssfc.com.cn

sscf.fi

fscs.io

fcss.au

sfcs.or.kr

scsf.cl

ssfc.ac.uk

fcss.us

sfsc.ch

fscs.cz

sfsc.co

cfss.com

fscs.fund

ssfc.football

fscs.pk

fcss.in

scfs.co.uk

sfcs.in

ssfc.eu

fssc.ch

cfss.ca

sfcs.jp.net

fscs.com.au

fscs.com.sg

fscs.xyz

scsf.com.au

cfss.ph

fcss.org.uk

fcss.ru

fcss.jp

fcss.ir

sfsc.app

fssc.com.tr

fcss.xyz

cfss.ru

fssc.ca

ssfc.net.cn

fscs.co.in

scsf.jp

fscs.org.ph

scsf.live

sfsc.top

cfss.pl

csfs.sr

scsf.de

sfcs.org.cn

fscs.uk.com

fscs.financial

csfs.co

fcss.legal

csfs.aero

fscs.co.uk

sscf.com

sfsc.or.jp

fcss.shop

fcss.ca

fssc.cn

ssfc.com

scfs.com

fscs.london

sscf.org.cn

sfsc.om

sfcs.org.sg

sscf.workers.dev

fcss.org.pk

ssfc.ltd

sfcs.ae

fscs.ph

sscf.com.gt

sscf.ca

sfsc.net

sfcs.us

scsf.site

cfss.de

cfss.ch

cfss.careers

sfcs.company

fssc.edu.ph

fscs.org

sfsc.fr

ssfc.jp

fssc.gov.cn

fcss.dk

fcss.link

sfsc.com.tw

csfs.info

cfss.pages.dev

sfsc.co.uk

cfss.org.nz

scfs.us

cfss.domains

csfs.ca

Previous names

css-corp.jp

css-eng.jp

css-hip.jp

css-holdings.jp

css-i.jp

css-inc.jp

css-ltd.jp

css-net.jp

css-sp.jp

css1.jp

css2.jp

css2014.jp

css24.jp

css3.jp

cssbus.jp

cssc.jp

csschool.jp

cssdc.jp

cssdesign.jp

Next names

cssg-job.jp

csshopjapan.jp

cssi.jp

cssj.jp

cssmirai.jp

cssnite-kobe.jp

cssnite-okayama.jp

cssnite-sapporo.jp

cssnite-shizuoka.jp

cssnite.jp

cssoft.jp

csss.jp

csst.jp

csstm.jp

csstore.jp

csstudio.jp

cssugar2.jp

cssv.jp

cssweb.jp

cst.jp

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●NSns2.xserver.jp2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●NSns3.xserver.jp2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●NSns4.xserver.jp2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●NSns5.xserver.jp2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●MXsmtp.google.com2026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

●A85.131.221.122026-09-06 → 2026-10-07 · 2 obs

● 2026-09-06 20:03:50
● 2026-10-07 09:13:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, e.dns.jp, c.dns.jp, g.dns.jp...	-
cssf.jp	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	11 records

✅ Authoritative Response

Server:157.112.182.218

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cssf.jp (unsigned zone)

⏱️ Timing

Total: 1180ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.221.12`
NS	5	`ns3.xserver.jp, ns2.xserver.jp...`
MX	1	`SMTP.GOOGLE.COM (pri: 1)`
TXT	2	`v=spf1 +a:sv17051.xserver.jp +a:cssf.jp , google-site-verification=J02POAFFI5kC4cN`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

IP Addresses

cssf.jp resolves to just one IP address, 85.131.221.12.

Two other host names, along with teotsunagu.com, elementaryneurology.com and cfone.jp, also share IP numbers with cssf.jp.

Name Servers

cssf.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

cssf.jp shares at least some of its name servers with other domains, including tokyo-misen-clinic.com, photokozaka.com, wanaro.blog and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

The hostname ns2.xserver.jp resolves to 35.72.43.26.

The hostname ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

The sole mail server for cssf.jp is smtp.google.com.

Among the domains sharing a mail server setup with cssf.jp are rumbau.org, superxavierstudio.com, jakebrakesrecords.com and two others.

There is at least a partial MX overlap between cssf.jp and other domains, including hartfrdcaptl.info, realjobsconsultingservices.com, jenstrunk.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.250.31.26, 142.250.31.27, 142.251.111.26 and 6 others.

cssf.jp - robtex.com

cssf.jp

jp

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cssf.jp`

`jp`