cfnets.com - dns.ninja

`cfnets.com`

DNSSEC	⚠️ Not signed
A	153.120.114.189^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`189.114.120.153.static.www7661m.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	`cfnets.com` ⭐
		A	153.120.114.189^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`189.114.120.153.static.www7661m.sakura.ne.jp`
TXT	`v=spf1 ip4:153.120.114.61 a:cfnets.sakura.ne.jp a:www7661m.sakura.ne.jp a:cfn...`
TXT	`google-site-verification=blqcpg-wRPRTcS7AhwZ0jPMU3ikTPy5Z3hZiF2Gl4Bw`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-04-30 #1

`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=1782685110

🔒 HSTS Preload (+subdomains)

MX for

cfnets.com

Same first word

cfnets.co.jp

cfnets.com

cfnets.sakura.ne.jp

Similar names

fcsnet.com.br

festcn.com

cfents.com

centfs.com

netfcs.com

fcsnet.de

fscnet.vn

fcsnet.net

cfsent.com

cfsnet.com

cfsnet.co.uk

nestcf.com.cn

fscent.com

scfnet.co.uk

ncfest.com

cnsetf.com

fscnet.net

cnsfet.com

fscnet.com.ar

sfcent.com

fcnest.com

scfnet.com

sfcnet.info

nfstec.com

nestfc.com.au

csfnet.com

fcsnet.com

nfcset.com

netscf.com

csfnet.com.ar

fscnet.co.jp

DNS History

11 records (5 active, 6 former)

○NS2nd.dnsv.jp2015-08-26 → 2015-08-26 · 4 obs

○ 2008-03-14 01:43:14
● 2015-08-26 19:40:00
○ 2015-12-17 00:19:00
○ 2026-06-28 22:41:42

●NSmaster.dns.ne.jp2015-12-17 → 2026-06-28 · 3 obs

○ 2015-08-26 19:40:00
● 2015-12-17 00:19:00
● 2026-06-28 22:41:42

●NSns1.dns.ne.jp2015-12-17 → 2026-06-28 · 3 obs

○ 2015-08-26 19:40:00
● 2015-12-17 00:19:00
● 2026-06-28 22:41:42

○NSns1.secure.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 01:43:14
○ 2015-08-26 19:40:00
○ 2026-06-28 22:41:42

○NSns1.wsl.jp2015-08-26 → 2015-08-26 · 4 obs

○ 2008-03-14 01:43:14
● 2015-08-26 19:40:00
○ 2015-12-17 00:19:00
○ 2026-06-28 22:41:42

●NSns2.dns.ne.jp2015-12-17 → 2026-06-28 · 3 obs

○ 2015-08-26 19:40:00
● 2015-12-17 00:19:00
● 2026-06-28 22:41:42

○NSns2.secure.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 01:43:14
○ 2015-08-26 19:40:00
○ 2026-06-28 22:41:42

●MXcfnets.com2008-03-14 → 2026-06-28 · 4 obs

● 2008-03-14 01:43:14
○ 2015-08-26 19:40:00
● 2015-12-17 00:19:00
● 2026-06-28 22:41:42

○A118.152.236.2242015-08-26 → 2015-08-26 · 4 obs

○ 2008-03-14 01:43:14
● 2015-08-26 19:40:00
○ 2015-12-17 00:19:00
○ 2026-06-28 22:41:42

●A153.120.114.1892015-12-17 → 2026-06-28 · 3 obs

○ 2015-08-26 19:40:00
● 2015-12-17 00:19:00
● 2026-06-28 22:41:42

○A222.146.7.1022008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 01:43:14
○ 2015-08-26 19:40:00
○ 2026-06-28 22:41:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cfnets.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfnets.com (unsigned zone)

⏱️ Timing

Total: 1303ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.120.114.189`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`cfnets.com (pri: 10)`
TXT	2	`v=spf1 ip4:153.120.114.61 a:cfnets.sakur, google-site-verification=blqcpg-wRPRTcS7`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

cfnets.com serves as a mail server for cfnets.com.

IP Addresses

cfnets.com has exactly one IP address — 153.120.114.189.

aoken-cf.jp, 189.114.120.153.static.www7661m.sakura.ne.jp, toyama.cfnets.co.jp plus two other host names have IP numbers in common with cfnets.com.

Name Servers

Three name servers are authoritative for cfnets.com: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of cfnets.com's name servers are shared with other domains, for example atb.jp, aozora-dc.com, nakweb01.sakura.ne.jp and two more.

These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.

Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

cfnets.com uses exactly one mail server, which is cfnets.com.

There is one IP number for cfnets.com: 153.120.114.189.