activecore.jp - dns.ninja

`activecore.jp`

DNSSEC	⚠️ Not signed
A	54.248.182.175^{🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix}
		PTR	`ec2-54-248-182-175.ap-northeast-1.compute.amazonaws.com`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mail.activecore.jp` ⭐
		A	150.60.179.253^{🇯🇵 CPI-NET150.60.0.0/16 KDDI Web Communications Inc.}
			PTR	`af139.secure.ne.jp`
TXT	`MS=938CDC37365E345AAEF05BC08957436551C551A8`
TXT	`MS=ms40245962`
TXT	`google-site-verification=YCNvaMCtQ8Cvamo0PDFLwLDsFQMHfdxJyldxhGme_xg`
TXT	`notion-domain-verification=mZshDZwoKobsseYNAA3gYbdMwcJJZ5PxPpyEea89WXx`
TXT	`anthropic-domain-verification-sr54k6=hvGJYPNCVmMCmaxkrEpr38qOU`
TXT	`cursor-domain-verification-7xrswn=gzFYQXBHqy0wsmijjRDIhdTE9`
TXT	`seculio-domain-verification-code=ee394704e34c4b2b138f29661d2153cef2822a20e7c4...`
TXT	`v=spf1 include:spf.c-cast.jp include:spf.am.arara.com include:amazonses.com +...`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1774232533

`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=1785727803

rank #472120 globally
rank #9571 in the tld

Subdomains

www.activecore.jp

insight02.activecore.jp

monitor01.activecore.jp

mail.activecore.jp

Same first word

activecore.jp

activecore.com

activecore.com.my

activecore.org

activecore.co.jp

activecore.de

activecore.com.mx

activecore.info

activecore.co.uk

activecore.in

activecore.us

Similar names

DNS History

9 records (6 active, 3 former)

●NS01.dnsv.jp2026-02-15 → 2026-08-03 · 3 obs

○ 2017-08-15 18:44:28
● 2026-02-15 11:20:16
● 2026-08-03 04:11:58

●NS02.dnsv.jp2026-02-15 → 2026-08-03 · 3 obs

○ 2017-08-15 18:44:28
● 2026-02-15 11:20:16
● 2026-08-03 04:11:58

●NS03.dnsv.jp2026-02-15 → 2026-08-03 · 3 obs

○ 2017-08-15 18:44:28
● 2026-02-15 11:20:16
● 2026-08-03 04:11:58

●NS04.dnsv.jp2026-02-15 → 2026-08-03 · 3 obs

○ 2017-08-15 18:44:28
● 2026-02-15 11:20:16
● 2026-08-03 04:11:58

○NSns6-tk01.ocn.ad.jp2015-07-01 → 2017-08-15 · 4 obs

● 2015-07-01 10:06:36
● 2017-08-15 18:44:28
○ 2026-02-15 11:20:16
○ 2026-08-03 04:11:58

○NSns6-tk02.ocn.ad.jp2015-07-01 → 2017-08-15 · 4 obs

● 2015-07-01 10:06:36
● 2017-08-15 18:44:28
○ 2026-02-15 11:20:16
○ 2026-08-03 04:11:58

●MXmail.activecore.jp2015-07-01 → 2026-08-03 · 2 obs

● 2015-07-01 10:06:36
● 2026-08-03 04:11:58

○A118.22.7.1872015-07-01 → 2017-08-15 · 4 obs

● 2015-07-01 10:06:36
● 2017-08-15 18:44:28
○ 2026-02-15 11:20:16
○ 2026-08-03 04:11:58

●A54.248.182.1752026-02-15 → 2026-08-03 · 3 obs

○ 2017-08-15 18:44:28
● 2026-02-15 11:20:16
● 2026-08-03 04:11:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
activecore.jp	01.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 01.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for activecore.jp (unsigned zone)

⏱️ Timing

Total: 768ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.248.182.175`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail.activecore.jp (pri: 10)`
TXT	8	`MS=938CDC37365E345AAEF05BC08957436551C55, MS=ms40245962...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

www.activecore.jp, insight02.activecore.jp, monitor01.activecore.jp and mail.activecore.jp are all subdomains of activecore.jp.

IP Addresses

activecore.jp resolves to just one IP address, 54.248.182.175.

www.activecore.jp and ec2-54-248-182-175.ap-northeast-1.compute.amazonaws.com are among other host names that share IP numbers with activecore.jp.

Name Servers

The NS records for activecore.jp point to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

The name servers of activecore.jp overlap at least partially with those of other domains — among them cotonekobook.com, kemcokan.net, lisres.net and two more.

Host names that have two IP addresses:

01.dnsv.jp directs traffic to 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp directs traffic to 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp directs traffic to 157.7.35.53 and 2400:8500:3fff::53.

Host names that point to one IP address:

02.dnsv.jp has the IP address 157.7.33.53.

Mail Servers

The sole mail server for activecore.jp is mail.activecore.jp.

mail.activecore.jp directs to just one IP number, 150.60.179.253.