mail.proofofdev.com - dns.ninja

`mail.proofofdev.com`

DNSSEC	⚠️ Not signed
A	194.53.193.136^{🇵🇱 ITH-PL194.53.193.0/24}
		PTR	`rev1node13.kru.pl`

`proofofdev.com`

	DNSSEC	⚠️ Not signed
	A	194.53.193.136^{🇵🇱 ITH-PL194.53.193.0/24}
	NS	`ns1.kru.pl` ⭐
	NS	`ns2.kru.pl`
	MX	`mail.proofofdev.com` ⭐
	TXT	`v=spf1 a mx ip4:194.53.193.135 ~all`
	SOA	`ns1.kru.pl`hostmaster@proofofdev.com 2026-04-30 #3

MX for

proofofdev.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A194.53.193.1362026-03-16 → 2026-07-10 · 2 obs

● 2026-03-16 13:56:32
● 2026-07-10 00:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...	-
proofofdev.com	ns1.kru.pl, ns2.kru.pl	-

✅ Authoritative Response

Server:217.182.200.139

NS records: ns1.kru.pl, ns2.kru.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofofdev.com (unsigned zone)

⏱️ Timing

Total: 1207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.53.193.136`

Analysis

Mail Server Role

mail.proofofdev.com serves as a mail server for proofofdev.com.

IP Addresses

mail.proofofdev.com points to a single IP number: 194.53.193.136.

Additional host names — mail.karbownik.net, mail.idealna.net, mail.uniglass.com.pl and two others — share IP numbers with mail.proofofdev.com.