`korekoko.jp`

DNSSEC	⚠️ Not signed
A	52.199.17.111^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}
		PTR	`ec2-52-199-17-111.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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c70::1b^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f27.1e100.net`
		A	192.178.209.27^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f27.1e100.net`
TXT	`facebook-domain-verification=34p8qkjb7alzxzuot7xmi3sz58qjp8`
TXT	`google-site-verification=c_LcpetCkvbdgvywDBXBnK1j5XgcQP5OvMnPRwOLo4s`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1755817281

`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=1777260602

Same first word

korekoko.jp

DNS History

10 records (10 active, 0 former)

●NS01.dnsv.jp2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●NS02.dnsv.jp2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●NS03.dnsv.jp2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●NS04.dnsv.jp2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●MXalt1.aspmx.l.google.com2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●MXalt2.aspmx.l.google.com2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●MXalt3.aspmx.l.google.com2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●MXalt4.aspmx.l.google.com2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●MXaspmx.l.google.com2026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

●A52.199.17.1112026-04-20 → 2026-04-27 · 2 obs

● 2026-04-20 07:03:54
● 2026-04-27 03:45:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, h.dns.jp, d.dns.jp, b.dns.jp...	-
korekoko.jp	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for korekoko.jp (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.199.17.111`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...`
TXT	3	`facebook-domain-verification=34p8qkjb7al, google-site-verification=c_LcpetCkvbdgvy...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

IP Addresses

korekoko.jp points to a single IP number: 52.199.17.111.

Name Servers

korekoko.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

korekoko.jp at least partially shares name servers with other domains, for instance kikakusyo.net, 1413.tokyo, efficient.co.jp, osamura.co.jp and inkaku.com.

Host names with two IPs:

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

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

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

Host names with one IP:

02.dnsv.jp points to: 157.7.33.53.

Mail Servers

korekoko.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

korekoko.jp shares mail servers with other domains at least in part, for instance solaeva.com, smetterstoolbox.com, wmb.design, mw-lawyers.com and leartwork.com.