chu-on.com - robtex.com

chu-on.com

DNSSEC⚠️ Not signed
A49.212.207.76🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3066.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
MXchu-on.com ⭐
A49.212.207.76🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3066.sakura.ne.jp
TXTv=spf1 a:www3066.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-05-11 #10

com

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=1776155952

MX for

chu-on.com

Same first word

chu-on.com

Similar names

n-chuo.ac.jp
hu-con.at
ho-cun.com.tw

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns0.transip.netns1.transip.nlns2.transip.euMXchu-on.commail.chu-on.commx.transip.emailrelay.transip.nlA49.212.207.76149.210.209.132a01:7c8:eb:0:149:210:209:13
●NSmaster.dns.ne.jp2026-03-04 → 2026-04-14 · 3 obs
○ 2016-12-27 17:41:20
● 2026-03-04 15:41:14
● 2026-04-14 08:46:56
○NSns0.transip.net2015-06-10 → 2016-09-11 · 4 obs
● 2015-06-10 08:00:22
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
●NSns1.dns.ne.jp2026-03-04 → 2026-04-14 · 3 obs
○ 2016-12-27 17:41:20
● 2026-03-04 15:41:14
● 2026-04-14 08:46:56
○NSns1.transip.nl2015-06-10 → 2016-09-11 · 4 obs
● 2015-06-10 08:00:22
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
●NSns2.dns.ne.jp2026-03-04 → 2026-04-14 · 3 obs
○ 2016-12-27 17:41:20
● 2026-03-04 15:41:14
● 2026-04-14 08:46:56
○NSns2.transip.eu2015-06-10 → 2016-09-11 · 4 obs
● 2015-06-10 08:00:22
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
●MXchu-on.com2026-03-04 → 2026-04-14 · 3 obs
○ 2016-12-27 17:41:20
● 2026-03-04 15:41:14
● 2026-04-14 08:46:56
○MXmail.chu-on.com2015-06-10 → 2015-11-15 · 4 obs
● 2015-06-10 08:00:22
● 2015-11-15 22:40:14
○ 2016-02-11 23:29:48
○ 2026-04-14 08:46:56
○MXmx.transip.email2016-02-11 → 2016-09-11 · 5 obs
○ 2015-11-15 22:40:14
● 2016-02-11 23:29:48
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
○MXrelay.transip.nl2015-06-10 → 2015-11-15 · 4 obs
● 2015-06-10 08:00:22
● 2015-11-15 22:40:14
○ 2016-02-11 23:29:48
○ 2026-04-14 08:46:56
○A149.210.209.132015-06-10 → 2016-09-11 · 4 obs
● 2015-06-10 08:00:22
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
○A2a01:7c8:eb:0:149:210:209:132015-06-10 → 2016-09-11 · 4 obs
● 2015-06-10 08:00:22
● 2016-09-11 05:50:50
○ 2016-12-27 17:41:20
○ 2026-04-14 08:46:56
●A49.212.207.762026-03-04 → 2026-04-14 · 3 obs
○ 2016-12-27 17:41:20
● 2026-03-04 15:41:14
● 2026-04-14 08:46:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
chu-on.comns1.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 chu-on.com (unsigned zone)

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.76
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1chu-on.com (pri: 10)
TXT1v=spf1 a:www3066.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

For chu-on.com, the mail server is chu-on.com.

IP Addresses

chu-on.com resolves to one IP number: 49.212.207.76.

other host names including medik.sakura.ne.jp, amakusa-prince.sakura.ne.jp, insatsu-o.com, zenhokan.sakura.ne.jp and hayami.org share IP numbers with chu-on.com.

Name Servers

chu-on.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

chu-on.com at least partially shares name servers with other domains, for instance chibar.sakura.ne.jp, yoshietsuneo.sakura.ne.jp, agri-label.com, uemura39.sakura.ne.jp and asiaflux.net.

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

chu-on.com is served by a single mail server, chu-on.com.

chu-on.com resolves to IP 49.212.207.76.