🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sp401.rackspeed-cloud.de`

DNSSEC	⚠️ Not signed
MX	`mx.rackspeed.de` ⭐
		A	2a0b:2301:1000:1::3^{COMTRANCE-AS2a0b:2301::/32}
			PTR	`mx.rackspeed.de`
		A	93.89.4.99^{🇩🇪 COMTRANCE-AS93.89.4.0/24}
			PTR	`mx.rackspeed.de`
TXT	`v=spf1 a mx -all`

`rackspeed-cloud.de`

	DNSSEC	⚠️ Not signed
	A	2a0b:2301:1000:1::2^{COMTRANCE-AS2a0b:2301::/32}
	A	185.172.125.96^{🇩🇪 RACKSPEED-AS185.172.124.0/22}
	NS	`ns.rackspeed-cloud.de` ⭐
	NS	`ns.rackspeed-cloud.com`
	NS	`ns.rackspeed-cloud.eu`
	MX	`mx.rackspeed.de` ⭐
	TXT	`_tj4ayfn143kmplx73c2ae28yurvz0uz`
	TXT	`_e7fq2nbhvnlw7yj9xry6jg2k9w9y53j`
	TXT	`_ww0dqs9ibm3w3dzok6ynh9qmvh9wlqv`
	TXT	`_05tybwpcttp5gqsawj10o0n167x50on`
	TXT	`202110202120302e9kn3wvn73zkzk142evsl2jki4l9x3532qkze9o5g2f9hvbt4`
	TXT	`v=spf1 ip4:93.89.4.159 ip4:213.9.21.217 +a +mx +ip4:213.9.20.82 +include:serv...`
	TXT	`whpj0r0s64vqmy1nwh7l1p65j7kswq6h`
	TXT	`202205021927092qe54m92b3qbu2ydssh8e83rw39ls4tdbc5glb5g8h8nheqf1d`
	SOA	`ns.rackspeed-cloud.de`2ndlevel@rackspeed.de 2026-08-13 #1

📈 Tranco rank: #163,951

PTR for

57.21.9.213.in-addr.arpa

DNS History

2 records (1 active, 1 former)

●MXmx.rackspeed.de2026-05-24 → 2026-08-15 · 2 obs

● 2026-05-24 13:44:18
● 2026-08-15 20:41:32

○A213.9.21.572017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 11:23:36
○ 2026-05-24 13:44:18
○ 2026-08-15 20:41:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
rackspeed-cloud.de	ns.rackspeed-cloud.de, ns.rackspeed-cloud.com, ns.rackspeed-cloud.eu	1 record

✅ Authoritative Response

Server:185.147.217.91

NS records: ns.rackspeed-cloud.de, ns.rackspeed-cloud.com, ns.rackspeed-cloud.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rackspeed-cloud.de (unsigned zone)

⏱️ Timing

Total: 799ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`mx.rackspeed.de (pri: 10)`
TXT	1	`v=spf1 a mx -all`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.rackspeed-cloud.de)

Analysis

Mail Servers

Mail for sp401.rackspeed-cloud.de is handled by a single mail server, mx.rackspeed.de.

sp401.rackspeed-cloud.de uses an identical mail server configuration to several other domains — among them jetzt-pr2.rackspeed-cloud.de, akku-ebike2.rackspeed-cloud.de, bree-eshop.rackspeed-cloud.de and two more.

mx.rackspeed.de points to two IP addresses: 93.89.4.99 and 2a0b:2301:1000:1::3.

sp401.rackspeed-cloud.de - robtex.com