🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackcheck.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:371e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:aa56^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.30^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.86^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`johnathan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c2c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`johnathan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`johnathan.ns.cloudflare.com`
		A	108.162.195.44^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	162.159.44.44^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
		A	172.64.35.44^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnathan.ns.cloudflare.com`
NS	`rose.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rose.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rose.ns.cloudflare.com`
		A	108.162.192.141^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	172.64.32.141^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	173.245.58.141^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁴⁸⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽¹⁰⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=KVCA690ofbBMJnXtGwqsDSdyM7opLzRu8VGKy2GylU8`
TXT	`hosting-site=stack-check`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.30, 172.67.170.86
		IPv6 hints	2606:4700:3032::6815:371e, 2606:4700:3033::ac43:aa56
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`johnathan.ns.cloudflare.com`dns@cloudflare.com serial=2412867776

`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=1789417802

Same first word

stackcheck.jp

stackcheck.so

stackcheck.workers.dev

Similar names

checkstack.ai

checkstack.io

checkstack.space

checkstack.dev

checkstack.co

checkstack.app

checkstack.de

Previous names

stabo.jp

stabon.jp

stac.jp

staca.jp

stacc.jp

staccato.jp

staccel.jp

stacchi.jp

stachanet.jp

stacia.jp

stacio.jp

stacion.jp

stack-mon.jp

stack-preview.jp

stack-up.jp

stack-web.jp

stack.jp

stackasterisk.jp

Next names

DNS History

13 records (9 active, 4 former)

●NSjohnathan.ns.cloudflare.com2026-08-31 → 2026-09-14 · 2 obs

● 2026-08-31 15:35:20
● 2026-09-14 21:02:22

●NSrose.ns.cloudflare.com2026-08-31 → 2026-09-14 · 2 obs

● 2026-08-31 15:35:20
● 2026-09-14 21:02:22

●MXroute1.mx.cloudflare.net2026-08-31 → 2026-09-14 · 2 obs

● 2026-08-31 15:35:20
● 2026-09-14 21:02:22

●MXroute2.mx.cloudflare.net2026-08-31 → 2026-09-14 · 2 obs

● 2026-08-31 15:35:20
● 2026-09-14 21:02:22

●MXroute3.mx.cloudflare.net2026-08-31 → 2026-09-14 · 2 obs

● 2026-08-31 15:35:20
● 2026-09-14 21:02:22

●A104.21.55.302026-09-09 → 2026-09-14 · 3 obs

○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
● 2026-09-14 21:02:22

●A172.67.170.862026-09-09 → 2026-09-14 · 3 obs

○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
● 2026-09-14 21:02:22

○A188.114.96.02026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○ 2026-09-14 21:02:22

○A188.114.97.02026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○ 2026-09-14 21:02:22

●A2606:4700:3032::6815:371e2026-09-09 → 2026-09-14 · 3 obs

○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
● 2026-09-14 21:02:22

●A2606:4700:3033::ac43:aa562026-09-09 → 2026-09-14 · 3 obs

○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
● 2026-09-14 21:02:22

○A2a06:98c1:3120::2026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○ 2026-09-14 21:02:22

○A2a06:98c1:3121::2026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○ 2026-09-14 21:02:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, c.dns.jp, a.dns.jp, b.dns.jp...	-
stackcheck.jp	rose.ns.cloudflare.com, johnathan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.44

NS records: rose.ns.cloudflare.com, johnathan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackcheck.jp (unsigned zone)

⏱️ Timing

Total: 1063ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.86, 104.21.55.30`
AAAA	2	`2606:4700:3033::ac43:aa56, 2606:4700:3032::6815:371e`
NS	2	`johnathan.ns.cloudflare.com, rose.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 100), route1.mx.cloudflare.net (pri: 45)...`
TXT	3	`google-site-verification=KVCA690ofbBMJnX, hosting-site=stack-check...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`johnathan.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

stackcheck.jp directs to four IP numbers, which are 104.21.55.30, 172.67.170.86, 2606:4700:3032::6815:371e and 2606:4700:3033::ac43:aa56.

mentorinmoed.nl, bierflug.eu, jfshebao.cn plus two other host names have IP numbers in common with stackcheck.jp.

Name Servers

stackcheck.jp is delegated to two name servers: johnathan.ns.cloudflare.com and rose.ns.cloudflare.com.

The name server configuration of stackcheck.jp is shared with other domains, for instance rifigprefa.pro, omi77.pages.dev, efsouzalima.dev and two others.

At least some of stackcheck.jp's name servers are shared with other domains, for example quormorvik.com, thedivedesign.com, bet252-03.com and two more.

These name servers tend to be used in conjunction with the name servers kirk.ns.cloudflare.com.

Hosts with 6 IP addresses each:

johnathan.ns.cloudflare.com resolves to 108.162.195.44, 162.159.44.44, 172.64.35.44 and 3 other IP addresses.

rose.ns.cloudflare.com resolves to 108.162.192.141, 172.64.32.141, 173.245.58.141 and 3 other IP addresses.

Mail Servers

The MX records for stackcheck.jp list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by stackcheck.jp are shared with other domains: spiceroutebusiness.com, 1pharmaceuticals.com, nocp.space and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

stackcheck.jp - robtex.com

stackcheck.jp

jp

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`stackcheck.jp`

`jp`