`promosolution.de`

DNSSEC	⚠️ Not signed
A	176.9.137.36^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
		PTR	`static.36.137.9.176.clients.your-server.de`
NS	`cns1.alfahosting.info` ⭐
		A	2a01:64c0:0:5000::8^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`cns1.cloudpit.de`
		A	109.237.142.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns1.cloudpit.de`
NS	`cns2.alfahosting.info`
		A	2a01:4f8:2b02:a88::105^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`cns2.cloudpit.com`
		A	148.251.254.105^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`cns2.cloudpit.com`
NS	`cns3.alfahosting.info`
		A	2a02:2b80:101:5000::8^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`cns3.cloudpit.io`
		A	109.237.143.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns3.cloudpit.io`
MX	`mx03.secure-mailgate.com` ⭐
		A	46.243.88.174^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.176^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
MX	`mx04.secure-mailgate.com` ⭐
		A	46.243.88.175^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.177^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting@de 2026-03-07 #2

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1775984061

Subdomains

www.promosolution.de

mail.promosolution.de

Same first word

promosolution.de

promosolution.biz

DNS History

13 records (6 active, 7 former)

●NScns1.alfahosting.info2026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

●NScns2.alfahosting.info2026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

●NScns3.alfahosting.info2026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

○NSns55.1und1.de2015-07-25 → 2017-04-03 · 4 obs

● 2015-07-25 16:32:44
● 2017-04-03 19:59:26
○ 2026-03-12 13:22:36
○ 2026-04-12 09:07:50

○NSns56.1und1.de2015-07-25 → 2017-04-03 · 4 obs

● 2015-07-25 16:32:44
● 2017-04-03 19:59:26
○ 2026-03-12 13:22:36
○ 2026-04-12 09:07:50

○MXmx00.kundenserver.de2015-07-25 → 2017-04-03 · 4 obs

● 2015-07-25 16:32:44
● 2017-04-03 19:59:26
○ 2026-03-12 13:22:36
○ 2026-04-12 09:07:50

○MXmx01.kundenserver.de2015-07-25 → 2017-04-03 · 4 obs

● 2015-07-25 16:32:44
● 2017-04-03 19:59:26
○ 2026-03-12 13:22:36
○ 2026-04-12 09:07:50

●MXmx03.secure-mailgate.com2026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

●MXmx04.secure-mailgate.com2026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

●A176.9.137.362026-03-12 → 2026-04-12 · 3 obs

○ 2017-04-03 19:59:26
● 2026-03-12 13:22:36
● 2026-04-12 09:07:50

○A217.160.223.2232016-07-12 → 2016-07-12 · 4 obs

○ 2016-03-13 01:41:26
● 2016-07-12 05:06:58
○ 2017-04-03 19:59:26
○ 2026-04-12 09:07:50

○A217.160.231.372017-04-03 → 2017-04-03 · 4 obs

○ 2016-07-12 05:06:58
● 2017-04-03 19:59:26
○ 2026-03-12 13:22:36
○ 2026-04-12 09:07:50

○A87.106.118.1812015-07-25 → 2016-03-13 · 4 obs

● 2015-07-25 16:32:44
● 2016-03-13 01:41:26
○ 2016-07-12 05:06:58
○ 2026-04-12 09:07:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
promosolution.de	cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info	-

✅ Authoritative Response

Server:109.237.142.8

NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for promosolution.de (unsigned zone)

⏱️ Timing

Total: 1017ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.9.137.36`
NS	3	`cns3.alfahosting.info, cns2.alfahosting.info...`
MX	2	`mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10)`
SOA	1	`cns1.alfahosting.info hostmaster@alfahos`

Analysis

Hierarchy

promosolution.de is parent of www.promosolution.de and mail.promosolution.de.

IP Addresses

promosolution.de resolves to a single IP address: 176.9.137.36.

Other host names including www.blue-p.werbeartikel-webshop.de, mail.schroeter.de, www.giveaway.werbeartikel-webshop.de, paulplus.de and mail.presenta-shop.de share IP numbers with promosolution.de.

Name Servers

promosolution.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

promosolution.de at least partially shares name servers with other domains, including kulturbegeistert.at, neise-rahden.de, 25punkt1.de, gestalttext.de and blog-welt.com.

Host names with two IP numbers:

cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8

cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105

cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8

Mail Servers

promosolution.de is handled by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.

promosolution.de shares its mail server setup with other domains, including submarine.de, domaincheck.computer, 2w10.de, hvd-bielefeld.de and hausgeraeteservice.com.

Host names with two IPs:

mx03.secure-mailgate.com points to: 46.243.88.174 and 46.243.88.176

mx04.secure-mailgate.com points to: 46.243.88.175 and 46.243.88.177

promosolution.de - robtex.com