c8.coreserver.jp - robtex.com
c8.coreserver.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.25.109🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | c8.coreserver.jp | ||||||
| MX | c8.coreserver.jp ⭐ | ||||||
| A | 202.172.25.109🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | c8.coreserver.jp | ||||||
| TXT | v=spf1 a:c8.coreserver.jp include:mxr.valueserver.jp ~all | ||||||
coreserver.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.18.24.150Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.18.25.150Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gabriel.ns.cloudflare.com ⭐ | ||||||
| NS | vera.ns.cloudflare.com | ||||||
| MX | mail.coreserver.jp ⭐ | ||||||
| TXT | google-site-verification=M52iG-enU0nhGjZ1Rv0-Jd8Gpn3NEjwa4cWvyYct9tU | ||||||
| TXT | v=spf1 a:www.coreserver.jp ip4:202.172.25.31 include:_spf.google.com ~all | ||||||
| TXT | v=spf1 redirect=value-domain.com | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.18.24.150, 104.18.25.150 | ||||||
| SOA | gabriel.ns.cloudflare.comdns@cloudflare.com serial=2400112445 | ||||||
rank #62776 globally
rank #1157 in the tld
WOT: SAFE (70/100)
📈 Tranco rank: #65,078
PTR for
MX for
Previously MX for
Same first word
c8.cm |
c8.com.au |
c8.biz |
c8.cn |
c8.ru |
c8.hu |
c8.ro |
c8.com |
c8.se |
c8.ai |
c8.eu |
c8.io |
c8.kz |
c8.nl |
c8.fr |
c8.cc |
c8.is |
c8.co.kr |
c8.cz |
c8.de |
c8.pl |
c8.design |
c8.co.uk |
c8.sk |
c8.no |
c8.lt |
c8.dk |
c8.tv |
c8.immo |
c8.com.ua |
c8.fi |
c8.bet |
c8.net.br |
Similar names
8c.ca |
8c.com.cn |
8c.com |
8c.re |
8c.com.vn |
8c.hk |
8c.biz |
8c.cc |
8c.cn |
8c.fr |
8c.ph |
8c.io |
8c.cm |
8c.pl |
8c.pm |
8c.net |
8c.cz |
8c.eu |
8c.dk |
8c.se |
8c.nl |
8c.ru |
DNS History
2 records (2 active, 0 former)
●MXc8.coreserver.jp2015-06-12 → 2026-03-29 · 2 obs
● 2015-06-12 11:39:04
● 2026-03-29 07:25:22
● 2026-03-29 07:25:22
●A202.172.25.1092015-06-12 → 2026-03-29 · 2 obs
● 2015-06-12 11:39:04
● 2026-03-29 07:25:22
● 2026-03-29 07:25:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| coreserver.jp | vera.ns.cloudflare.com, gabriel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.244
NS records: vera.ns.cloudflare.com, gabriel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coreserver.jp (unsigned zone)
⏱️ Timing
Total: 602ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.25.109 |
| MX | 1 | c8.coreserver.jp (pri: 10) |
| TXT | 1 | v=spf1 a:c8.coreserver.jp include:mxr.va |
Analysis
Mail Server Role
c8.coreserver.jp serves as a mail server for c8.coreserver.jp, nix.co.jp and 1st-dengoro.jp.
IP Addresses
c8.coreserver.jp points to a single IP number: 202.172.25.109.
other host names for instance propertyagent.co.jp, smtp.ifnet.or.jp, www.sekisyu-kawara.jp, sekisyu-kawara.jp and ochahoku.com share IP numbers with c8.coreserver.jp.
Mail Servers
One mail server handles c8.coreserver.jp.
c8.coreserver.jp uses the same mail server setup as other domains such as nix.co.jp and 1st-dengoro.jp.
Host name c8.coreserver.jp points to IP address 202.172.25.109.