`s-frontier.com`

DNSSEC	⚠️ Not signed
A	153.122.205.8^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
NS	`ns2.namedserver.net` ⭐
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`ns.namedserver.net`
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`mx.s-frontier.com` ⭐
		A	153.122.206.114^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
TXT	`v=spf1 include:_spf.shared-server.net include:_spf.activegate-ss.jp ~all`
SOA	`ns.namedserver.net`root@namedserver.net serial=2698681093

`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=1778795356

Subdomains

mx.s-frontier.com

Same first word

s-frontier.co.jp

s-frontier.com

Similar names

first-reno.com

frontier-s.co.jp

frontier-s.net

fron-tiers.com

frontier-s.jp

frontier-s.sakura.ne.jp

DNS History

6 records (4 active, 2 former)

●NSns.namedserver.net2026-04-18 → 2026-05-14 · 3 obs

○ 2015-11-19 01:22:42
● 2026-04-18 08:01:22
● 2026-05-14 22:15:28

○NSns1.gmointernet.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 19:03:04
○ 2015-11-19 01:22:42
○ 2026-05-14 22:15:28

●NSns2.namedserver.net2026-04-18 → 2026-05-14 · 3 obs

○ 2015-11-19 01:22:42
● 2026-04-18 08:01:22
● 2026-05-14 22:15:28

●MXmx.s-frontier.com2026-04-18 → 2026-05-14 · 2 obs

● 2026-04-18 08:01:22
● 2026-05-14 22:15:28

●A153.122.205.82026-04-18 → 2026-05-14 · 3 obs

○ 2015-07-24 19:03:04
● 2026-04-18 08:01:22
● 2026-05-14 22:15:28

○A210.157.1.1342015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 19:03:04
○ 2026-04-18 08:01:22
○ 2026-05-14 22:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
s-frontier.com	ns.namedserver.net, ns2.namedserver.net	-

✅ Authoritative Response

Server:157.120.112.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for s-frontier.com (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.205.8`
NS	2	`ns.namedserver.net, ns2.namedserver.net`
MX	1	`mx.s-frontier.com (pri: 100)`
TXT	1	`v=spf1 include:_spf.shared-server.net in`
SOA	1	`ns.namedserver.net root.namedserver.net`

Analysis

Hierarchy

s-frontier.com is the parent of mx.s-frontier.com.

IP Addresses

s-frontier.com resolves to a single IP: 153.122.205.8.

Other host names, for instance imtt.co.jp, eri-kawai.com, torito.jp, anmaki.jp and kobutora.co.jp share IP numbers with s-frontier.com.

Name Servers

s-frontier.com has two name servers: ns2.namedserver.net and ns.namedserver.net.

s-frontier.com shares the same name server setup as other domains, for example sub0000529114.hmk-temp.com, ayatori.biz, media-crew.co.jp, sub0000551022.hmk-temp.com and sub0000525865.hmk-temp.com.

Host names with three IP numbers:

ns2.namedserver.net and ns.namedserver.net point to: 157.120.112.212, 157.120.113.212 and 157.120.114.212.

Names pointing to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.

Mail Servers

s-frontier.com is handled by a single mail server, mx.s-frontier.com.

Host name mx.s-frontier.com points to IP 153.122.206.114.

s-frontier.com - robtex.com

s-frontier.com

com