rexmart.jp - robtex.com
rexmart.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1.nnc.or.jp ⭐ | ||||||
| A | 218.45.0.2🇯🇵 CYBERLINKS218.45.0.0/20 CO.,LTD. X-Keiro: admin@cyberlinks.ad.jp | ||||||
| PTR | ns-1.nnc.or.jp | ||||||
| NS | ns-2.nnc.or.jp | ||||||
| A | 218.45.1.2🇯🇵 CYBERLINKS218.45.0.0/20 CO.,LTD. X-Keiro: admin@cyberlinks.ad.jp | ||||||
| PTR | ns-2.nnc.or.jp | ||||||
| NS | ns-3.cyber-l.co.jp | ||||||
| A | 210.161.179.32🇯🇵 OCN210.160.0.0/14 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mail.rexmart.jp ⭐ | ||||||
| A | 210.164.135.130🇯🇵 OCN210.164.0.0/16 (AS4713) CIDR BLOCK 10 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | mail.rexmart.jp | ||||||
| TXT | v=spf1 include:spf.repica.jp ip4:210.164.135.128/27 ~all | ||||||
| SOA | ns-1.nnc.or.jproot@nnc.or.jp 2026-06-16 #1 | ||||||
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=1785528902 | ||||||
Subdomains
Same first word
Similar names
mxarter.com |
mtraxer.com |
xmarter.com |
traxmre.com |
xermart.com |
rxemart.com |
mrextra.com |
remtrax.com |
terramx.de |
merxart.com |
remaxtr.com |
martrex.com |
rxrteam.com |
DNS History
7 records (4 active, 3 former)
●NSns-1.nnc.or.jp2026-03-22 → 2026-07-31 · 3 obs
● 2026-03-22 13:16:32
● 2026-07-31 20:42:44
●NSns-2.nnc.or.jp2026-03-22 → 2026-07-31 · 3 obs
● 2026-03-22 13:16:32
● 2026-07-31 20:42:44
●NSns-3.cyber-l.co.jp2026-03-22 → 2026-07-31 · 3 obs
● 2026-03-22 13:16:32
● 2026-07-31 20:42:44
○NSns01.idc.jp2015-05-12 → 2017-06-09 · 4 obs
● 2017-06-09 17:03:46
○ 2026-03-22 13:16:32
○ 2026-07-31 20:42:44
○NSns02.idc.jp2015-05-12 → 2017-06-09 · 4 obs
● 2017-06-09 17:03:46
○ 2026-03-22 13:16:32
○ 2026-07-31 20:42:44
○NSns03.idc.jp2015-05-12 → 2017-06-09 · 4 obs
● 2017-06-09 17:03:46
○ 2026-03-22 13:16:32
○ 2026-07-31 20:42:44
●MXmail.rexmart.jp2015-05-12 → 2026-07-31 · 2 obs
● 2026-07-31 20:42:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, d.dns.jp, g.dns.jp, e.dns.jp... | - |
| rexmart.jp | ns-1.nnc.or.jp, ns-2.nnc.or.jp, ns-3.cyber-l.co.jp | 3 records |
✅ Authoritative Response
Server:218.45.0.2
NS records: ns-1.nnc.or.jp, ns-2.nnc.or.jp, ns-3.cyber-l.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rexmart.jp (unsigned zone)
⏱️ Timing
Total: 906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns-2.nnc.or.jp, ns-1.nnc.or.jp... |
| MX | 1 | mail.rexmart.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.repica.jp ip4:210.164 |
| SOA | 1 | ns-1.nnc.or.jp root.nnc.or.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns-1.nnc.or.jp, ns-2.nnc.or.jp, ns-3.cyber-l.co.jp)
Analysis
Hierarchy
mail.rexmart.jp and s.rexmart.jp are both subdomains of rexmart.jp.
Name Servers
The authoritative name servers for rexmart.jp are ns-3.cyber-l.co.jp, ns-1.nnc.or.jp and ns-2.nnc.or.jp — three in total.
There is at least partial name server overlap between rexmart.jp and other domains — 7.45.218.in-addr.arpa, mail-clarinet.jp, wakayama-wky.ed.jp and two more among them.
These name servers tend to appear in combination with the name servers nnc.or.jp, cdns1.cyberlinks.ad.jp, ns2.aikis.or.jp and ns.aikis.or.jp.
The hostnames ns-3.cyber-l.co.jp, ns-1.nnc.or.jp and ns-2.nnc.or.jp each resolve to a single IP: ns-3.cyber-l.co.jp → 210.161.179.32, ns-1.nnc.or.jp → 218.45.0.2, ns-2.nnc.or.jp → 218.45.1.2.
Mail Servers
Mail for rexmart.jp is handled by a single mail server, mail.rexmart.jp.
mail.rexmart.jp directs to just one IP number, 210.164.135.130.