poitan.com - robtex.com
poitan.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | mailx.poitan.com ⭐ | ||||||
| A | 54.199.127.50🇯🇵 Amazon54.199.0.0/17 EC2 NRT prefix | ||||||
| PTR | mail.mssl.jp | ||||||
| TXT | v=spf1 ip4:54.199.127.50 include:_spf.google.com ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-04-03 #1 | ||||||
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=1783414976 | ||||||
Subdomains
mailx.poitan.com |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSmaster.dns.ne.jp2026-06-28 → 2026-07-07 · 3 obs
● 2026-06-28 23:53:48
● 2026-07-07 09:10:24
●NSns1.dns.ne.jp2026-06-28 → 2026-07-07 · 3 obs
● 2026-06-28 23:53:48
● 2026-07-07 09:10:24
○NSns1.manabi.st2015-06-13 → 2015-11-16 · 4 obs
● 2015-11-16 11:13:02
○ 2016-02-11 22:54:26
○ 2026-07-07 09:10:24
○NSns1.mssl.jp2016-02-11 → 2016-11-30 · 5 obs
● 2016-02-11 22:54:26
● 2016-11-30 14:03:04
○ 2026-06-28 23:53:48
○ 2026-07-07 09:10:24
●NSns2.dns.ne.jp2026-06-28 → 2026-07-07 · 3 obs
● 2026-06-28 23:53:48
● 2026-07-07 09:10:24
○NSns2.manabi.st2015-06-13 → 2015-11-16 · 4 obs
● 2015-11-16 11:13:02
○ 2016-02-11 22:54:26
○ 2026-07-07 09:10:24
○NSns2.mssl.jp2016-02-11 → 2016-11-30 · 5 obs
● 2016-02-11 22:54:26
● 2016-11-30 14:03:04
○ 2026-06-28 23:53:48
○ 2026-07-07 09:10:24
○MXmail.poitan.com2015-06-13 → 2016-11-30 · 4 obs
● 2016-11-30 14:03:04
○ 2026-06-28 23:53:48
○ 2026-07-07 09:10:24
●MXmailx.poitan.com2026-06-28 → 2026-07-07 · 3 obs
● 2026-06-28 23:53:48
● 2026-07-07 09:10:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| poitan.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 poitan.com (unsigned zone)
⏱️ Timing
Total: 1270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mailx.poitan.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:54.199.127.50 include:_spf.go |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
poitan.com serves as the parent of mailx.poitan.com.
Name Servers
DNS for poitan.com is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
poitan.com has at least partial name server overlap with other domains, such as fukuzen-yojikyoiku.net, kawaiizumi.sakura.ne.jp, pivot-tools.sakura.ne.jp and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.
Mail Servers
poitan.com uses one mail server — mailx.poitan.com.
mailx.poitan.com has exactly one IP number: 54.199.127.50.