crosslab.jp - robtex.com

crosslab.jp

DNSSEC⚠️ Not signed
A49.212.180.213🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2773.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRip-61-211-236-1.defastlink.net
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXcrosslab.jp ⭐
A49.212.180.213🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2773.sakura.ne.jp
TXTv=spf1 a:www2773.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-10 #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=1778348703

MX for

crosslab.jp

Subdomains

mail.crosslab.jp
www.crosslab.jp

Same first word

crosslab.xyz
crosslab.com
crosslab.co.jp
crosslab.net
crosslab.ru
crosslab.jp

Similar names

classbro.com
bcssolar.com
rlbassoc.com
rblassoc.com
broclass.com
csbsolar.com
bscsolar.com
socrlabs.com
classorb.com
boscsarl.com

DNS History

18 records (5 active, 13 former)

2008201020122014201620182020202220242026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jp01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.crosslab.jpns1.crosslab.jpMXcrosslab.jpalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commail.crosslab.jpA49.212.180.213203.135.240.139
○NS01.dnsv.jp2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○NS02.dnsv.jp2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○NS03.dnsv.jp2016-06-15 → 2016-11-30 · 5 obs
○ 2015-09-03 08:37:12
● 2016-06-15 20:42:14
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○NS04.dnsv.jp2016-06-15 → 2016-11-30 · 5 obs
○ 2015-09-03 08:37:12
● 2016-06-15 20:42:14
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
●NSmaster.dns.ne.jp2026-04-11 → 2026-05-09 · 3 obs
○ 2016-11-30 10:48:26
● 2026-04-11 00:30:38
● 2026-05-09 18:11:38
○NSns.crosslab.jp2007-12-06 → 2007-12-06 · 3 obs
● 2007-12-06 13:52:04
○ 2015-09-03 08:37:12
○ 2026-05-09 18:11:38
○NSns1.crosslab.jp2007-12-06 → 2007-12-06 · 3 obs
● 2007-12-06 13:52:04
○ 2015-09-03 08:37:12
○ 2026-05-09 18:11:38
●NSns1.dns.ne.jp2026-04-11 → 2026-05-09 · 3 obs
○ 2016-11-30 10:48:26
● 2026-04-11 00:30:38
● 2026-05-09 18:11:38
●NSns2.dns.ne.jp2026-04-11 → 2026-05-09 · 3 obs
○ 2016-11-30 10:48:26
● 2026-04-11 00:30:38
● 2026-05-09 18:11:38
○MXalt1.aspmx.l.google.com2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○MXalt2.aspmx.l.google.com2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○MXaspmx.l.google.com2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○MXaspmx2.googlemail.com2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
○MXaspmx3.googlemail.com2015-09-03 → 2016-11-30 · 5 obs
○ 2007-12-06 13:52:04
● 2015-09-03 08:37:12
● 2016-11-30 10:48:26
○ 2026-04-11 00:30:38
○ 2026-05-09 18:11:38
●MXcrosslab.jp2026-04-11 → 2026-05-09 · 3 obs
○ 2016-11-30 10:48:26
● 2026-04-11 00:30:38
● 2026-05-09 18:11:38
○MXmail.crosslab.jp2007-12-06 → 2007-12-06 · 3 obs
● 2007-12-06 13:52:04
○ 2015-09-03 08:37:12
○ 2026-05-09 18:11:38
○A203.135.240.1392007-12-06 → 2007-12-06 · 3 obs
● 2007-12-06 13:52:04
○ 2015-09-03 08:37:12
○ 2026-05-09 18:11:38
●A49.212.180.2132026-04-11 → 2026-05-09 · 3 obs
○ 2015-09-03 08:37:12
● 2026-04-11 00:30:38
● 2026-05-09 18:11:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
crosslab.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crosslab.jp (unsigned zone)

⏱️ Timing

Total: 970ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.213
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1crosslab.jp (pri: 10)
TXT1v=spf1 a:www2773.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Hierarchy

crosslab.jp is a parent of mail.crosslab.jp and www.crosslab.jp.

Mail Server Role

crosslab.jp serves as the mail server for crosslab.jp.

IP Addresses

crosslab.jp points to IP number: 49.212.180.213.

Other host names such as memorandum.sakura.ne.jp, yuu-n.com, pp-website.com, monocorde.jp and tas-net.co.jp share IPs with crosslab.jp.

Name Servers

crosslab.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

crosslab.jp at least partially shares name servers with other domains, for instance spdd.net, tokyo-yanoharakai.net, itoh.sakura.ne.jp, original-parts.co.jp and tuoba.jp.

these name servers are often used in conjunction with the name servers dns.sakura.ad.jp.

Host names with a single IP:

master.dns.ne.jp points to: 210.224.172.18.

ns1.dns.ne.jp points to: 61.211.236.1.

ns2.dns.ne.jp points to: 133.167.21.1.

Mail Servers

crosslab.jp is handled by a single mail server, crosslab.jp.

crosslab.jp points to a single IP: 49.212.180.213.