cssf.jp - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cssf.jp`

DNSSEC	⚠️ Not signed
A	85.131.221.12^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv17051.xserver.jp`
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:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	2607:f8b0:4004:c2f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`rz-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	192.179.24.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`rz-in-f27.1e100.net`
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=1788958803

Same first word

cssf.de

cssf.or.kr

cssf.cc

cssf.name

cssf.it

cssf.net

cssf.eu

cssf.cz

cssf.net.cn

cssf.shop

cssf.com

cssf.pages.dev

cssf.info

cssf.online

cssf.llc

cssf.com.ph

cssf.cn

cssf.finance

cssf.lu

cssf.pt

cssf.tax

cssf.ph

cssf.com.au

cssf.world

cssf.cl

cssf.com.cn

cssf.co.uk

cssf.jp

cssf.fr

Similar names

fscs.net

cfss.cc

cfss.org

fcss.ph

csfs.name

scfs.pl

sfsc.net.cn

ssfc.com.cn

sfcs.or.kr

scsf.cl

ssfc.ac.uk

fcss.us

sfsc.ch

sfsc.co

cfss.com

fscs.fund

ssfc.football

fscs.pk

fcss.in

scfs.co.uk

sfcs.in

ssfc.eu

fssc.ch

cfss.ca

fscs.com.au

fscs.com.sg

fscs.xyz

scsf.com.au

cfss.ph

fcss.org.uk

fcss.ru

fcss.jp

fcss.ir

fcss.xyz

cfss.ru

fssc.ca

ssfc.net.cn

fscs.co.in

scsf.jp

fscs.org.ph

sfsc.top

csfs.sr

scsf.de

sfcs.org.cn

fscs.financial

csfs.co

fcss.legal

csfs.aero

fscs.co.uk

sscf.com

fcss.shop

fcss.ca

fssc.cn

ssfc.com

scfs.com

fscs.london

sscf.org.cn

sfcs.org.sg

sscf.workers.dev

fcss.org.pk

sfcs.ae

fscs.ph

sscf.com.gt

sscf.ca

sfsc.net

sfcs.us

cfss.de

cfss.careers

sfcs.company

fscs.org

sfsc.fr

fssc.gov.cn

fcss.dk

csfs.info

cfss.pages.dev

sfsc.co.uk

cfss.org.nz

scfs.us

cfss.domains

csfs.ca

fscs.edu.pk

fcss.biz

scfs.ph

fscs.org.uk

sfsc.cn

sscf.org.uk

sfsc.org.sg

ssfc.xyz

sfcs.co.nz

cfss.edu.hk

fssc.shop

fssc.org

cfss.co

cfss.report

sfcs.com

csfs.com.bs

ssfc.fi

fssc.de

fcss.ws

ssfc.at

fssc.com.ph

scfs.net

Previous names

css-base6.jp

css-biz.jp

css-colors.jp

css-corp.jp

css-hip.jp

css-i.jp

css-inc.jp

css-ltd.jp

css-net.jp

css-sp.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

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

cst-base.jp

cst-cq.jp

cst.jp

DNS History

7 records (7 active, 0 former)

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

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

● 2026-09-06 20:03:50
● 2026-09-09 13:33:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	15 records
cssf.jp	ns1.xserver.jp, ns5.xserver.jp, ns3.xserver.jp, ns2.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.246

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cssf.jp (unsigned zone)

⏱️ Timing

Total: 1024ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.221.12`
NS	5	`ns4.xserver.jp, ns5.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: 26

In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

IP Addresses

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

Two other host names, along with elementaryneurology.com, mail.amazonet.com and hotaru-preview.com, 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 has at least partial name server overlap with other domains, such as tokyo-misen-clinic.com, syakaiiryoukikou.com, shodaiselect.jp and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

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

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

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

Host names that point to one IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 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 trysupportrateout.my.id, 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.

These mail servers tend to be used in combination with the mail servers aspmx.l.google.com and alt1.aspmx.l.google.com.

With 9 IP addresses total, smtp.google.com resolves to 173.194.45.26, 173.194.45.27, 192.178.218.26 and 6 others.