pc-lesson.net - robtex.com

pc-lesson.net

DNSSEC⚠️ Not signed
A162.43.117.19🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.
PTRsv13178.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXpc-lesson.net ⭐
A162.43.117.19🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.
PTRsv13178.xserver.jp
TXTv=spf1 +a:sv13178.xserver.jp +a:pc-lesson.net +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@xserver.jp serial=0

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=1774469467

MX for

pc-lesson.net

Same first word

pc-lesson.net

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jplocalhostns1.mytrafficmanagement.comns2.mytrafficmanagement.comuns01.lolipop.jpuns02.lolipop.jpMXpc-lesson.netmail.pickelhost.commx01.lolipop.jpA162.43.117.19192.230.66.93192.230.74.93210.172.144.6145.33.9.234
○NSlocalhost2016-07-15 → 2017-03-24 · 5 obs
○ 2015-12-01 04:09:52
● 2016-07-15 08:50:58
● 2017-03-24 05:45:06
○ 2020-02-09 16:05:30
○ 2026-03-25 20:34:54
○NSns1.mytrafficmanagement.com2016-07-15 → 2017-03-24 · 5 obs
○ 2015-12-01 04:09:52
● 2016-07-15 08:50:58
● 2017-03-24 05:45:06
○ 2020-02-09 16:05:30
○ 2026-03-25 20:34:54
●NSns1.xserver.jp2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
○NSns2.mytrafficmanagement.com2016-07-15 → 2017-03-24 · 5 obs
○ 2015-12-01 04:09:52
● 2016-07-15 08:50:58
● 2017-03-24 05:45:06
○ 2020-02-09 16:05:30
○ 2026-03-25 20:34:54
●NSns2.xserver.jp2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
●NSns3.xserver.jp2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
●NSns4.xserver.jp2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
●NSns5.xserver.jp2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
○NSuns01.lolipop.jp2015-08-05 → 2015-12-01 · 4 obs
● 2015-08-05 01:09:28
● 2015-12-01 04:09:52
○ 2016-07-15 08:50:58
○ 2026-03-25 20:34:54
○NSuns02.lolipop.jp2015-08-05 → 2015-12-01 · 4 obs
● 2015-08-05 01:09:28
● 2015-12-01 04:09:52
○ 2016-07-15 08:50:58
○ 2026-03-25 20:34:54
○MXmail.pickelhost.com2017-03-24 → 2017-03-24 · 4 obs
○ 2016-07-15 08:50:58
● 2017-03-24 05:45:06
○ 2020-02-09 16:05:30
○ 2026-03-25 20:34:54
○MXmx01.lolipop.jp2015-08-05 → 2015-12-01 · 4 obs
● 2015-08-05 01:09:28
● 2015-12-01 04:09:52
○ 2016-07-15 08:50:58
○ 2026-03-25 20:34:54
●MXpc-lesson.net2026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
●A162.43.117.192026-03-25 → 2026-03-25 · 2 obs
○ 2020-02-09 16:05:30
● 2026-03-25 20:34:54
○A192.230.66.932016-07-15 → 2016-07-15 · 4 obs
○ 2015-12-01 04:09:52
● 2016-07-15 08:50:58
○ 2017-03-24 05:45:06
○ 2026-03-25 20:34:54
○A192.230.74.932016-07-15 → 2016-07-15 · 4 obs
○ 2015-12-01 04:09:52
● 2016-07-15 08:50:58
○ 2017-03-24 05:45:06
○ 2026-03-25 20:34:54
○A210.172.144.612015-08-05 → 2015-12-01 · 4 obs
● 2015-08-05 01:09:28
● 2015-12-01 04:09:52
○ 2016-07-15 08:50:58
○ 2026-03-25 20:34:54
○A45.33.9.2342017-03-24 → 2017-03-24 · 4 obs
○ 2016-07-15 08:50:58
● 2017-03-24 05:45:06
○ 2020-02-09 16:05:30
○ 2026-03-25 20:34:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
pc-lesson.netns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.37.247

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pc-lesson.net (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.117.19
NS5ns5.xserver.jp, ns4.xserver.jp...
MX1pc-lesson.net (pri: 0)
TXT1v=spf1 +a:sv13178.xserver.jp +a:pc-lesso
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

The mail server for pc-lesson.net is pc-lesson.net.

IP Addresses

pc-lesson.net maps to IP address 162.43.117.19.

Other host names, for instance y55.biz, z55.biz, ns3.webnowa.com, mail.webnowa.com and webnowa.com share IP numbers with pc-lesson.net.

Name Servers

pc-lesson.net delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

pc-lesson.net at least partially shares name servers with other domains such as musashino-higashi.org, astology.jp, dent-kumiai.com, gicp-marketing.com and chaozu.info.

Host names with three IPs

Host ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246

Host ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247

Host ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247

Host names with one IP

Host ns2.xserver.jp points to 35.72.43.26

Host ns3.xserver.jp points to 202.226.36.247

Mail Servers

One mail server serves pc-lesson.net.

pc-lesson.net points to one IP number: 162.43.117.19.