`mail.data-union.de`

	DNSSEC	⚠️ Not signed
	A	212.7.171.135^{🇩🇪 KTK212.7.160.0/19 KEVAG Telekom GmbH}

`data-union.de`

	DNSSEC	⚠️ Not signed
	A	185.60.251.251^{🇩🇪 Cloudflare185.60.251.0/24}
	NS	`denise.nr-city.net` ⭐
	NS	`ns2.nr-city.net`
	MX	`mail.data-union.de` ⭐
	SOA	`denise.nr-city.net`hostmaster@nr-city.net 2019-03-07 #1

MX for

data-union.de

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DNS History

1 record (1 active, 0 former)

●A212.7.171.1352015-06-06 → 2026-03-24 · 2 obs

● 2015-06-06 06:21:54
● 2026-03-24 12:10:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
data-union.de	ns2.nr-city.net, denise.nr-city.net	-

✅ Authoritative Response

Server:212.7.171.138

NS records: ns2.nr-city.net, denise.nr-city.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for data-union.de (unsigned zone)

⏱️ Timing

Total: 991ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.7.171.135`

Analysis

Mail Server Role

mail.data-union.de functions as a mail server for data-union.de.

IP Addresses

mail.data-union.de resolves to one IP number: 212.7.171.135.

other host names including dataunion.de, trike-treffpunkt.de, sportscity.de, 1st-service.org and webcustomer.net share IP numbers with mail.data-union.de.

mail.data-union.de - robtex.com