`mx5501.netcup.net`

DNSSEC	⚠️ Not signed
A	2605:380:55:554::46^{🇨🇦 ANEXIA2605:380:55::/48 Dedicated servers in Toronto YYZ/CA Anexia CA}
		PTR	`mx5501.netcup.net`
A	188.172.221.46^{🇨🇦 ANEXIA188.172.221.0/24 Internetdienstleistungs GmbH CA - Toronto}

`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=3784

rank #67458 globally
rank #2172 in the tld
📈 Tranco rank: #20,987

PTR for

6.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.5.5.0.5.5.0.0.0.8.3.0.5.0.6.2.ip6.arpa

46.221.172.188.in-addr.arpa

MX for

focusonscugog.com

americanprotectioncorp.com

bagwellauctions.com

findlay.ca

aavisedesign.com

chiaris.ca

DNS History

2 records (2 active, 0 former)

●A188.172.221.462026-02-15 → 2026-05-10 · 2 obs

● 2026-02-15 03:15:36
● 2026-05-10 01:40:52

●A2605:380:55:554::462026-02-15 → 2026-05-10 · 2 obs

● 2026-02-15 03:15:36
● 2026-05-10 01:40:52

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:213.227.191.1

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: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.172.221.46`
AAAA	1	`2605:380:55:554::46`

Analysis

Mail Server Role

mx5501.netcup.net serves as the mail server for focusonscugog.com, americanprotectioncorp.com, bagwellauctions.com, findlay.ca and aavisedesign.com and a few other domains.

mail.focusonscugog.com, mail.americanprotectioncorp.com and mail.bagwellauctions.com are commonly used as mail servers together with mx5501.netcup.net.

IP Addresses

mx5501.netcup.net points to two IP numbers: 2605:380:55:554::46 and 188.172.221.46.

Other host names such as mail.findlay.ca, mail.aavisedesign.com, mail.bagwellauctions.com, mail.americanprotectioncorp.com and mail.focusonscugog.com share IP numbers with mx5501.netcup.net.

mx5501.netcup.net - robtex.com