`mail.it-tutorials.org`

CNAME	`mail.infrakerl.de`
DNSSEC	⚠️ Not signed
A	2a06:1283:c112:fa21::14c1:afa3^{🇺🇸 Schleyer-EDV2a06:1283:c110::/44}
		PTR	`vweb01.schleyer.services`
A	45.151.56.7^{🇩🇪 Schleyer-EDV45.151.56.0/24 Network}

`it-tutorials.org`

	DNSSEC	⚠️ Not signed
	NS	`curitiba.ns.porkbun.com` ⭐
	NS	`fortaleza.ns.porkbun.com`
	NS	`maceio.ns.porkbun.com`
	NS	`salvador.ns.porkbun.com`
	MX	`mail.it-tutorials.org` ⭐
	TXT	`v=spf1 include:spf.infrakerl.de -all`
	SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2401506084

MX for

it-tutorials.org

Same first word

mail.keymachine.de

mail.gd

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mail.basicserver.io

mail.coupons

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mail.hr

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DNS History

1 record (1 active, 0 former)

●CNAMEmail.infrakerl.de2026-04-15 → 2026-04-15 · 2 obs

● 2026-04-15 08:17:24
● 2026-04-15 11:38:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
it-tutorials.org	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	-

✅ Authoritative Response

Server:173.245.58.37

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-tutorials.org (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.infrakerl.de`

Analysis

Mail Server Role

mail.it-tutorials.org is the mail server for it-tutorials.org.

IP Addresses

mail.it-tutorials.org resolves to two IP numbers: 2a06:1283:c112:fa21::14c1:afa3 and 45.151.56.7.

other host names including eval-u.de, blitzmail.de, n1.inweb1.eu, kvm-host.eu and mail.leonluca.de share IP numbers with mail.it-tutorials.org.

mail.it-tutorials.org - robtex.com