sai31.com - robtex.com
sai31.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.102.37🇯🇵 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 | ||||||
| PTR | www3827.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 | sai31.com ⭐ | ||||||
| A | 163.43.102.37🇯🇵 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 | ||||||
| PTR | www3827.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3827.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-07-21 #17 | ||||||
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=1775263447 | ||||||
MX for
sai31.com |
Subdomains
mail.sai31.com |
Same first word
sai31.com |
DNS History
12 records (5 active, 7 former)
○NSdns01.park.onamae.com2015-09-19 → 2016-03-30 · 5 obs
● 2015-09-19 23:46:04
● 2016-03-30 01:35:10
○ 2016-12-09 18:29:06
○ 2026-04-04 01:12:24
○NSdns02.park.onamae.com2015-09-19 → 2016-03-30 · 5 obs
● 2015-09-19 23:46:04
● 2016-03-30 01:35:10
○ 2016-12-09 18:29:06
○ 2026-04-04 01:12:24
○NSdns1.onamae.com2016-12-09 → 2017-09-03 · 5 obs
● 2016-12-09 18:29:06
● 2017-09-03 23:17:10
○ 2026-03-05 23:21:36
○ 2026-04-04 01:12:24
○NSdns2.onamae.com2016-12-09 → 2017-09-03 · 5 obs
● 2016-12-09 18:29:06
● 2017-09-03 23:17:10
○ 2026-03-05 23:21:36
○ 2026-04-04 01:12:24
●NSmaster.dns.ne.jp2026-03-05 → 2026-04-04 · 3 obs
● 2026-03-05 23:21:36
● 2026-04-04 01:12:24
●NSns1.dns.ne.jp2026-03-05 → 2026-04-04 · 3 obs
● 2026-03-05 23:21:36
● 2026-04-04 01:12:24
○NSns1.gmointernet.com2015-06-25 → 2016-09-09 · 4 obs
● 2016-09-09 14:54:50
○ 2016-12-09 18:29:06
○ 2026-04-04 01:12:24
●NSns2.dns.ne.jp2026-03-05 → 2026-04-04 · 3 obs
● 2026-03-05 23:21:36
● 2026-04-04 01:12:24
●MXsai31.com2026-03-05 → 2026-04-04 · 2 obs
● 2026-04-04 01:12:24
○A150.95.255.382017-09-03 → 2017-09-03 · 4 obs
● 2017-09-03 23:17:10
○ 2026-03-05 23:21:36
○ 2026-04-04 01:12:24
●A163.43.102.372026-03-05 → 2026-04-04 · 3 obs
● 2026-03-05 23:21:36
● 2026-04-04 01:12:24
○A210.157.1.1342015-06-25 → 2016-12-09 · 4 obs
● 2016-12-09 18:29:06
○ 2017-09-03 23:17:10
○ 2026-04-04 01:12:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net... | - |
| sai31.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 sai31.com (unsigned zone)
⏱️ Timing
Total: 906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.102.37 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | sai31.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3827.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
sai31.com is the parent of mail.sai31.com.
Mail Server Role
For sai31.com, the mail server is sai31.com.
IP Addresses
sai31.com resolves to one IP number: 163.43.102.37.
other host names including goshima.jp, 843fm.co.jp, ichinomiya4.net, libre-music.com and barber-monzo.com share IP numbers with sai31.com.
Name Servers
sai31.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
sai31.com at least partially shares name servers with other domains, for instance kanau.jp, c-flat.sakura.ne.jp, msv-ehc00040.sakura.ne.jp, samoyed.jp and dpkhp.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
sai31.com is served by a single mail server, sai31.com.
sai31.com resolves to IP 163.43.102.37.