rxtx.jp - robtex.com

rxtx.jp

DNSSEC⚠️ Not signed
A2403:3a00:101:22:49:212:235:226🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww3486.sakura.ne.jp
A49.212.235.226🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXrxtx.jp ⭐
A2403:3a00:101:22:49:212:235:226🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww3486.sakura.ne.jp
A49.212.235.226🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3486.sakura.ne.jp
TXTv=spf1 a:www3486.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-02-01 #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=1774646102

MX for

rxtx.jp

Same first word

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rxtx.eu
rxtx.cx
rxtx.fr
rxtx.uk
rxtx.ovh
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Similar names

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txrx.be

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXrxtx.jpmx.rxtx.jpA2403:3a00:101:22:49:212:235:22649.212.235.2262001:470:23:4f::249.212.132.121
●NSmaster.dns.ne.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 10:10:38
● 2026-03-27 21:50:44
●NSns1.dns.ne.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 10:10:38
● 2026-03-27 21:50:44
●NSns2.dns.ne.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 10:10:38
● 2026-03-27 21:50:44
○MXmx.rxtx.jp2015-07-19 → 2017-04-07 · 4 obs
● 2015-07-19 10:10:38
● 2017-04-07 20:58:46
○ 2026-02-16 16:15:48
○ 2026-03-27 21:50:44
●MXrxtx.jp2026-02-16 → 2026-03-27 · 3 obs
○ 2017-04-07 20:58:46
● 2026-02-16 16:15:48
● 2026-03-27 21:50:44
○A2001:470:23:4f::22015-07-19 → 2017-04-07 · 4 obs
● 2015-07-19 10:10:38
● 2017-04-07 20:58:46
○ 2026-02-16 16:15:48
○ 2026-03-27 21:50:44
●A2403:3a00:101:22:49:212:235:2262026-02-16 → 2026-03-27 · 3 obs
○ 2017-04-07 20:58:46
● 2026-02-16 16:15:48
● 2026-03-27 21:50:44
○A49.212.132.1212015-07-19 → 2017-04-07 · 4 obs
● 2015-07-19 10:10:38
● 2017-04-07 20:58:46
○ 2026-02-16 16:15:48
○ 2026-03-27 21:50:44
●A49.212.235.2262026-02-16 → 2026-03-27 · 3 obs
○ 2017-04-07 20:58:46
● 2026-02-16 16:15:48
● 2026-03-27 21:50:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
rxtx.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rxtx.jp (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.235.226
AAAA12403:3a00:101:22:49:212:235:226
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1rxtx.jp (pri: 10)
TXT1v=spf1 a:www3486.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

Mail Server Role

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

IP Addresses

rxtx.jp points to two IP numbers: 2403:3a00:101:22:49:212:235:226 and 49.212.235.226.

Other host names such as tendertime.sakura.ne.jp, fujiyama-navi.sakura.ne.jp, mail.adwing-jp.com, msv-im00461.sakura.ne.jp and twicomi.sakura.ne.jp share IP numbers with rxtx.jp.

Name Servers

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

At least part of the name servers for rxtx.jp are shared with other domains, for instance uptrend.sakura.ne.jp, waseda-united.co.jp, wishweb.org, yoga-lib.com and sublimeguitarcraft.com.

These name servers are commonly used alongside 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

Mail for rxtx.jp is handled by a single mail server, rxtx.jp.

Hostname rxtx.jp resolves to two IPs: 2403:3a00:101:22:49:212:235:226 and 49.212.235.226.