plus-class.co.jp - robtex.com

plus-class.co.jp

DNSSEC⚠️ Not signed
A199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google
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
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=Bv9DidmpSwVJ5UHciDF3yOzr2ag3y3rPDBzn-J9mD54
TXTgoogle-site-verification=OeDKW6_7iKC8Nxppe8JkNufpunmaj1zdbn0so9r7TAE
TXThosting-site=pcg-proj-008
TXTinclude:39879281.spf06.hubspotemail.net
TXTv=spf1 include:aspmx.googlemail.com ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1722497139

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

plus-class.co.jp

Similar names

class-plus.jp

DNS History

13 records (12 active, 1 former)

201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA199.36.158.100157.7.188.232
●NS01.dnsv.jp2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●NS02.dnsv.jp2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●NS03.dnsv.jp2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●NS04.dnsv.jp2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXalt1.aspmx.l.google.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXalt2.aspmx.l.google.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXaspmx.l.google.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXaspmx2.googlemail.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXaspmx3.googlemail.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXaspmx4.googlemail.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
●MXaspmx5.googlemail.com2017-10-27 → 2026-05-11 · 2 obs
● 2017-10-27 01:43:06
● 2026-05-11 02:09:00
○A157.7.188.2322017-10-27 → 2017-10-27 · 3 obs
● 2017-10-27 01:43:06
○ 2026-05-01 11:48:08
○ 2026-05-11 02:09:00
●A199.36.158.1002026-05-01 → 2026-05-11 · 3 obs
○ 2017-10-27 01:43:06
● 2026-05-01 11:48:08
● 2026-05-11 02:09:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
plus-class.co.jp04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plus-class.co.jp (unsigned zone)

⏱️ Timing

Total: 1146ms | Queries: -

📄 Records

TypeCountSample Data
A1199.36.158.100
NS401.dnsv.jp, 02.dnsv.jp...
MX7alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)...
TXT5google-site-verification=Bv9DidmpSwVJ5UH, google-site-verification=OeDKW6_7iKC8Nxp...
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

IP Addresses

plus-class.co.jp points to IP number: 199.36.158.100.

Other host names such as fflnsultimate.firebaseapp.com, mroberts-portfolio.firebaseapp.com, phoenixlimited.net, netflixgpt-de98a.firebaseapp.com and datastudio-prod-firestore.firebaseapp.com share IPs with plus-class.co.jp.

Name Servers

plus-class.co.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

plus-class.co.jp at least partially shares name servers with other domains, for instance sp-s.jp, eflomax.online, wakai-kougyou.com, xn--lckh3d1ctd3b.com and shinkokyu.jp.

Two IPs per host:

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

One IP per host:

02.dnsv.jp points to 157.7.33.53

Mail Servers

Seven mail servers handle plus-class.co.jp: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

plus-class.co.jp shares at least partially some mail servers with other domains, including milliondollarvegan.com, ns500734.ns500693.ns500734.ns500693.ns500734.ns500699.ns500693.ns500728.ns500699.ns500588.ns500588.ns500683.ns500588.ns500612.ns500632.ns500110.dtrkdll.com, ns500742.ns500671.ns500731.ns500731.ns500731.ns500742.ns500705.ns500704.ns500671.ns500649.ns500649.ns500649.ns500153.tenderladiesbz.com, ns500698.ns500758.ns500698.ns500735.ns500736.ns500736.ns500698.ns500736.ns500698.ns500576.ns500708.ns500619.ns500619.ns500576.ns500619.trackreceptor.com and ns500754.ns500671.ns500742.ns500742.ns500671.ns500754.ns500704.ns500731.ns500704.ns500704.ns500704.ns500671.ns500671.ns500666.tenderladiesbz.com.

these mail servers are commonly used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26

aspmx3.googlemail.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.27

aspmx4.googlemail.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.27

aspmx5.googlemail.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27

aspmx.l.google.com points to: 2607:f8b0:4023:c0d::1b and 142.250.141.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27

alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26

Host names pointing to 2607:f8b0:4023:2801::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com