`mail.centertainment21.at`

DNSSEC	⚠️ Not signed
A	81.19.149.90^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`mail35.world4you.com`

`centertainment21.at`

	DNSSEC	⚠️ Not signed
	A	81.19.159.87^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
	NS	`ns1.world4you.at` ⭐
	NS	`ns2.world4you.at`
	MX	`mail.centertainment21.at` ⭐
	TXT	`v=spf1 mx include:spf.w4ymail.at include:spf.nl2go.com -all`
	SOA	`ns1.world4you.at`hostmaster@world4you.com 2025-03-18 #22

MX for

centertainment21.at

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DNS History

1 record (1 active, 0 former)

●A81.19.149.902018-05-16 → 2026-04-14 · 2 obs

● 2018-05-16 03:44:16
● 2026-04-14 03:39:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...	14 records
centertainment21.at	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server:217.160.82.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centertainment21.at (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.149.90`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (u.ns.at, u.ns.at, ns2.univie.ac.at...)

Analysis

Mail Server Role

mail.centertainment21.at serves as the mail server for centertainment21.at.

IP Addresses

mail.centertainment21.at resolves to a single IP: 81.19.149.90.

Other host names, for instance mail.klaus-immobilien.at, mail.rf-design.at, mail.pas-service.com, mail.energieloesungszentrum.at and mail.kachelofen-stangelmayer.at share IP numbers with mail.centertainment21.at.

mail.centertainment21.at - robtex.com