mail.cppweb.jp - dns.ninja

`mail.cppweb.jp`

DNSSEC	⚠️ Not signed
A	219.94.192.32^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www1622.sakura.ne.jp`

`cppweb.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:826f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:874^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.111^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
NS	`paul.ns.cloudflare.com`
MX	`mail.cppweb.jp` ⭐
TXT	`v=spf1 a:mail.cppweb.jp mx include:sendgrid.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.116, 172.67.130.111
		IPv6 hints	2606:4700:3031::ac43:826f, 2606:4700:3033::6815:874
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2410007513

MX for

cppweb.jp

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DNS History

1 record (1 active, 0 former)

●A219.94.192.322026-03-25 → 2026-07-24 · 2 obs

● 2026-03-25 13:13:22
● 2026-07-24 20:54:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, a.dns.jp, e.dns.jp, f.dns.jp...	-
cppweb.jp	paul.ns.cloudflare.com, elsa.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.111

NS records: paul.ns.cloudflare.com, elsa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cppweb.jp (unsigned zone)

⏱️ Timing

Total: 885ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.94.192.32`

Analysis

Mail Server Role

The mail server mail.cppweb.jp processes email for cppweb.jp.

IP Addresses

mail.cppweb.jp resolves to just one IP address, 219.94.192.32.

Two other host names, along with sst-j.com, bravely521.com and soco.tokyo, also share IP numbers with mail.cppweb.jp.