runstack.jp - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

runstack.jp

DNSSEC⚠️ Not signed
A2403:3a00:201:1a:49:212:180:75SAKURA-C2403:3a00::/32
A49.212.180.75SAKURA-C49.212.0.0/16
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
MXrunstack.jp ⭐
A2403:3a00:201:1a:49:212:180:75SAKURA-C2403:3a00::/32
A49.212.180.75SAKURA-C49.212.0.0/16
TXTv=spf1 a:www2665.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-04-28 #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=1789222502

MX for

runstack.jp

Same first word

runstack.online
runstack.jp
runstack.in
runstack.io
runstack.ai
runstack.app
runstack.dev
runstack.ph
runstack.pro
runstack.top
runstack.build
runstack.com.br
runstack.engineer
runstack.host
runstack.workers.dev
runstack.co.uk
runstack.xyz
runstack.com
runstack.net
runstack.ch

DNS History

6 records (6 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXrunstack.jpA2403:3a00:201:1a:49:212:180:7549.212.180.75
●NSmaster.dns.ne.jp2026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20
●NSns1.dns.ne.jp2026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20
●NSns2.dns.ne.jp2026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20
●MXrunstack.jp2026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20
●A2403:3a00:201:1a:49:212:180:752026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20
●A49.212.180.752026-09-06 → 2026-09-12 · 2 obs
● 2026-09-06 12:27:48
● 2026-09-12 16:12:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...15 records
runstack.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 runstack.jp (unsigned zone)

⏱️ Timing

Total: 1710ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.75
AAAA12403:3a00:201:1a:49:212:180:75
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1runstack.jp (pri: 10)
TXT1v=spf1 a:www2665.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 17

In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Mail Server Role

runstack.jp acts as its own mail server.

IP Addresses

runstack.jp resolves to the IP addresses 49.212.180.75 and 2403:3a00:201:1a:49:212:180:75

Name Servers

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

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

runstack.jp has a single mail server: runstack.jp itself.

runstack.jp points to two IP addresses: 49.212.180.75 and 2403:3a00:201:1a:49:212:180:75.