sumisan.co - robtex.com

sumisan.co

DNSSEC⚠️ Not signed
A163.43.87.157🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3917.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
MXsumisan.co ⭐
A163.43.87.157🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3917.sakura.ne.jp
TXTv=spf1a:www3917.sakura.ne.jp mx~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-02-19 #1

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759633497

MX for

sumisan.co

Same first word

sumisan.co
sumisan.org
sumisan.jp

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mussani.nl

DNS History

5 records (5 active, 0 former)

2020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXsumisan.coA163.43.87.157
●NSmaster.dns.ne.jp2019-04-27 → 2026-04-14 · 2 obs
● 2019-04-27 04:18:24
● 2026-04-14 02:13:50
●NSns1.dns.ne.jp2019-04-27 → 2026-04-14 · 2 obs
● 2019-04-27 04:18:24
● 2026-04-14 02:13:50
●NSns2.dns.ne.jp2019-04-27 → 2026-04-14 · 2 obs
● 2019-04-27 04:18:24
● 2026-04-14 02:13:50
●MXsumisan.co2019-04-27 → 2026-04-14 · 2 obs
● 2019-04-27 04:18:24
● 2026-04-14 02:13:50
●A163.43.87.1572019-04-27 → 2026-04-14 · 2 obs
● 2019-04-27 04:18:24
● 2026-04-14 02:13:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co-
sumisan.cons1.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 sumisan.co (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

TypeCountSample Data
A1163.43.87.157
NS2ns2.dns.ne.jp, ns1.dns.ne.jp
MX1sumisan.co (pri: 10)
TXT1v=spf1a:www3917.sakura.ne.jp mx~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

For sumisan.co, the mail server is sumisan.co.

IP Addresses

sumisan.co resolves to one IP number: 163.43.87.157.

other host names including ywkintl.com, enthu.jp, abehachi.com, ehako.com and ehako.net share IP numbers with sumisan.co.

Name Servers

sumisan.co is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sumisan.co at least partially shares name servers with other domains, for instance aioso.com, komatsu-ccf.com, shimizuke.com, kansai-mcca.jp and wa(0x73686974)su.co.jp.

Host names with one IP number: 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

sumisan.co is served by a single mail server, sumisan.co.

sumisan.co resolves to IP 163.43.87.157.