fta7.jp - robtex.com
fta7.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.226.36.52🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | sv51.sixcore.ne.jp | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | fta7.jp ⭐ | ||||||
| A | 202.226.36.52🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | sv51.sixcore.ne.jp | ||||||
| TXT | v=spf1 +a:sv51.sixcore.ne.jp +a:fta7.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=0 | ||||||
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=1774556102 | ||||||
MX for
fta7.jp |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.sixcore.ne.jp2015-06-27 → 2026-03-26 · 2 obs
● 2026-03-26 20:36:42
●NSns2.sixcore.ne.jp2015-06-27 → 2026-03-26 · 2 obs
● 2026-03-26 20:36:42
●NSns3.sixcore.ne.jp2015-06-27 → 2026-03-26 · 2 obs
● 2026-03-26 20:36:42
●MXfta7.jp2015-06-27 → 2026-03-26 · 2 obs
● 2026-03-26 20:36:42
●A202.226.36.522026-02-25 → 2026-03-26 · 3 obs
● 2026-02-25 12:42:10
● 2026-03-26 20:36:42
○A219.94.200.522015-06-27 → 2018-08-02 · 4 obs
● 2018-08-02 06:40:36
○ 2026-02-25 12:42:10
○ 2026-03-26 20:36:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| fta7.jp | ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp | 3 records |
✅ Authoritative Response
Server:202.226.37.248
NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fta7.jp (unsigned zone)
⏱️ Timing
Total: 939ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.36.52 |
| NS | 3 | ns2.sixcore.ne.jp, ns3.sixcore.ne.jp... |
| MX | 1 | fta7.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv51.sixcore.ne.jp +a:fta7.jp |
| SOA | 1 | ns1.sixcore.ne.jp root.sv0.sixcore.ne.jp |
📌 Glue Records Collected
Total: 18
In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)
Out-of-bailiwick: 3 (ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp)
Analysis
Mail Server Role
For fta7.jp, the mail server is fta7.jp.
IP Addresses
fta7.jp resolves to one IP number: 202.226.36.52.
other host names including dm-bulldog.com, 816.fm, mayeda-sangyo.co.jp, st-karas.com and yamada-arch.com share IP numbers with fta7.jp.
Name Servers
fta7.jp is delegated to three name servers ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
fta7.jp at least partially shares name servers with other domains, for instance iitate-home.jp, fujinokuni.co.jp, liyn-an.biz, nagoya-eurocoop.com and bunri.info.
Host names with one IP number: ns1.sixcore.ne.jp points to 202.226.36.232; ns2.sixcore.ne.jp points to 202.226.39.241; ns3.sixcore.ne.jp points to 202.226.37.248.
Mail Servers
fta7.jp is served by a single mail server, fta7.jp.
fta7.jp resolves to IP 202.226.36.52.