inst-sec.com - dns.ninja
inst-sec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.237🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2997.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 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 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | inst-sec.com ⭐ | ||||||
| A | 49.212.198.237🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2997.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2997.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-02-23 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785036712 | ||||||
MX for
inst-sec.com |
Same first word
inst-sec.com |
inst-sec.sakura.ne.jp |
Similar names
sets-inc.com |
sistec-n.com |
tess-inc.com |
sics-net.com |
c-steins.de |
sinte-sc.blogspot.com.br |
sci-nest.com |
in-sects.com |
sinte-sc.org.br |
sc-stein.ch |
icss-net.com |
DNS History
14 records (5 active, 9 former)
●NSmaster.dns.ne.jp2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 05:31:34
● 2026-07-26 03:41:24
○NSns.inst-sec.com2015-07-13 → 2016-05-01 · 4 obs
● 2016-05-01 03:59:50
○ 2017-01-10 23:32:58
○ 2026-07-26 03:41:24
●NSns1.dns.ne.jp2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 05:31:34
● 2026-07-26 03:41:24
○NSns1.netways.ne.jp2017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
●NSns2.dns.ne.jp2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 05:31:34
● 2026-07-26 03:41:24
○NSns2.netways.ne.jp2017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
○NSns3.netways.ne.jp2017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
○MXgw3.netways.ne.jp2017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
○MXgw4.netways.ne.jp2017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
●MXinst-sec.com2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 05:31:34
● 2026-07-26 03:41:24
○MXmail.inst-sec.com2015-07-13 → 2016-05-01 · 4 obs
● 2016-05-01 03:59:50
○ 2017-01-10 23:32:58
○ 2026-07-26 03:41:24
○A153.122.6.1182017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 23:32:58
○ 2026-03-24 05:31:34
○ 2026-07-26 03:41:24
○A199.116.177.122015-07-13 → 2016-05-01 · 4 obs
● 2016-05-01 03:59:50
○ 2017-01-10 23:32:58
○ 2026-07-26 03:41:24
●A49.212.198.2372026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 05:31:34
● 2026-07-26 03:41:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| inst-sec.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for inst-sec.com (unsigned zone)
⏱️ Timing
Total: 1197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.237 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | inst-sec.com (pri: 10) |
| TXT | 1 | v=spf1 a:www2997.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for inst-sec.com points back to inst-sec.com — it is its own mail server.
IP Addresses
inst-sec.com directs to one IP number, which is 49.212.198.237.
Among the host names that share IP numbers with inst-sec.com are f-maplp.jp, nishi8-office.com, inouekouu.com and two others.
Name Servers
The authoritative name servers for inst-sec.com are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
There is at least partial name server overlap between inst-sec.com and other domains — adr.or.jp, asuca.com, icrc.jp and two more among them.
The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
The MX record for inst-sec.com points to a single mail server: inst-sec.com.
inst-sec.com directs to just one IP number, 49.212.198.237.