ext-tool.com - dns.ninja

ext-tool.com

DNSSEC⚠️ Not signed
A182.48.11.148🇯🇵 SAKURA-A182.48.11.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan
PTR148.11.48.182.static.www1820m.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
MXext-tool.com ⭐
A182.48.11.148🇯🇵 SAKURA-A182.48.11.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan
PTR148.11.48.182.static.www1820m.sakura.ne.jp
TXTv=spf1 a:www1820m.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2016-03-11 #16

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=1785846892

MX for

ext-tool.com

Same first word

ext-tool.com

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXext-tool.comA182.48.11.148
●NSmaster.dns.ne.jp2015-07-14 → 2026-08-04 · 2 obs
● 2015-07-14 19:15:54
● 2026-08-04 12:38:30
●NSns1.dns.ne.jp2015-07-14 → 2026-08-04 · 2 obs
● 2015-07-14 19:15:54
● 2026-08-04 12:38:30
●NSns2.dns.ne.jp2015-07-14 → 2026-08-04 · 2 obs
● 2015-07-14 19:15:54
● 2026-08-04 12:38:30
●MXext-tool.com2015-07-14 → 2026-08-04 · 2 obs
● 2015-07-14 19:15:54
● 2026-08-04 12:38:30
●A182.48.11.1482015-07-14 → 2026-08-04 · 2 obs
● 2015-07-14 19:15:54
● 2026-08-04 12:38:30

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 922ms | Queries: -

📄 Records

TypeCountSample Data
A1182.48.11.148
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1ext-tool.com (pri: 10)
TXT1v=spf1 a:www1820m.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

ext-tool.com is listed as a mail server for itself.

IP Addresses

ext-tool.com resolves to one IP address: 182.48.11.148.

Among the host names that share IP numbers with ext-tool.com is 148.11.48.182.static.www1820m.sakura.ne.jp, as one example.

Name Servers

ext-tool.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

ext-tool.com shares at least some of its name servers with other domains, including landic.co.jp, miyapro.jp, hkds2.sakura.ne.jp and two others.

These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

Mail for ext-tool.com is handled by one mail server — ext-tool.com.

ext-tool.com resolves to 182.48.11.148 and no other IP number.