`web-c-one.com`

DNSSEC	⚠️ Not signed
A	114.17.21.142^{🇯🇵 KDDI114.17.0.0/16}
		PTR	`dns14.n-server.com`
NS	`ns.web-c-one.com` ⭐ ⚠️ Not in parent delegation
		A	114.17.21.142^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns14.n-server.com`
NS	`dns136.n-server.com` ⚠️ Not in zone NS records
		A	114.17.21.136^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns136.n-server.com`
NS	`dns14.n-server.com` ⚠️ Not in zone NS records
		A	114.17.21.142^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns14.n-server.com`
MX	`mail.web-c-one.com` ⭐
		A	114.17.21.142^{🇯🇵 KDDI114.17.0.0/16}
			PTR	`dns14.n-server.com`
TXT	`v=spf1 +a +mx -all`
SOA	`ns.web-c-one.com`plesk@purenic.jp 2025-10-01 #2

`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=1774542387

Subdomains

mail.web-c-one.com

ns.web-c-one.com

Same first word

web-c-one.com

DNS History

6 records (5 active, 1 former)

●NSdns136.n-server.com2026-03-20 → 2026-03-26 · 3 obs

○ 2015-09-03 14:10:54
● 2026-03-20 17:20:20
● 2026-03-26 16:30:00

●NSdns14.n-server.com2026-03-20 → 2026-03-26 · 3 obs

○ 2015-09-03 14:10:54
● 2026-03-20 17:20:20
● 2026-03-26 16:30:00

●NSns.web-c-one.com2015-09-03 → 2026-03-26 · 2 obs

● 2015-09-03 14:10:54
● 2026-03-26 16:30:00

●MXmail.web-c-one.com2015-09-03 → 2026-03-26 · 2 obs

● 2015-09-03 14:10:54
● 2026-03-26 16:30:00

○A106.186.69.112015-09-03 → 2018-08-04 · 4 obs

● 2015-09-03 14:10:54
● 2018-08-04 21:26:22
○ 2026-03-20 17:20:20
○ 2026-03-26 16:30:00

●A114.17.21.1422026-03-20 → 2026-03-26 · 3 obs

○ 2018-08-04 21:26:22
● 2026-03-20 17:20:20
● 2026-03-26 16:30:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
web-c-one.com	dns14.n-server.com, dns136.n-server.com	2 records

✅ Authoritative Response

Server:114.17.21.136

NS records: dns14.n-server.com, dns136.n-server.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for web-c-one.com (unsigned zone)

⏱️ Timing

Total: 442ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`114.17.21.142`
NS	1	`ns.web-c-one.com`
MX	1	`mail.web-c-one.com (pri: 10)`
TXT	1	`v=spf1 +a +mx -all`
SOA	1	`ns.web-c-one.com plesk.purenic.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns14.n-server.com, dns136.n-server.com)

Analysis

Hierarchy

web-c-one.com is a parent of mail.web-c-one.com and ns.web-c-one.com.

IP Addresses

web-c-one.com points to a single IP number: 114.17.21.142.

Other host names, for instance mail.kashimabo-sai.co.jp, ns2.j-style77.com, ns.yamawa1970.co.jp, mail.kano-fu.com and ns1.e-life01.com share IP numbers with web-c-one.com.

Name Servers

The domain web-c-one.com is delegated to three name servers: dns136.n-server.com, dns14.n-server.com and ns.web-c-one.com.

web-c-one.com shares name servers with other domains at least partially, for instance mart-design.co.jp, eglife.jp, tanpopo-t.com, dream-01.com and manhiro.com.

these name servers are commonly used with the name servers dns12.n-server.com, dns10.n-server.com, dns19.n-server.com, dns5.n-server.com, dns20.n-server.com, dns7.n-server.com, dns16.n-server.com, p03ns11.puretopure.jp, dns15.n-server.com and dns3.n-server.com.

Hostnames with a single IP:

dns136.n-server.com points to 114.17.21.136

dns14.n-server.com points to 114.17.21.142

ns.web-c-one.com points to 114.17.21.142

Hostnames resolving to 114.17.21.142: dns14.n-server.com and ns.web-c-one.com

Mail Servers

The mail server for web-c-one.com is mail.web-c-one.com.

Host name mail.web-c-one.com resolves to IP 114.17.21.142.

web-c-one.com - robtex.com

web-c-one.com

com