mail.cpp-tutor.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.cpp-tutor.com`

DNSSEC	⚠️ Not signed
A	157.90.66.230^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
		PTR	`static.230.66.90.157.clients.your-server.de`

`cpp-tutor.com`

	DNSSEC	⚠️ Not signed
	A	157.90.66.230^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
	NS	`ns21.kv.de` ⭐
	NS	`ns22.kv.de`
	MX	`mail.cpp-tutor.com` ⭐
	TXT	`v=spf1 +a +mx +a:www3.kv.de -all`
	TXT	`google-site-verification=0x1_vdM1XaR-ABVwtYn67I1_CKhEKdSe_-nu8nf6UlM`
	SOA	`ns21.kv.de`technik@kv-gmbh.de serial=1749133706

MX for

cpp-tutor.com

Same first word

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Previous names

Next names

cppmail2.cpp-uk.com

downtime.cpp.com

elevate.cpp.com

mail.cpp-usa.com

mail.cpp-world.com

www.cpp-uk.com

DNS History

1 record (1 active, 0 former)

●A157.90.66.2302026-05-10 → 2026-08-28 · 2 obs

● 2026-05-10 11:04:18
● 2026-08-28 00:38:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
cpp-tutor.com	ns21.kv.de, ns22.kv.de	-

✅ Authoritative Response

Server:157.90.66.230

NS records: ns21.kv.de, ns22.kv.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpp-tutor.com (unsigned zone)

⏱️ Timing

Total: 955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.90.66.230`

Analysis

Mail Server Role

mail.cpp-tutor.com serves as a mail server for cpp-tutor.com.

IP Addresses

mail.cpp-tutor.com points to a single IP number: 157.90.66.230.

Additional host names — lookupserver.com, mail.web-suche.com, shrunken.com and two others — share IP numbers with mail.cpp-tutor.com.