`s82.coreserver.jp`

DNSSEC	⚠️ Not signed
A	202.172.28.83^{🇯🇵 DRNET202.172.24.0/21}
		PTR	`s82.coreserver.jp`
MX	`s82.coreserver.jp` ⭐
		A	202.172.28.83^{🇯🇵 DRNET202.172.24.0/21}
			PTR	`s82.coreserver.jp`
TXT	`v=spf1 a:s82.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 hints	104.18.24.150, 104.18.25.150
SOA	`gabriel.ns.cloudflare.com`dns@cloudflare.com serial=2400112445

WOT: SAFE (59/100)
rank #61720 globally
rank #1155 in the tld
WOT: SAFE (58/100)
📈 Tranco rank: #41,911

PTR for

83.28.172.202.in-addr.arpa

MX for

smtp.crossindex.jp

s82.coreserver.jp

Same first word

s82.de

s82.pw

s82.jp

s82.it

s82.net

s82.ro

s82.org

s82.pl

Similar names

28s.com

28s.com.cn

s28.es

28s.casino

82s.de

28s.org

82s.org

28s.ru

s28.biz

s28.net

s28.de

28s.cn

s28.com.au

s28.cn

s28.com

28s.net

s28.email

82s.ru

82s.net

s28.it

s28.jp

82s.cn

s28.ru

8s2.com

28s.de

82s.jp

s28.dk

s28.co

28s.info

82s.com

s28.info

DNS History

2 records (2 active, 0 former)

●MXs82.coreserver.jp2015-07-04 → 2026-04-24 · 2 obs

● 2015-07-04 17:57:50
● 2026-04-24 11:19:16

●A202.172.28.832015-07-04 → 2026-04-24 · 2 obs

● 2015-07-04 17:57:50
● 2026-04-24 11:19:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:108.162.192.147

NS records: gabriel.ns.cloudflare.com, vera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreserver.jp (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.172.28.83`
MX	1	`s82.coreserver.jp (pri: 10)`
TXT	1	`v=spf1 a:s82.coreserver.jp include:mxr.v`

Analysis

Mail Server Role

s82.coreserver.jp serves as a mail server for smtp.crossindex.jp and s82.coreserver.jp.

IP Addresses

s82.coreserver.jp points to IP number 202.172.28.83.

For instance, other host names french-translation.jp, daioh.net, mail.crossindex.jp, spanish-sense.com and www.inaka.com share IP numbers with s82.coreserver.jp.

Mail Servers

s82.coreserver.jp is handled by a single mail server, s82.coreserver.jp.

The mail server setup of s82.coreserver.jp is the same as that of other domains, for instance smtp.crossindex.jp.

s82.coreserver.jp points to a single IP: 202.172.28.83.

s82.coreserver.jp - robtex.com