b-lab.net - robtex.com

b-lab.net

DNSSEC⚠️ Not signed
A133.242.249.180🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4240.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
PTRns1.dns.ne.jp
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
MXb-lab.net ⭐
A133.242.249.180🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4240.sakura.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2020-10-13 #2

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=1778567096

MX for

b-lab.net

Same first word

b-lab.nl
b-lab.org
b-lab.com
b-lab.co
b-lab.jp
b-lab.info
b-lab.co.kr
b-lab.kr
b-lab.net
b-lab.ru
b-lab.gr

Similar names

bb-la.de
bla-b.la
lab-b.com
lab-b.ca

DNS History

9 records (5 active, 4 former)

2008201020122014201620182020202220242026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns3.sphere.ad.jpns4.sphere.ad.jpMXb-lab.netA133.242.249.180124.146.199.162202.212.148.187
●NSmaster.dns.ne.jp2026-04-07 → 2026-05-12 · 3 obs
○ 2016-12-14 10:19:32
● 2026-04-07 19:43:38
● 2026-05-12 06:39:10
●NSns1.dns.ne.jp2026-04-07 → 2026-05-12 · 3 obs
○ 2016-12-14 10:19:32
● 2026-04-07 19:43:38
● 2026-05-12 06:39:10
●NSns2.dns.ne.jp2026-04-07 → 2026-05-12 · 3 obs
○ 2016-12-14 10:19:32
● 2026-04-07 19:43:38
● 2026-05-12 06:39:10
○NSns3.sphere.ad.jp2007-09-23 → 2016-12-14 · 4 obs
● 2007-09-23 17:02:14
● 2016-12-14 10:19:32
○ 2026-04-07 19:43:38
○ 2026-05-12 06:39:10
○NSns4.sphere.ad.jp2007-09-23 → 2016-12-14 · 4 obs
● 2007-09-23 17:02:14
● 2016-12-14 10:19:32
○ 2026-04-07 19:43:38
○ 2026-05-12 06:39:10
●MXb-lab.net2007-09-23 → 2026-05-12 · 2 obs
● 2007-09-23 17:02:14
● 2026-05-12 06:39:10
○A124.146.199.1622015-07-23 → 2016-12-14 · 5 obs
○ 2007-09-23 17:02:14
● 2015-07-23 09:16:00
● 2016-12-14 10:19:32
○ 2026-04-07 19:43:38
○ 2026-05-12 06:39:10
●A133.242.249.1802026-04-07 → 2026-05-12 · 3 obs
○ 2016-12-14 10:19:32
● 2026-04-07 19:43:38
● 2026-05-12 06:39:10
○A202.212.148.1872007-09-23 → 2007-09-23 · 3 obs
● 2007-09-23 17:02:14
○ 2015-07-23 09:16:00
○ 2026-05-12 06:39:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
b-lab.netns1.dns.ne.jp, ns2.dns.ne.jp-

✅ 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 b-lab.net (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.249.180
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1b-lab.net (pri: 10)
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

b-lab.net serves as the mail server for b-lab.net.

IP Addresses

b-lab.net resolves to one IP number: 133.242.249.180.

Other host names, for instance kaihatuiinkai.jp, sp-kikaku.sakura.ne.jp, pls-art.com, www4240.sakura.ne.jp and qooq.co.jp share IP numbers with b-lab.net.

Name Servers

b-lab.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

b-lab.net at least partially shares name servers with other domains, including artarc.net, zip.co.jp, fit-kawanishi.com, horihata-shika.com and sakana-bal-mabus.sakura.ne.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

b-lab.net is handled by a single mail server, b-lab.net.

Host name b-lab.net resolves to a single IP: 133.242.249.180.