a278.jp - robtex.com
a278.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1777095902 | ||||||
MX for
a278.jp |
Same first word
a278.jp |
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DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●NSns2.xserver.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●NSns3.xserver.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●NSns4.xserver.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●NSns5.xserver.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●MXa278.jp2026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
●A157.112.152.552026-04-14 → 2026-04-25 · 2 obs
● 2026-04-25 06:16:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| a278.jp | ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.39.247
NS records: ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a278.jp (unsigned zone)
⏱️ Timing
Total: 973ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.152.55 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | a278.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv954.xserver.jp +a:a278.jp +m |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
a278.jp serves as a mail server for a278.jp.
IP Addresses
a278.jp points to a single IP: 157.112.152.55.
Other host names, for instance integrated.tokyo, arenani.info, birinobu.com, britisheigo.com and toyotama.net share IP numbers with a278.jp.
Name Servers
a278.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
a278.jp partially shares name servers with other domains; examples include itsumo.net, niigata-enishi.com, numazugc.co.jp, atelegance.com and applimaniacs.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
a278.jp is handled by a single mail server, a278.jp.
a278.jp points to a single IP: 157.112.152.55.