`mail.fiberoptik.de`

DNSSEC	⚠️ Not signed
A	46.38.249.158^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
		PTR	`mxf99e.netcup.net`

`fiberoptik.de`

	DNSSEC	⚠️ Not signed
	A	2a03:4000:30:b6d::10:3003^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	46.38.249.156^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.fiberoptik.de` ⭐
	MX	`mxf99e.netcup.net`⁽⁵⁰⁾
	TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2019-12-17 #1

MX for

fiberoptik.de

Same first word

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DNS History

1 record (1 active, 0 former)

●A46.38.249.1582026-02-21 → 2026-04-14 · 2 obs

● 2026-02-21 09:53:20
● 2026-04-14 13:24:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
fiberoptik.de	root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fiberoptik.de (unsigned zone)

⏱️ Timing

Total: 2696ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.249.158`

Analysis

Mail Server Role

The mail server for fiberoptik.de is mail.fiberoptik.de.

For mail handling, mxf99e.netcup.net serves as a mail server together with mail.fiberoptik.de.

IP Addresses

mail.fiberoptik.de points to a single IP number: 46.38.249.158.

Other host names, for instance mail.finanzburger.de, mail.segeltheorie.de, mail.gossensass.de, mail.aufbaukunst.de and mail.theslanket.de share IP numbers with mail.fiberoptik.de.

mail.fiberoptik.de - robtex.com