stackcheck.jp - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

stackcheck.jp

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:371e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:aa56🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.30Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.86🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjohnathan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c2c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A2803:f800:50::6ca2:c32c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjohnathan.ns.cloudflare.com
A2a06:98c1:50::ac40:232c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjohnathan.ns.cloudflare.com
A108.162.195.44🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A162.159.44.44Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
A172.64.35.44🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohnathan.ns.cloudflare.com
NSrose.ns.cloudflare.com
A2606:4700:50::adf5:3a8d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A2803:f800:50::6ca2:c08d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrose.ns.cloudflare.com
A2a06:98c1:50::ac40:208d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrose.ns.cloudflare.com
A108.162.192.141🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A172.64.32.141🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
A173.245.58.141🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrose.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute3.mx.cloudflare.net(48)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute2.mx.cloudflare.net(100)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
TXTgoogle-site-verification=KVCA690ofbBMJnXtGwqsDSdyM7opLzRu8VGKy2GylU8
TXThosting-site=stack-check
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.30, 172.67.170.86
IPv6 hints2606:4700:3032::6815:371e, 2606:4700:3033::ac43:aa56
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=189, name=cloudflare-ech.com
SOAjohnathan.ns.cloudflare.comdns@cloudflare.com serial=2412867776

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1788950702

Same first word

stackcheck.jp
stackcheck.workers.dev

Similar names

checkstack.ai
checkstack.io
checkstack.dev
checkstack.co
checkstack.app

Previous names

stablewallet.jp
stablo.jp
stabo.jp
stabon.jp
stac.jp
staca.jp
stacc.jp
staccato.jp
staccel.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

stackcorporation.jp
stackdesign.jp
stacker.jp
stackg.jp
stacklit.jp
stacklive.jp
stackonline.jp
stackpicks.jp
stacksystem.jp
stacktrace.jp
stackup.jp
stacky.jp
stacolle.jp
stacom.jp
stacommu.jp
stacstar.jp
stad-adon.jp
stad-gakusyu.jp
stad.jp

DNS History

13 records (9 active, 4 former)

NSjohnathan.ns.cloudflare.comrose.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.55.30172.67.170.862606:4700:3032::6815:371e2606:4700:3033::ac43:aa56188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSjohnathan.ns.cloudflare.com2026-08-31 → 2026-09-09 · 2 obs
● 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●NSrose.ns.cloudflare.com2026-08-31 → 2026-09-09 · 2 obs
● 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●MXroute1.mx.cloudflare.net2026-08-31 → 2026-09-09 · 2 obs
● 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●MXroute2.mx.cloudflare.net2026-08-31 → 2026-09-09 · 2 obs
● 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●MXroute3.mx.cloudflare.net2026-08-31 → 2026-09-09 · 2 obs
● 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●A104.21.55.302026-09-09 → 2026-09-09 · 2 obs
○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●A172.67.170.862026-09-09 → 2026-09-09 · 2 obs
○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
○A188.114.96.02026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○A188.114.97.02026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
●A2606:4700:3032::6815:371e2026-09-09 → 2026-09-09 · 2 obs
○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
●A2606:4700:3033::ac43:aa562026-09-09 → 2026-09-09 · 2 obs
○ 2026-08-31 15:35:20
● 2026-09-09 11:58:52
○A2a06:98c1:3120::2026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52
○A2a06:98c1:3121::2026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 15:35:20
○ 2026-09-09 11:58:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, a.dns.jp, d.dns.jp, f.dns.jp...-
stackcheck.jprose.ns.cloudflare.com, johnathan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.44

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: 982ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.55.30, 172.67.170.86
AAAA22606:4700:3033::ac43:aa56, 2606:4700:3032::6815:371e
NS2johnathan.ns.cloudflare.com, rose.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 100), route1.mx.cloudflare.net (pri: 45)...
TXT3google-site-verification=KVCA690ofbBMJnX, hosting-site=stack-check...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1johnathan.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

stackcheck.jp points to the four IP addresses 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 has two authoritative 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.

There is at least partial name server overlap between stackcheck.jp and other domains — quormorvik.com, thedivedesign.com, bet252-03.com and two more among them.

These name servers are routinely deployed together with the name servers kirk.ns.cloudflare.com.

Hosts with 6 IP addresses each:

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

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

Mail Servers

Incoming mail for stackcheck.jp is delivered via 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: nocp.space, hysteria.work, byzhanglei.com and two others among them.

Hosts with 6 IP addresses each:

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

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

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