studychain.jp - robtex.com

studychain.jp

DNSSEC⚠️ Not signed
A2606:4700:20::681a:4d3🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:5d3🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4913🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.211Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.211Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.73.19🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdexter.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A2803:f800:50::6ca2:c3be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdexter.ns.cloudflare.com
A2a06:98c1:50::ac40:23be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdexter.ns.cloudflare.com
A108.162.195.190🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A162.159.44.190Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
A172.64.35.190🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdexter.ns.cloudflare.com
NSlady.ns.cloudflare.com
A2606:4700:50::adf5:3a7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A2803:f800:50::6ca2:c07f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlady.ns.cloudflare.com
A2a06:98c1:50::ac40:207f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlady.ns.cloudflare.com
A108.162.192.127🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A172.64.32.127🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
A173.245.58.127🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlady.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A2607:f8b0:4023:c0b::1b🇺🇸 Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
A142.250.141.27🇺🇸 Google142.250.141.0/24
PTRdd-in-f27.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
TXTv=spf1 include:_spf.onamae.ne.jp ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.26.4.211, 104.26.5.211, 172.67.73.19
IPv62606:4700:20::681a:4d3, 2606:4700:20::681a:5d3, 2606:4700:20::ac43:4913
SOAdexter.ns.cloudflare.comdns@cloudflare.com serial=2399474944

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=1774606502
rank #344207 globally
rank #5997 in the tld
📈 Tranco rank: #349,915

Same first word

studychain.jp

Similar names

chainstudy.com
chinastudy.eu
chinastudy.uz
chinastudy.com.ua
chinastudy.com
studychina.org
chinastudy.net
studychina.net
chinastudy.it
studychina.org.uk

DNS History

15 records (9 active, 6 former)

NSdexter.ns.cloudflare.comlady.ns.cloudflare.comMXsmtp.google.comA104.26.4.211104.26.5.211172.67.73.192606:4700:20::681a:4d32606:4700:20::681a:5d32606:4700:20::ac43:4913104.21.47.181172.64.80.1172.67.171.2032606:4700:130:436c:6f75:6466:6c61:72652606:4700:3032::ac43:abcb2606:4700:3033::6815:2fb5
●NSdexter.ns.cloudflare.com2026-03-07 → 2026-03-27 · 2 obs
● 2026-03-07 15:59:44
● 2026-03-27 10:23:32
●NSlady.ns.cloudflare.com2026-03-07 → 2026-03-27 · 2 obs
● 2026-03-07 15:59:44
● 2026-03-27 10:23:32
●MXsmtp.google.com2026-03-07 → 2026-03-27 · 2 obs
● 2026-03-07 15:59:44
● 2026-03-27 10:23:32
○A104.21.47.1812026-03-07 → 2026-03-15 · 4 obs
● 2026-03-07 15:59:44
● 2026-03-15 00:23:58
○ 2026-03-19 01:02:16
○ 2026-03-27 10:23:32
●A104.26.4.2112026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
●A104.26.5.2112026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
○A172.64.80.12026-03-19 → 2026-03-19 · 4 obs
○ 2026-03-15 00:23:58
● 2026-03-19 01:02:16
○ 2026-03-27 10:23:30
○ 2026-03-27 10:23:32
○A172.67.171.2032026-03-07 → 2026-03-15 · 4 obs
● 2026-03-07 15:59:44
● 2026-03-15 00:23:58
○ 2026-03-19 01:02:16
○ 2026-03-27 10:23:32
●A172.67.73.192026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-19 → 2026-03-19 · 4 obs
○ 2026-03-15 00:23:58
● 2026-03-19 01:02:16
○ 2026-03-27 10:23:30
○ 2026-03-27 10:23:32
●A2606:4700:20::681a:4d32026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
●A2606:4700:20::681a:5d32026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
●A2606:4700:20::ac43:49132026-03-27 → 2026-03-27 · 3 obs
○ 2026-03-19 01:02:16
● 2026-03-27 10:23:30
● 2026-03-27 10:23:32
○A2606:4700:3032::ac43:abcb2026-03-07 → 2026-03-15 · 4 obs
● 2026-03-07 15:59:44
● 2026-03-15 00:23:58
○ 2026-03-19 01:02:16
○ 2026-03-27 10:23:32
○A2606:4700:3033::6815:2fb52026-03-07 → 2026-03-15 · 4 obs
● 2026-03-07 15:59:44
● 2026-03-15 00:23:58
○ 2026-03-19 01:02:16
○ 2026-03-27 10:23:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
studychain.jplady.ns.cloudflare.com, dexter.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.190

NS records: lady.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studychain.jp (unsigned zone)

⏱️ Timing

Total: 962ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.73.19, 104.26.5.211...
AAAA32606:4700:20::681a:4d3, 2606:4700:20::681a:5d3...
NS2dexter.ns.cloudflare.com, lady.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.onamae.ne.jp ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dexter.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

studychain.jp maps to six IP numbers: 2606:4700:20::681a:4d3, 2606:4700:20::681a:5d3, 2606:4700:20::ac43:4913, 104.26.4.211, 104.26.5.211 and 172.67.73.19.

Other host names such as www.up2step.com, controllingportal.de, mail.chosenfoods.com, static.shuttlerock-cdn.com and rx.isupply.tech share IPs with studychain.jp.

Name Servers

Two name servers dexter.ns.cloudflare.com and lady.ns.cloudflare.com handle the delegation for studychain.jp.

studychain.jp shares the same name server setup as other domains, for example multiweb.cn, rdap.gname.com, taneycorp.com, berlinintim.de and dooneherb.com.

studychain.jp at least partially shares name servers with other domains, for example 8x6i5.xyz, jlbet99.com, flyingdutchessranch.com, visionzone.life and beritaredaksi.com.

these name servers commonly pair with norm.ns.cloudflare.com, grannbo.ns.cloudflare.com, aleena.ns.cloudflare.com and diva.ns.cloudflare.com.

Host names with six IP numbers:

dexter.ns.cloudflare.com points to 2606:4700:58::a29f:2cbe, 2803:f800:50::6ca2:c3be, 2a06:98c1:50::ac40:23be, 108.162.195.190, 162.159.44.190 and 172.64.35.190.

lady.ns.cloudflare.com points to 2606:4700:50::adf5:3a7f, 2803:f800:50::6ca2:c07f, 2a06:98c1:50::ac40:207f, 108.162.192.127, 172.64.32.127 and 173.245.58.127.

Mail Servers

The smtp.google.com mail server handles studychain.jp.

studychain.jp shares the same mail server setup as other domains, including flirt24.it, veana.mx, ielosquindos.edu.co, handswebsite.com and evasivemotorsports.com.

studychain.jp shares at least partially some mail servers with other domains, for instance reaganorchestrarobc.org, nospoon.gr, lupapay.com, ifd.com.tr and immobilien-nordzypern.de.

These mail servers commonly pair with 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.

The host name smtp.google.com maps to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 2607:f8b0:4023:c0d::1b, 142.250.101.27, 142.250.141.26, 142.250.141.27, 142.251.2.26 and 142.251.2.27.