studypc.net - robtex.com

studypc.net

DNSSEC⚠️ Not signed
A133.125.148.11🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRik10003.mixhost.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail73.conoha.ne.jp ⭐
A118.27.122.178🇯🇵 GMO-INTERNET118.27.122.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmail73.conoha.ne.jp
MXaspmx.l.google.com(1)
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
SOA01.dnsv.jphostmaster@dnsv.jp serial=1754545044

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291465
rank #471351 globally
rank #14560 in the tld

Same first word

studypc.net
studypc.blogspot.com

Similar names

pcstudy.cn
pcstudy.in

DNS History

16 records (11 active, 5 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns-1054.awsdns-03.orgns-1969.awsdns-54.co.ukns-211.awsdns-26.comns-890.awsdns-47.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commail73.conoha.ne.jpA133.125.148.1152.68.98.42
●NS01.dnsv.jp2026-02-20 → 2026-03-10 · 3 obs
○ 2016-07-10 08:23:52
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●NS02.dnsv.jp2026-02-20 → 2026-03-10 · 3 obs
○ 2016-07-10 08:23:52
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●NS03.dnsv.jp2026-02-20 → 2026-03-10 · 3 obs
○ 2016-07-10 08:23:52
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●NS04.dnsv.jp2026-02-20 → 2026-03-10 · 3 obs
○ 2016-07-10 08:23:52
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
○NSns-1054.awsdns-03.org2015-08-19 → 2016-07-10 · 4 obs
● 2015-08-19 11:06:54
● 2016-07-10 08:23:52
○ 2026-02-20 19:25:52
○ 2026-03-10 10:42:34
○NSns-1969.awsdns-54.co.uk2015-08-19 → 2016-07-10 · 4 obs
● 2015-08-19 11:06:54
● 2016-07-10 08:23:52
○ 2026-02-20 19:25:52
○ 2026-03-10 10:42:34
○NSns-211.awsdns-26.com2015-08-19 → 2016-07-10 · 4 obs
● 2015-08-19 11:06:54
● 2016-07-10 08:23:52
○ 2026-02-20 19:25:52
○ 2026-03-10 10:42:34
○NSns-890.awsdns-47.net2015-08-19 → 2016-07-10 · 4 obs
● 2015-08-19 11:06:54
● 2016-07-10 08:23:52
○ 2026-02-20 19:25:52
○ 2026-03-10 10:42:34
●MXalt1.aspmx.l.google.com2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●MXalt2.aspmx.l.google.com2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●MXaspmx.l.google.com2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●MXaspmx2.googlemail.com2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●MXaspmx3.googlemail.com2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●MXmail73.conoha.ne.jp2026-02-20 → 2026-03-10 · 2 obs
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
●A133.125.148.112026-02-20 → 2026-03-10 · 3 obs
○ 2016-07-10 08:23:52
● 2026-02-20 19:25:52
● 2026-03-10 10:42:34
○A52.68.98.422015-08-19 → 2016-07-10 · 4 obs
● 2015-08-19 11:06:54
● 2016-07-10 08:23:52
○ 2026-02-20 19:25:52
○ 2026-03-10 10:42:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studypc.net01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ 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 studypc.net (unsigned zone)

⏱️ Timing

Total: 1310ms | Queries: -

📄 Records

TypeCountSample Data
A1133.125.148.11
NS401.dnsv.jp, 02.dnsv.jp...
MX6alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

IP Addresses

studypc.net points to an IP address: 133.125.148.11.

other host names include yamashin-grp.co.jp, (0x616e616c)-(0x65726f746963).com, madamyan.net, hosoi-food.com and umaerabi.com; they share IP numbers with studypc.net.

Name Servers

studypc.net delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

studypc.net at least partially shares name servers with other domains, for instance 729.jp, naraha.net, livecanvas.jp, zero-chintai.jp and bookers.jp.

Hosts with two IP numbers:

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 with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

Six mail servers handle studypc.net: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, mail73.conoha.ne.jp, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

studypc.net shares at least partially some mail servers with other domains, for instance cnrs.jp, iesmep.com, ns500698.ns500759.ns500758.ns500735.ns500698.ns500735.ns500698.ns500735.ns500698.ns500708.ns500698.ns500576.ns500619.ns500619.trackreceptor.com, ns500758.ns500758.ns500698.ns500758.ns500698.ns500698.ns500736.ns500735.ns500736.ns500698.ns500708.ns500698.ns500652.ns500576.ns500576.trackreceptor.com and ns500699.ns500699.ns500734.ns500693.ns500734.ns500699.ns500699.ns500699.ns500693.ns500588.ns500588.ns500612.ns500612.ns500588.ns500578.ns500110.dtrkdll.com.

Mail servers frequently appear alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs for aspmx2.googlemail.com: 2607:f8b0:4003:c30::1b and 74.125.27.27.

Two IPs for aspmx3.googlemail.com: 2607:f8b0:4001:c70::1a and 192.178.209.27.

Two IPs for aspmx.l.google.com: 2607:f8b0:4004:c19::1b and 172.253.62.27.

Two IPs for alt1.aspmx.l.google.com: 2607:f8b0:4003:c30::1b and 74.125.27.26.

Two IPs for alt2.aspmx.l.google.com: 2607:f8b0:4001:c70::1a and 192.178.209.26.

One IP for mail73.conoha.ne.jp: 118.27.122.178.

Names pointing to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Names pointing to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com.