keystone-net.com - robtex.com

keystone-net.com

DNSSEC⚠️ Not signed
A49.212.243.149🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3609.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
MXkeystone-net.com ⭐
A49.212.243.149🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3609.sakura.ne.jp
TXTv=spf1 a:www3609.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-01-15 #1

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=1774462297

MX for

keystone-net.com

Same first word

keystone-net.com

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jphos33.asp.mewave.comnsh1.asp.mewave.comnsh2.asp.mewave.comnsh7a.nttbiz.jpnsh7b.nttbiz.jpMXkeystone-net.comshared-mx.check.mewave.jpA49.212.243.149210.193.118.60210.193.119.198
○NShos33.asp.mewave.com2015-05-14 → 2017-06-27 · 4 obs
● 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
●NSmaster.dns.ne.jp2026-03-13 → 2026-03-25 · 3 obs
○ 2017-06-27 09:51:14
● 2026-03-13 08:19:42
● 2026-03-25 18:40:00
●NSns1.dns.ne.jp2026-03-13 → 2026-03-25 · 3 obs
○ 2017-06-27 09:51:14
● 2026-03-13 08:19:42
● 2026-03-25 18:40:00
●NSns2.dns.ne.jp2026-03-13 → 2026-03-25 · 3 obs
○ 2017-06-27 09:51:14
● 2026-03-13 08:19:42
● 2026-03-25 18:40:00
○NSnsh1.asp.mewave.com2015-05-14 → 2017-06-27 · 4 obs
● 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
○NSnsh2.asp.mewave.com2015-05-14 → 2017-06-27 · 4 obs
● 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
○NSnsh7a.nttbiz.jp2017-06-27 → 2017-06-27 · 4 obs
○ 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
○NSnsh7b.nttbiz.jp2017-06-27 → 2017-06-27 · 4 obs
○ 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
●MXkeystone-net.com2026-03-13 → 2026-03-25 · 3 obs
○ 2017-06-27 09:51:14
● 2026-03-13 08:19:42
● 2026-03-25 18:40:00
○MXshared-mx.check.mewave.jp2015-05-14 → 2017-06-27 · 4 obs
● 2015-05-14 17:35:32
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
○A210.193.118.602017-06-27 → 2017-06-27 · 4 obs
○ 2016-11-30 06:58:04
● 2017-06-27 09:51:14
○ 2026-03-13 08:19:42
○ 2026-03-25 18:40:00
○A210.193.119.1982015-05-14 → 2016-11-30 · 4 obs
● 2015-05-14 17:35:32
● 2016-11-30 06:58:04
○ 2017-06-27 09:51:14
○ 2026-03-25 18:40:00
●A49.212.243.1492026-03-13 → 2026-03-25 · 3 obs
○ 2017-06-27 09:51:14
● 2026-03-13 08:19:42
● 2026-03-25 18:40:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...-
keystone-net.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 keystone-net.com (unsigned zone)

⏱️ Timing

Total: 933ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.243.149
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1keystone-net.com (pri: 10)
TXT1v=spf1 a:www3609.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

keystone-net.com serves as the mail server for keystone-net.com.

IP Addresses

keystone-net.com points to a single IP address: 49.212.243.149.

Other host names such as chushajou.com, mail02.i-ori.jp, hanacupid.org, meisei.org and cit-skytree.jp share IP numbers with keystone-net.com.

Name Servers

keystone-net.com 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 keystone-net.com are shared with other domains, for instance nippaccom.sakura.ne.jp, jcri.jp, blueeyessoft.sakura.ne.jp, melu-on.com and s-side.sakura.ne.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 keystone-net.com is handled by a single mail server, keystone-net.com.

Host keystone-net.com points to IP 49.212.243.149.