`isensei.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8d72^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1b33^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.51^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.114^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`nola.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nola.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nola.ns.cloudflare.com`
		A	108.162.192.212^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	172.64.32.212^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
		A	173.245.58.212^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nola.ns.cloudflare.com`
MX	`mail19.heteml.jp` ⭐
		A	157.7.189.15^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mail-proxy.heteml.jp`
TXT	`v=spf1 include:_spf.heteml.jp ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.51, 172.67.141.114
		IPv6 hints	2606:4700:3031::ac43:8d72, 2606:4700:3035::6815:1b33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2401460419

`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=1776964502

Subdomains

www.isensei.jp

Same first word

isensei.jp

Similar names

siensie.net

DNS History

11 records (7 active, 4 former)

●NSdarl.ns.cloudflare.com2018-12-21 → 2026-04-23 · 2 obs

● 2018-12-21 03:45:18
● 2026-04-23 17:42:50

●NSnola.ns.cloudflare.com2018-12-21 → 2026-04-23 · 2 obs

● 2018-12-21 03:45:18
● 2026-04-23 17:42:50

●MXmail19.heteml.jp2018-12-21 → 2026-04-23 · 2 obs

● 2018-12-21 03:45:18
● 2026-04-23 17:42:50

●A104.21.27.512026-02-23 → 2026-04-23 · 3 obs

○ 2018-12-21 03:45:18
● 2026-02-23 10:45:36
● 2026-04-23 17:42:50

○A104.31.78.622018-12-21 → 2018-12-21 · 3 obs

● 2018-12-21 03:45:18
○ 2026-02-23 10:45:36
○ 2026-04-23 17:42:50

○A104.31.79.622018-12-21 → 2018-12-21 · 3 obs

● 2018-12-21 03:45:18
○ 2026-02-23 10:45:36
○ 2026-04-23 17:42:50

●A172.67.141.1142026-02-23 → 2026-04-23 · 3 obs

○ 2018-12-21 03:45:18
● 2026-02-23 10:45:36
● 2026-04-23 17:42:50

○A2606:4700:30::681f:4e3e2018-12-21 → 2018-12-21 · 3 obs

● 2018-12-21 03:45:18
○ 2026-02-23 10:45:36
○ 2026-04-23 17:42:50

○A2606:4700:30::681f:4f3e2018-12-21 → 2018-12-21 · 3 obs

● 2018-12-21 03:45:18
○ 2026-02-23 10:45:36
○ 2026-04-23 17:42:50

●A2606:4700:3031::ac43:8d722026-02-23 → 2026-04-23 · 3 obs

○ 2018-12-21 03:45:18
● 2026-02-23 10:45:36
● 2026-04-23 17:42:50

●A2606:4700:3035::6815:1b332026-02-23 → 2026-04-23 · 3 obs

○ 2018-12-21 03:45:18
● 2026-02-23 10:45:36
● 2026-04-23 17:42:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	d.dns.jp, f.dns.jp, b.dns.jp, g.dns.jp...	-
isensei.jp	darl.ns.cloudflare.com, nola.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.98

NS records: darl.ns.cloudflare.com, nola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isensei.jp (unsigned zone)

⏱️ Timing

Total: 627ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.51, 172.67.141.114`
AAAA	2	`2606:4700:3031::ac43:8d72, 2606:4700:3035::6815:1b33`
NS	2	`darl.ns.cloudflare.com, nola.ns.cloudflare.com`
MX	1	`mail19.heteml.jp (pri: 1)`
TXT	1	`v=spf1 include:_spf.heteml.jp ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The parent of www.isensei.jp is isensei.jp.

IP Addresses

isensei.jp resolves to four IP numbers: 2606:4700:3031::ac43:8d72, 2606:4700:3035::6815:1b33, 104.21.27.51 and 172.67.141.114.

Other host names such as zambiahub.digital, tri-stateroofingsystems.com, taburit.co.il, buzz.ai and idyllianstudio.click share IPs with isensei.jp.

Name Servers

isensei.jp is delegated to two name servers: darl.ns.cloudflare.com and nola.ns.cloudflare.com.

isensei.jp shares the same name server setup as ntn.com.cn, future-strings.com, memoecho.com, womacademy.cl and enmote.com.

isensei.jp at least partially shares name servers with other domains, for instance diakov.org, menufiyatlar.com, maxmartghana.com, guchi.com.tw and dedovoiceinstitute.com.

These name servers are commonly used with rosa.ns.cloudflare.com and hayes.ns.cloudflare.com.

Host names with six IP numbers:

darl.ns.cloudflare.com points to 2606:4700:58::adf5:3b62, 2803:f800:50::6ca2:c162, 2a06:98c1:50::ac40:2162, 108.162.193.98, 172.64.33.98 and 173.245.59.98.

nola.ns.cloudflare.com points to 2606:4700:50::adf5:3ad4, 2803:f800:50::6ca2:c0d4, 2a06:98c1:50::ac40:20d4, 108.162.192.212, 172.64.32.212 and 173.245.58.212.

Mail Servers

isensei.jp is handled by a single mail server, mail19.heteml.jp.

The mail server setup for isensei.jp matches that of other domains, for instance define-hd.com, cold-t.jp, hondalab.net, studio-fellow.org and e-ra.net.

isensei.jp shares some mail servers with other domains, for instance kyoto-kashiisyo.jp, yoko-g.com and roberu.com.

these mail servers are commonly used together with dmail.kagoya.net.

mail19.heteml.jp points to a single IP: 157.7.189.15.

isensei.jp - robtex.com

isensei.jp

jp

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`isensei.jp`

`jp`