edu-lab.jp - robtex.com

edu-lab.jp

DNSSEC⚠️ Not signed
A202.254.238.5🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.
PTRsv4.xbiz.ne.jp
NSns1.xbiz.ne.jp ⭐
A157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRns1.xbiz.ne.jp
NSns2.xbiz.ne.jp
A35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xbiz.ne.jp
NSns3.xbiz.ne.jp
A157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.
PTRns3.xbiz.ne.jp
MXedu-lab.jp ⭐
A202.254.238.5🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.
PTRsv4.xbiz.ne.jp
TXTgoogle-site-verification=hdsapAPTk3jEg7I7GOz1xmpA5HPLchoMRDW2mswgp-o
TXTv=spf1 +a:sv4.xbiz.ne.jp +a:edu-lab.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xbiz.ne.jproot@xbiz.ne.jp serial=0

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=1774419303

MX for

edu-lab.jp

Same first word

edu-lab.jp
edu-lab.nl
edu-lab.be
edu-lab.net
edu-lab.info
edu-lab.ro
edu-lab.co.uk

Similar names

alde-bu.de
ad-blue.org
ad-blue.pl
blue-ad.com
ad-blue.biz
ad-blue.com
lba-edu.com
ued-lab.ru

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns1.xbiz.ne.jpns2.xbiz.ne.jpns3.xbiz.ne.jpns.kk-ca.netns2.kk-ca.netMXedu-lab.jpvmx0.mail-servers.orgvmx1.mail-servers.orgvmx2.mail-servers.orgA202.254.238.5121.83.238.50
○NSns.kk-ca.net2015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
●NSns1.xbiz.ne.jp2026-03-07 → 2026-03-25 · 3 obs
○ 2017-06-04 08:46:38
● 2026-03-07 12:18:18
● 2026-03-25 06:51:50
○NSns2.kk-ca.net2015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
●NSns2.xbiz.ne.jp2026-03-07 → 2026-03-25 · 3 obs
○ 2017-06-04 08:46:38
● 2026-03-07 12:18:18
● 2026-03-25 06:51:50
●NSns3.xbiz.ne.jp2026-03-07 → 2026-03-25 · 3 obs
○ 2017-06-04 08:46:38
● 2026-03-07 12:18:18
● 2026-03-25 06:51:50
●MXedu-lab.jp2026-03-07 → 2026-03-25 · 3 obs
○ 2017-06-04 08:46:38
● 2026-03-07 12:18:18
● 2026-03-25 06:51:50
○MXvmx0.mail-servers.org2015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
○MXvmx1.mail-servers.org2015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
○MXvmx2.mail-servers.org2015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
○A121.83.238.502015-06-16 → 2017-06-04 · 4 obs
● 2015-06-16 19:28:42
● 2017-06-04 08:46:38
○ 2026-03-07 12:18:18
○ 2026-03-25 06:51:50
●A202.254.238.52026-03-07 → 2026-03-25 · 3 obs
○ 2017-06-04 08:46:38
● 2026-03-07 12:18:18
● 2026-03-25 06:51:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, g.dns.jp, f.dns.jp, d.dns.jp...-
edu-lab.jpns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp3 records

✅ Authoritative Response

Server:157.112.182.247

NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu-lab.jp (unsigned zone)

⏱️ Timing

Total: 893ms | Queries: -

📄 Records

TypeCountSample Data
A1202.254.238.5
NS3ns2.xbiz.ne.jp, ns1.xbiz.ne.jp...
MX1edu-lab.jp (pri: 0)
TXT2google-site-verification=hdsapAPTk3jEg7I, v=spf1 +a:sv4.xbiz.ne.jp +a:edu-lab.jp +
SOA1ns1.xbiz.ne.jp root.xbiz.ne.jp

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)

Analysis

Mail Server Role

The mail server for edu-lab.jp is edu-lab.jp.

IP Addresses

edu-lab.jp points to a single IP address: 202.254.238.5.

Other host names such as www.digix-jp.net, novelcrystal.co.jp, streamer.powertag.jp, www.agurimu.com and takeda.ed.jp share IPs with edu-lab.jp.

Name Servers

edu-lab.jp is delegated to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.

edu-lab.jp at least partially shares name servers with other domains, for example toyo-ltd.jp, aaa-alliance.co.jp, adumayajuraku.com, fujiya-net.com and monthly-kyoto.com.

Host names with a single IP address:

ns1.xbiz.ne.jp resolves to 157.112.182.247.

ns2.xbiz.ne.jp resolves to 35.76.79.244.

ns3.xbiz.ne.jp resolves to 157.112.191.237.

Mail Servers

One mail server handles edu-lab.jp; that server is edu-lab.jp.

edu-lab.jp points to a single IP number: 202.254.238.5.