`s26.coreserver.jp`

DNSSEC	⚠️ Not signed
A	202.172.28.27^{🇯🇵 DRNET202.172.24.0/21}
		PTR	`s26.coreserver.jp`
MX	`s26.coreserver.jp` ⭐
		A	202.172.28.27^{🇯🇵 DRNET202.172.24.0/21}
			PTR	`s26.coreserver.jp`
TXT	`v=spf1 a:s26.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 #62532 globally
rank #1147 in the tld
WOT: SAFE (70/100)
📈 Tranco rank: #79,356

PTR for

27.28.172.202.in-addr.arpa

MX for

s26.coreserver.jp

Same first word

s26.ch

s26.ru

s26.fr

s26.com

s26.biz

s26.org

s26.de

s26.net

Similar names

6s2.com

6s2.cn

s62.nl

s62.net

2s6.net

26s.cn

2s6.com

26s.ch

6s2.net

s62.in.ua

62s.com

s62.org

62s.de

26s.net

26s.org

62s.net

62s.ru

s62.de

26s.com

DNS History

2 records (2 active, 0 former)

●MXs26.coreserver.jp2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 23:56:16
● 2026-03-23 21:06:30

●A202.172.28.272015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 23:56:16
● 2026-03-23 21:06:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.32.147

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: 328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.172.28.27`
MX	1	`s26.coreserver.jp (pri: 10)`
TXT	1	`v=spf1 a:s26.coreserver.jp include:mxr.v`

Analysis

Mail Server Role

s26.coreserver.jp serves as the mail server for s26.coreserver.jp.

IP Addresses

s26.coreserver.jp points to IP number: 202.172.28.27.

Other host names such as ecomaimai.net, zacs.jp, enjoint.co.jp, mail.kotachi-jp.com and ohikkoshi.info share IPs with s26.coreserver.jp.

Mail Servers

s26.coreserver.jp is handled by a single mail server, s26.coreserver.jp.

s26.coreserver.jp points to a single IP: 202.172.28.27.

s26.coreserver.jp - robtex.com