usui.com - dns.ninja

usui.com

DNSSEC⚠️ Not signed
A2403:3a00:201:1c:49:212:198:29🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2819.sakura.ne.jp
A49.212.198.29🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXusui.com ⭐
A2403:3a00:201:1c:49:212:198:29🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2819.sakura.ne.jp
A49.212.198.29🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2819.sakura.ne.jp
TXTv=spf1 a:www2819.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-10-25 #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=1785266537

MX for

usui.com

Same first word

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DNS History

11 records (6 active, 5 former)

201020122014201620182020202220242026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpusr-ns1.linkclub.jpusr-ns2.linkclub.jpMXusui.commail8.hosting-link.ne.jpmx.linkclub.jpA2403:3a00:201:1c:49:212:198:2949.212.198.29219.118.71.38
●NSmaster.dns.ne.jp2026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02
●NSns1.dns.ne.jp2026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02
●NSns2.dns.ne.jp2026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02
○NSusr-ns1.linkclub.jp2009-01-30 → 2016-12-07 · 4 obs
● 2009-01-30 19:52:46
● 2016-12-07 09:56:36
○ 2026-02-22 02:58:12
○ 2026-07-28 19:38:02
○NSusr-ns2.linkclub.jp2009-01-30 → 2016-12-07 · 4 obs
● 2009-01-30 19:52:46
● 2016-12-07 09:56:36
○ 2026-02-22 02:58:12
○ 2026-07-28 19:38:02
○MXmail8.hosting-link.ne.jp2009-01-30 → 2009-01-30 · 3 obs
● 2009-01-30 19:52:46
○ 2015-08-16 06:39:40
○ 2026-07-28 19:38:02
○MXmx.linkclub.jp2015-08-16 → 2016-12-07 · 5 obs
○ 2009-01-30 19:52:46
● 2015-08-16 06:39:40
● 2016-12-07 09:56:36
○ 2026-02-22 02:58:12
○ 2026-07-28 19:38:02
●MXusui.com2026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02
○A219.118.71.382009-01-30 → 2016-12-07 · 4 obs
● 2009-01-30 19:52:46
● 2016-12-07 09:56:36
○ 2026-02-22 02:58:12
○ 2026-07-28 19:38:02
●A2403:3a00:201:1c:49:212:198:292026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02
●A49.212.198.292026-02-22 → 2026-07-28 · 3 obs
○ 2016-12-07 09:56:36
● 2026-02-22 02:58:12
● 2026-07-28 19:38:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...-
usui.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 usui.com (unsigned zone)

⏱️ Timing

Total: 1220ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.198.29
AAAA12403:3a00:201:1c:49:212:198:29
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1usui.com (pri: 10)
TXT1v=spf1 a:www2819.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

The MX record for usui.com points back to usui.com — it is its own mail server.

IP Addresses

usui.com directs to two IP numbers, 49.212.198.29 and 2403:3a00:201:1c:49:212:198:29

Among the host names that share IP numbers with usui.com are sungreed.com, i-satei.com, bhq.co.jp and two others.

Name Servers

Three name servers are authoritative for usui.com: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

usui.com partially shares its NS delegation with several other domains, including mayonaka-navi.info, my-freebook.com, axser.info and two others.

These name servers often co-occur with the name servers dns.sakura.ad.jp.

Three hostnames, one IP address apiece: 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

The MX record for usui.com points to a single mail server: usui.com.

The host usui.com resolves to 49.212.198.29 and 2403:3a00:201:1c:49:212:198:29 — two IP addresses.