`mxf910.netcup.net`

DNSSEC	⚠️ Not signed
A	2a03:4000:0:240:14cd:ddff:feb5:1dbd^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
		PTR	`mxf910.netcup.net`
A	46.38.249.16^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}

`netcup.net`

	DNSSEC	⚠️ Not signed
	A	2a03:4000::e01e^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	46.38.224.30^{🇩🇪 netcup-AS46.38.224.0/20 NETCUP-GMBH}
	NS	`acns01.xaas.systems` ⭐
	NS	`acns02.xaas.systems`
	NS	`acns03.xaas.systems`
	NS	`acns04.xaas.systems`
	NS	`acns05.xaas.systems`
	MX	`smtp.netcup.net` ⭐
	TXT	`v=spf1 ip4:46.38.225.170 ip4:212.123.34.96/28 ip4:212.123.36.25 ip4:188.65.77...`
	SOA	`acns01.xaas.systems`mail@netcup.de serial=3870

rank #67154 globally
rank #2351 in the tld
📈 Tranco rank: #19,673

PTR for

16.249.38.46.in-addr.arpa

d.b.d.1.5.b.e.f.f.f.d.d.d.c.4.1.0.4.2.0.0.0.0.0.0.0.0.4.3.0.a.2.ip6.arpa

MX for

biko.de

katlen.de

mister-he.de

crueter.xyz

eden-emu.dev

mgsoft.de

8qm.de

play-car.de

playonclick.com

arktech.de

heandshe.de

dorst-it.de

swurl.xyz

Previously MX for

tierische-tierfotografie.de

waide.eu

onkelmaggus.de

ruesken.de

plonline.de

DNS History

2 records (2 active, 0 former)

●A2a03:4000:0:240:14cd:ddff:feb5:1dbd2026-06-06 → 2026-07-04 · 2 obs

● 2026-06-06 20:52:58
● 2026-07-04 12:59:34

●A46.38.249.162026-06-06 → 2026-07-04 · 2 obs

● 2026-06-06 20:52:58
● 2026-07-04 12:59:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
netcup.net	acns01.xaas.systems, acns02.xaas.systems, acns03.xaas.systems, acns04.xaas.systems...	-

✅ Authoritative Response

Server:213.227.160.1

NS records: acns01.xaas.systems, acns02.xaas.systems, acns03.xaas.systems, acns04.xaas.systems, acns05.xaas.systems

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netcup.net (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.249.16`
AAAA	1	`2a03:4000:0:240:14cd:ddff:feb5:1dbd`

Analysis

Mail Server Role

mxf910.netcup.net is an MX host for biko.de, katlen.de, mister-he.de, crueter.xyz, eden-emu.dev and a few other domains.

The mail servers mail.biko.de, mail.katlen.de and mail.mister-he.de are commonly grouped with mxf910.netcup.net.

IP Addresses

mxf910.netcup.net directs to two IP numbers, 46.38.249.16 and 2a03:4000:0:240:14cd:ddff:feb5:1dbd

mail.waide.eu, mail.mgsoft.de, mail.ruesken.de and two other host names share IP numbers with mxf910.netcup.net.

mxf910.netcup.net - robtex.com