j-class.jp - robtex.com

j-class.jp

DNSSEC⚠️ Not signed
A35.73.195.128🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRec2-35-73-195-128.ap-northeast-1.compute.amazonaws.com
A35.74.141.115🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
NSns-1622.awsdns-10.co.uk ⭐
A2600:9000:5306:5600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1622.awsdns-10.co.uk
A205.251.198.86🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1622.awsdns-10.co.uk
NSns-1385.awsdns-45.org
A2600:9000:5305:6900::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1385.awsdns-45.org
A205.251.197.105🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1385.awsdns-45.org
NSns-203.awsdns-25.com
A2600:9000:5300:cb00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-203.awsdns-25.com
A205.251.192.203🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-203.awsdns-25.com
NSns-589.awsdns-09.net
A2600:9000:5302:4d00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-589.awsdns-09.net
A205.251.194.77🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-589.awsdns-09.net
SOAns-1622.awsdns-10.co.ukawsdns-hostmaster@amazon.com serial=1

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=1776096003

Previously MX for

j-class.jp

Same first word

j-class.jp

DNS History

19 records (6 active, 13 former)

20162017201820192020202120222023202420252026NSns-1385.awsdns-45.orgns-1622.awsdns-10.co.ukns-203.awsdns-25.comns-589.awsdns-09.netns1.value-domain.comns2.value-domain.comMXj-class.jpA35.73.195.12835.74.141.11513.159.146.6518.178.29.14918.181.18.153203.189.105.18452.193.59.5752.68.160.2954.250.179.10854.65.9.8157.180.149.20257.182.150.78
●NSns-1385.awsdns-45.org2026-02-18 → 2026-04-13 · 3 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
● 2026-04-13 16:29:38
●NSns-1622.awsdns-10.co.uk2026-02-18 → 2026-04-13 · 3 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
● 2026-04-13 16:29:38
●NSns-203.awsdns-25.com2026-02-18 → 2026-04-13 · 3 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
● 2026-04-13 16:29:38
●NSns-589.awsdns-09.net2026-02-18 → 2026-04-13 · 3 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
● 2026-04-13 16:29:38
○NSns1.value-domain.com2015-07-12 → 2016-08-14 · 4 obs
● 2015-07-12 23:47:54
● 2016-08-14 02:01:10
○ 2026-02-18 01:41:50
○ 2026-04-13 16:29:38
○NSns2.value-domain.com2015-07-12 → 2016-08-14 · 4 obs
● 2015-07-12 23:47:54
● 2016-08-14 02:01:10
○ 2026-02-18 01:41:50
○ 2026-04-13 16:29:38
○MXj-class.jp2015-07-12 → 2016-08-14 · 4 obs
● 2015-07-12 23:47:54
● 2016-08-14 02:01:10
○ 2026-02-18 01:41:50
○ 2026-04-13 16:29:38
○A13.159.146.652026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-07 02:29:10
● 2026-04-04 21:14:54
○ 2026-04-05 18:13:56
○ 2026-04-13 16:29:38
○A18.178.29.1492026-04-05 → 2026-04-05 · 4 obs
○ 2026-04-04 21:14:54
● 2026-04-05 18:13:56
○ 2026-04-13 13:14:56
○ 2026-04-13 16:29:38
○A18.181.18.1532026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-22 07:37:38
● 2026-03-07 02:29:10
○ 2026-04-04 21:14:54
○ 2026-04-13 16:29:38
○A203.189.105.1842015-07-12 → 2016-08-14 · 4 obs
● 2015-07-12 23:47:54
● 2016-08-14 02:01:10
○ 2026-02-18 01:41:50
○ 2026-04-13 16:29:38
●A35.73.195.1282026-04-13 → 2026-04-13 · 3 obs
○ 2026-04-05 18:13:56
● 2026-04-13 13:14:56
● 2026-04-13 16:29:38
●A35.74.141.1152026-04-13 → 2026-04-13 · 3 obs
○ 2026-04-05 18:13:56
● 2026-04-13 13:14:56
● 2026-04-13 16:29:38
○A52.193.59.572026-02-18 → 2026-02-18 · 4 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
○ 2026-02-22 07:37:38
○ 2026-04-13 16:29:38
○A52.68.160.292026-02-18 → 2026-02-18 · 4 obs
○ 2016-08-14 02:01:10
● 2026-02-18 01:41:50
○ 2026-02-22 07:37:38
○ 2026-04-13 16:29:38
○A54.250.179.1082026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-22 07:37:38
● 2026-03-07 02:29:10
○ 2026-04-04 21:14:54
○ 2026-04-13 16:29:38
○A54.65.9.812026-02-22 → 2026-02-22 · 4 obs
○ 2026-02-18 01:41:50
● 2026-02-22 07:37:38
○ 2026-03-07 02:29:10
○ 2026-04-13 16:29:38
○A57.180.149.2022026-04-04 → 2026-04-05 · 5 obs
○ 2026-03-07 02:29:10
● 2026-04-04 21:14:54
● 2026-04-05 18:13:56
○ 2026-04-13 13:14:56
○ 2026-04-13 16:29:38
○A57.182.150.782026-02-22 → 2026-02-22 · 4 obs
○ 2026-02-18 01:41:50
● 2026-02-22 07:37:38
○ 2026-03-07 02:29:10
○ 2026-04-13 16:29:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
j-class.jpns-203.awsdns-25.com, ns-589.awsdns-09.net, ns-1385.awsdns-45.org, ns-1622.awsdns-10.co.uk-

✅ Authoritative Response

Server:205.251.198.86

NS records: ns-203.awsdns-25.com, ns-589.awsdns-09.net, ns-1385.awsdns-45.org, ns-1622.awsdns-10.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

TypeCountSample Data
A235.73.195.128, 35.74.141.115
NS4ns-1385.awsdns-45.org, ns-1622.awsdns-10.co.uk...
SOA1ns-1622.awsdns-10.co.uk awsdns-hostmaste

Analysis

IP Addresses

j-class.jp resolves to two IPs: 35.73.195.128 and 35.74.141.115.

other host names for instance chinmasa-campus.jp, sandy-estate.co.jp, rampart-rrr.jp, happy-enjoy.com and zext-p.jp share IP numbers with j-class.jp.

Name Servers

j-class.jp is delegated to four name servers: ns-203.awsdns-25.com, ns-589.awsdns-09.net, ns-1385.awsdns-45.org and ns-1622.awsdns-10.co.uk.

j-class.jp at least partially shares name servers with other domains, for instance secureloans2017.com, themandys.com, ebuzzingvideo4.com, menbo-anyon.com and calm-kushiro.com.

These name servers are commonly used with ns-537.awsdns-03.net, ns-296.awsdns-37.com and ns-1344.awsdns-40.org.

Host names with two IP numbers:

Host name ns-203.awsdns-25.com points to: 2600:9000:5300:cb00::1 and 205.251.192.203.

Host name ns-589.awsdns-09.net points to: 2600:9000:5302:4d00::1 and 205.251.194.77.

Host name ns-1385.awsdns-45.org points to: 2600:9000:5305:6900::1 and 205.251.197.105.

Host name ns-1622.awsdns-10.co.uk points to: 2600:9000:5306:5600::1 and 205.251.198.86.