crystalcode.jp - robtex.com

crystalcode.jp

DNSSEC⚠️ Not signed
A59.106.171.61🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2051.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
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c08::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXTv=spf1 a:www2051.sakura.ne.jp mx include:crystalcode.jp ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2023-09-23 #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=1776637802

Same first word

crystalcode.jp
crystalcode.se
crystalcode.mobi
crystalcode.name
crystalcode.net
crystalcode.dk

Similar names

decocrystal.com

DNS History

12 records (9 active, 3 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA59.106.171.61133.242.143.240
●NSmaster.dns.ne.jp2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
●NSns1.dns.ne.jp2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
●NSns2.dns.ne.jp2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
●MXalt1.aspmx.l.google.com2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
●MXalt2.aspmx.l.google.com2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
●MXalt3.aspmx.l.google.com2026-04-10 → 2026-04-19 · 3 obs
○ 2017-07-30 00:41:42
● 2026-04-10 20:25:40
● 2026-04-19 22:36:26
●MXalt4.aspmx.l.google.com2026-04-10 → 2026-04-19 · 3 obs
○ 2017-07-30 00:41:42
● 2026-04-10 20:25:40
● 2026-04-19 22:36:26
●MXaspmx.l.google.com2015-07-02 → 2026-04-19 · 2 obs
● 2015-07-02 02:56:38
● 2026-04-19 22:36:26
○MXaspmx2.googlemail.com2015-07-02 → 2017-07-30 · 4 obs
● 2015-07-02 02:56:38
● 2017-07-30 00:41:42
○ 2026-04-10 20:25:40
○ 2026-04-19 22:36:26
○MXaspmx3.googlemail.com2015-07-02 → 2017-07-30 · 4 obs
● 2015-07-02 02:56:38
● 2017-07-30 00:41:42
○ 2026-04-10 20:25:40
○ 2026-04-19 22:36:26
○A133.242.143.2402015-07-02 → 2017-07-30 · 4 obs
● 2015-07-02 02:56:38
● 2017-07-30 00:41:42
○ 2026-04-10 20:25:40
○ 2026-04-19 22:36:26
●A59.106.171.612026-04-10 → 2026-04-19 · 3 obs
○ 2017-07-30 00:41:42
● 2026-04-10 20:25:40
● 2026-04-19 22:36:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crystalcode.jp (unsigned zone)

⏱️ Timing

Total: 1158ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.171.61
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX5ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)...
TXT1v=spf1 a:www2051.sakura.ne.jp mx include
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

IP Addresses

crystalcode.jp resolves to one IP number: 59.106.171.61.

other host names including kekkan.shimokitazawa-hp.or.jp, www2051.sakura.ne.jp, shimokitazawa-hp.sakura.ne.jp, nagaoka-efc.net and wasai-gakuin.com share IP numbers with crystalcode.jp.

Name Servers

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

crystalcode.jp at least partially shares name servers with other domains, for instance shkage.com, olivean.com, peacewinds.sakura.ne.jp, tandc-corp.co.jp and kan-design.com.

these name servers are commonly used alongside dns.sakura.ad.jp.

Host names with one IP number: 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

crystalcode.jp is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

crystalcode.jp shares some mail servers with other domains, at least partially, for instance leungsacupuncture.com, ns500731.ns500671.ns500754.ns500731.ns500754.ns500731.ns500742.ns500731.ns500688.ns500704.ns500666.lustychickser.com, ns500699.ns500693.ns500734.ns500734.ns500693.ns500693.ns500693.ns500699.ns500699.ns500683.ns500699.ns500612.ns500632.ns500110.dtrkdll.com, ns500699.ns500693.ns500699.ns500693.ns500693.ns500699.ns500734.ns500693.ns500693.ns500693.ns500588.ns500693.ns500699.ns500683.ns500588.ns500683.ns500602.dtrkdll.com and glz.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c08::1b and 142.251.16.26

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1b and 192.178.209.27