`s178.coreserver.jp`

DNSSEC	⚠️ Not signed
A	202.172.28.179^{🇯🇵 DRNET202.172.24.0/21}
		PTR	`s178.coreserver.jp`
MX	`s178.coreserver.jp` ⭐
		A	202.172.28.179^{🇯🇵 DRNET202.172.24.0/21}
			PTR	`s178.coreserver.jp`
TXT	`v=spf1 a:s178.coreserver.jp include:mxr.valueserver.jp ~all`

`coreserver.jp`

DNSSEC	⚠️ Not signed
A	104.18.24.150^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.25.150^{Cloudflare104.18.16.0/20 , 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.com`dns@cloudflare.com serial=2399147664

WOT: SAFE (70/100)
rank #61903 globally
rank #1142 in the tld
WOT: SAFE (70/100)
📈 Tranco rank: #67,469

PTR for

179.28.172.202.in-addr.arpa

MX for

cocomim.com

s178.coreserver.jp

Same first word

s178.net

s178.com

Similar names

817s.com

s871.net

78s1.cc

187s.com

s718.game

s718.sx

871s.net

s187.com

DNS History

2 records (2 active, 0 former)

●MXs178.coreserver.jp2015-07-21 → 2026-03-27 · 3 obs

○ 2008-05-05 05:06:26
● 2015-07-21 08:45:04
● 2026-03-27 00:37:24

●A202.172.28.1792015-07-21 → 2026-03-27 · 3 obs

○ 2008-05-05 05:06:26
● 2015-07-21 08:45:04
● 2026-03-27 00:37:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
coreserver.jp	vera.ns.cloudflare.com, gabriel.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.244

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: 757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.172.28.179`
MX	1	`s178.coreserver.jp (pri: 10)`
TXT	1	`v=spf1 a:s178.coreserver.jp include:mxr.`

Analysis

Mail Server Role

s178.coreserver.jp serves as a mail server for cocomim.com and s178.coreserver.jp.

IP Addresses

s178.coreserver.jp resolves to one IP number: 202.172.28.179.

other host names including mail.39ya.net, aspmx2.googlemail.com.ecash.jp, 294.vc, cloudmarketing.co.jp and hostmaster.hidamarikobo.com share IP numbers with s178.coreserver.jp.

Mail Servers

s178.coreserver.jp is served by a single mail server, s178.coreserver.jp.

s178.coreserver.jp shares the same mail server setup as other domains, for instance cocomim.com.

s178.coreserver.jp resolves to IP 202.172.28.179.

s178.coreserver.jp - robtex.com