lbrt.jp - robtex.com

lbrt.jp

DNSSEC⚠️ Not signed
A49.212.207.104🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3094.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
MXlbrt.jp ⭐
A49.212.207.104🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3094.sakura.ne.jp
TXTv=spf1 a:www3094.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-09-30 #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=1778529602

MX for

lbrt.jp

Subdomains

www.lbrt.jp

Same first word

lbrt.me.uk
lbrt.cn
lbrt.dk
lbrt.co.jp
lbrt.jp

Similar names

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rltb.com
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btlr.co.uk
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tblr.eu
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ltbr.com
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btlr.nl
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rbtl.ru
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tbrl.com
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tblr.cn
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ltbr.cn
rbtl.net
rltb.cn
btrl.com
blrt.com
rbtl.eu
ltbr.com.br
brlt.org
rbtl.com

DNS History

12 records (5 active, 7 former)

20192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns.kagoya.netns0.kagoya.netns1.kagoya.netns1.mixhost.jpns2.mixhost.jpMXlbrt.jpdmail.kagoya.netA49.212.207.104150.95.55.29
●NSmaster.dns.ne.jp2026-04-10 → 2026-05-11 · 3 obs
○ 2021-05-04 21:55:14
● 2026-04-10 18:36:52
● 2026-05-11 20:46:16
○NSns.kagoya.net2018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 07:27:22
○ 2021-05-04 21:55:14
○ 2026-05-11 20:46:16
○NSns0.kagoya.net2018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 07:27:22
○ 2021-05-04 21:55:14
○ 2026-05-11 20:46:16
●NSns1.dns.ne.jp2026-04-10 → 2026-05-11 · 3 obs
○ 2021-05-04 21:55:14
● 2026-04-10 18:36:52
● 2026-05-11 20:46:16
○NSns1.kagoya.net2018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 07:27:22
○ 2021-05-04 21:55:14
○ 2026-05-11 20:46:16
○NSns1.mixhost.jp2021-05-04 → 2021-05-04 · 4 obs
○ 2018-05-08 07:27:22
● 2021-05-04 21:55:14
○ 2026-04-10 18:36:52
○ 2026-05-11 20:46:16
●NSns2.dns.ne.jp2026-04-10 → 2026-05-11 · 3 obs
○ 2021-05-04 21:55:14
● 2026-04-10 18:36:52
● 2026-05-11 20:46:16
○NSns2.mixhost.jp2021-05-04 → 2021-05-04 · 4 obs
○ 2018-05-08 07:27:22
● 2021-05-04 21:55:14
○ 2026-04-10 18:36:52
○ 2026-05-11 20:46:16
○MXdmail.kagoya.net2018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 07:27:22
○ 2021-05-04 21:55:14
○ 2026-05-11 20:46:16
●MXlbrt.jp2021-05-04 → 2026-05-11 · 3 obs
○ 2018-05-08 07:27:22
● 2021-05-04 21:55:14
● 2026-05-11 20:46:16
○A150.95.55.292021-05-04 → 2021-05-04 · 3 obs
● 2021-05-04 21:55:14
○ 2026-04-10 18:36:52
○ 2026-05-11 20:46:16
●A49.212.207.1042026-04-10 → 2026-05-11 · 3 obs
○ 2021-05-04 21:55:14
● 2026-04-10 18:36:52
● 2026-05-11 20:46:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lbrt.jp (unsigned zone)

⏱️ Timing

Total: 3848ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.104
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1lbrt.jp (pri: 10)
TXT1v=spf1 a:www3094.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

www.lbrt.jp is a child of lbrt.jp.

Mail Server Role

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

IP Addresses

lbrt.jp resolves to one IP number: 49.212.207.104.

Other host names, for instance frientech.com, jpca.gr.jp, nakamura-law.info, kanagawapia.or.jp and kusi.co.jp share IP numbers with lbrt.jp.

Name Servers

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

lbrt.jp at least partially shares name servers with other domains, including reitakukai.net, zopim.sakura.ne.jp, kanko-shinjuku.jp, dandadan.jp and myu314.org.

These name servers are commonly used with 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

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

Host name lbrt.jp resolves to a single IP: 49.212.207.104.