`nkcnet.jp`

DNSSEC	⚠️ Not signed
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.nkcnet.co.jp` ⭐
		A	40.74.73.72^{🇯🇵 Microsoft40.74.0.0/15}
			PTR	`mx1.nkcnet.co.jp`
MX	`mx2.nkcnet.co.jp` ⭐
		A	104.214.147.128^{🇯🇵 Microsoft104.208.0.0/13 MICROSOFT}
			PTR	`mx2.nkcnet.co.jp`
TXT	`v=spf1 +ip4:40.74.73.72 +ip4:104.214.147.128 ~all`
SOA	`ns1.value-domain.com`hostmaster@nkcnet.jp 2026-03-12 #13

`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=1774591203

Subdomains

mx1.nkcnet.jp

Same first word

nkcnet.jp

nkcnet.co.jp

Similar names

kncent.com

cnknet.com

nktnce.ac.in

knnect.com

cnknet.pl

cnknet.cn

DNS History

10 records (6 active, 4 former)

○NSd2.nkcnet.jp2015-08-06 → 2015-11-28 · 4 obs

● 2015-08-06 23:41:56
● 2015-11-28 12:31:14
○ 2016-07-02 07:50:24
○ 2026-03-27 06:22:28

●NSns1.value-domain.com2016-07-02 → 2026-03-27 · 3 obs

○ 2015-11-28 12:31:14
● 2016-07-02 07:50:24
● 2026-03-27 06:22:28

●NSns2.value-domain.com2016-07-02 → 2026-03-27 · 3 obs

○ 2015-11-28 12:31:14
● 2016-07-02 07:50:24
● 2026-03-27 06:22:28

●NSns3.value-domain.com2026-03-27 → 2026-03-27 · 3 obs

○ 2016-07-02 07:50:24
● 2026-03-27 06:22:26
● 2026-03-27 06:22:28

●NSns4.value-domain.com2026-03-27 → 2026-03-27 · 3 obs

○ 2016-07-02 07:50:24
● 2026-03-27 06:22:26
● 2026-03-27 06:22:28

○MXmx.nkcnet.co.jp2026-03-27 → 2026-03-27 · 2 obs

○ 2026-03-27 06:22:26
○ 2026-03-27 06:22:28

●MXmx1.nkcnet.co.jp2015-08-06 → 2026-03-27 · 6 obs

● 2015-08-06 23:41:56
● 2015-11-28 12:31:14
○ 2016-07-02 07:50:24
○ 2017-03-16 02:39:12
● 2026-03-27 06:22:26
● 2026-03-27 06:22:28

○MXmx1.nkcnet.jp2016-07-02 → 2017-03-16 · 5 obs

○ 2015-11-28 12:31:14
● 2016-07-02 07:50:24
● 2017-03-16 02:39:12
○ 2026-03-27 06:22:26
○ 2026-03-27 06:22:28

●MXmx2.nkcnet.co.jp2015-08-06 → 2026-03-27 · 6 obs

● 2015-08-06 23:41:56
● 2015-11-28 12:31:14
○ 2016-07-02 07:50:24
○ 2017-03-16 02:39:12
● 2026-03-27 06:22:26
● 2026-03-27 06:22:28

○MXmx2.nkcnet.jp2016-07-02 → 2017-03-16 · 5 obs

○ 2015-11-28 12:31:14
● 2016-07-02 07:50:24
● 2017-03-16 02:39:12
○ 2026-03-27 06:22:26
○ 2026-03-27 06:22:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
nkcnet.jp	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com	-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nkcnet.jp (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.value-domain.com, ns2.value-domain.com`
MX	2	`mx2.nkcnet.co.jp (pri: 10), mx1.nkcnet.co.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:40.74.73.72 +ip4:104.214.147`
SOA	1	`ns1.value-domain.com hostmaster.nkcnet.j`

Analysis

Hierarchy

nkcnet.jp is the parent of mx1.nkcnet.jp.

Name Servers

nkcnet.jp is delegated to four name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and ns4.value-domain.com.

nkcnet.jp shares some name servers with other domains, for example 364.us, kanbukuya.com, km-half.com, yamamoworks.net and ecord.co.jp.

These name servers are commonly used alongside ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IP numbers:

ns1.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

ns3.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

ns4.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

Host names that point to 172.64.52.38: ns1.value-domain.com and ns3.value-domain.com.

Host names that point to 172.64.52.161: ns1.value-domain.com and ns3.value-domain.com.

Host names that point to 172.64.53.3: ns2.value-domain.com and ns4.value-domain.com.

Host names that point to 172.64.53.115: ns2.value-domain.com and ns4.value-domain.com.

Mail Servers

nkcnet.jp is served by two mail servers: mx1.nkcnet.co.jp and mx2.nkcnet.co.jp.

Host names with a single IP:

mx1.nkcnet.co.jp points to 40.74.73.72

mx2.nkcnet.co.jp points to 104.214.147.128

nkcnet.jp - robtex.com

nkcnet.jp

jp