esna.co.jp - robtex.com

esna.co.jp

DNSSEC⚠️ Not signed
A49.212.207.27🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3017.sakura.ne.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.esna.co.jp ⭐
A164.70.83.125🇯🇵 InfoSphere164.70.64.0/18 INFOSPHERE
PTRv2000-125.mailsecure.jp
TXTv=spf1 ip4:164.70.83.125 include:kairos3.com ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1773807089

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Subdomains

www.esna.co.jp
mail.esna.co.jp

Same first word

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DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns.dlsv.comns2.dlsv.comns3.dlsv.comMXmail.esna.co.jpsmtp.esna.co.jpA49.212.207.27202.172.26.45
●NS01.dnsv.jp2026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40
●NS02.dnsv.jp2026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40
●NS03.dnsv.jp2026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40
●NS04.dnsv.jp2026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40
○NSns.dlsv.com2015-08-02 → 2016-10-20 · 4 obs
● 2015-08-02 21:38:34
● 2016-10-20 12:41:12
○ 2026-04-09 05:07:52
○ 2026-05-14 04:19:40
○NSns2.dlsv.com2015-08-02 → 2016-10-20 · 4 obs
● 2015-08-02 21:38:34
● 2016-10-20 12:41:12
○ 2026-04-09 05:07:52
○ 2026-05-14 04:19:40
○NSns3.dlsv.com2015-08-02 → 2016-10-20 · 4 obs
● 2015-08-02 21:38:34
● 2016-10-20 12:41:12
○ 2026-04-09 05:07:52
○ 2026-05-14 04:19:40
●MXmail.esna.co.jp2026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40
○MXsmtp.esna.co.jp2015-08-02 → 2016-10-20 · 4 obs
● 2015-08-02 21:38:34
● 2016-10-20 12:41:12
○ 2026-04-09 05:07:52
○ 2026-05-14 04:19:40
○A202.172.26.452015-08-02 → 2016-10-20 · 4 obs
● 2015-08-02 21:38:34
● 2016-10-20 12:41:12
○ 2026-04-09 05:07:52
○ 2026-05-14 04:19:40
●A49.212.207.272026-04-09 → 2026-05-14 · 3 obs
○ 2016-10-20 12:41:12
● 2026-04-09 05:07:52
● 2026-05-14 04:19:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
esna.co.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esna.co.jp (unsigned zone)

⏱️ Timing

Total: 4370ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.27
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.esna.co.jp (pri: 10)
TXT1v=spf1 ip4:164.70.83.125 include:kairos3
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

esna.co.jp is a parent of www.esna.co.jp and mail.esna.co.jp.

IP Addresses

esna.co.jp resolves to one IP number: 49.212.207.27.

other host names including sima-s.com, logk10.sakura.ne.jp, www3017.sakura.ne.jp, ryugakubox.net and gifu-sns.sakura.ne.jp share IP numbers with esna.co.jp.

Name Servers

esna.co.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

esna.co.jp at least partially shares name servers with other domains, for instance sohzo.co.jp, shoei.ac.jp, katoseikeigeka.com, kaleidostar.jp and 0696.jp.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

esna.co.jp is handled by a single mail server, mail.esna.co.jp.

mail.esna.co.jp resolves to IP 164.70.83.125.