firstsync.net - dns.ninja
firstsync.net
net
| 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=1785384892 | ||||||
MX for
firstsync.net |
Subdomains
blog.firstsync.net |
Same first word
firstsync.net |
firstsync.com |
DNS History
12 records (7 active, 5 former)
○NSmaster.dns.ne.jp2015-06-09 → 2016-06-19 · 4 obs
● 2016-06-19 07:08:48
○ 2017-01-26 21:22:02
○ 2026-07-30 04:45:28
○NSns1.dns.ne.jp2015-06-09 → 2016-06-19 · 4 obs
● 2016-06-19 07:08:48
○ 2017-01-26 21:22:02
○ 2026-07-30 04:45:28
●NSns1.xserver.jp2017-01-26 → 2026-07-30 · 3 obs
● 2017-01-26 21:22:02
● 2026-07-30 04:45:28
○NSns2.dns.ne.jp2015-06-09 → 2016-06-19 · 4 obs
● 2016-06-19 07:08:48
○ 2017-01-26 21:22:02
○ 2026-07-30 04:45:28
●NSns2.xserver.jp2017-01-26 → 2026-07-30 · 3 obs
● 2017-01-26 21:22:02
● 2026-07-30 04:45:28
●NSns3.xserver.jp2017-01-26 → 2026-07-30 · 3 obs
● 2017-01-26 21:22:02
● 2026-07-30 04:45:28
●NSns4.xserver.jp2017-01-26 → 2026-07-30 · 3 obs
● 2017-01-26 21:22:02
● 2026-07-30 04:45:28
●NSns5.xserver.jp2017-01-26 → 2026-07-30 · 3 obs
● 2017-01-26 21:22:02
● 2026-07-30 04:45:28
●MXfirstsync.net2015-06-09 → 2026-07-30 · 2 obs
● 2026-07-30 04:45:28
○A112.78.112.1852015-06-09 → 2016-06-19 · 4 obs
● 2016-06-19 07:08:48
○ 2017-01-26 21:22:02
○ 2026-07-30 04:45:28
●A162.43.104.1652026-02-16 → 2026-07-30 · 3 obs
● 2026-02-16 11:01:58
● 2026-07-30 04:45:28
○A183.90.245.242017-01-26 → 2017-01-26 · 4 obs
● 2017-01-26 21:22:02
○ 2026-02-16 11:01:58
○ 2026-07-30 04:45:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| firstsync.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:183.90.224.230
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstsync.net (unsigned zone)
⏱️ Timing
Total: 1297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.104.165 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | firstsync.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14764.xserver.jp +a:firstsyn |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
firstsync.net serves as the parent of blog.firstsync.net.
Mail Server Role
firstsync.net serves as a mail server for firstsync.net.
IP Addresses
firstsync.net has exactly one IP address — 162.43.104.165.
jukoukai.com, mx.katsube-dc.com, ninomi.jp plus two other host names have IP numbers in common with firstsync.net.
Name Servers
Five name servers handle delegation for firstsync.net: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
firstsync.net has at least partial name server overlap with other domains, such as malbek.co.jp, akira129723.com, oxy.co.jp and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
firstsync.net uses exactly one mail server, which is firstsync.net.
firstsync.net points to one IP number — 162.43.104.165.