`mail.ostergruss.com`

DNSSEC	⚠️ Not signed
A	84.38.66.139^{🇩🇪 ISPONE84.38.64.0/21}
		PTR	`vserver3546.vserver-on.de`

`ostergruss.com`

	DNSSEC	⚠️ Not signed
	A	84.38.66.139^{🇩🇪 ISPONE84.38.64.0/21}
	NS	`dns1.ispone-business.de` ⭐
	NS	`dns2.ispone-business.de`
	MX	`mail.ostergruss.com` ⭐
	SOA	`dns1.ispone-business.de`hostmaster@ispone-business.de 2024-03-28 #1

MX for

ostergruss.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A84.38.66.1392026-03-24 → 2026-03-28 · 2 obs

● 2026-03-24 12:58:10
● 2026-03-28 19:49:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ostergruss.com	dns1.ispone-business.de, dns2.ispone-business.de	-

✅ Authoritative Response

Server:84.38.79.92

NS records: dns1.ispone-business.de, dns2.ispone-business.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostergruss.com (unsigned zone)

⏱️ Timing

Total: 722ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`84.38.66.139`

Analysis

Mail Server Role

mail.ostergruss.com serves as the mail server for ostergruss.com.

IP Addresses

mail.ostergruss.com points to IP number 84.38.66.139.

For instance, other host names baerio.com, 66.139.baercloud.com, 139.baercloud.com, baercloud.com and vserver3546.vserver-on.de share IP numbers with mail.ostergruss.com.

mail.ostergruss.com - robtex.com