`proft-isoliersysteme.de`

DNSSEC	⚠️ Not signed
A	81.88.34.241^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host230.alfahosting-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 2026-01-23 #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=1774652469

Subdomains

mail.proft-isoliersysteme.de

DNS History

8 records (6 active, 2 former)

●NScns1.alfahosting.info2015-07-11 → 2026-03-27 · 2 obs

● 2015-07-11 07:03:08
● 2026-03-27 23:30:20

●NScns2.alfahosting.info2015-07-11 → 2026-03-27 · 2 obs

● 2015-07-11 07:03:08
● 2026-03-27 23:30:20

●NScns3.alfahosting.info2015-07-11 → 2026-03-27 · 2 obs

● 2015-07-11 07:03:08
● 2026-03-27 23:30:20

○MXmail.proft-isoliersysteme.de2015-07-11 → 2020-01-09 · 3 obs

● 2015-07-11 07:03:08
● 2020-01-09 03:14:54
○ 2026-03-27 23:30:20

●MXmx03.secure-mailgate.com2026-03-27 → 2026-03-27 · 2 obs

○ 2020-01-09 03:14:54
● 2026-03-27 23:30:20

●MXmx04.secure-mailgate.com2026-03-27 → 2026-03-27 · 2 obs

○ 2020-01-09 03:14:54
● 2026-03-27 23:30:20

○A109.237.138.342015-07-11 → 2020-01-09 · 3 obs

● 2015-07-11 07:03:08
● 2020-01-09 03:14:54
○ 2026-03-27 23:30:20

●A81.88.34.2412026-03-27 → 2026-03-27 · 2 obs

○ 2020-01-09 03:14:54
● 2026-03-27 23:30:20

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proft-isoliersysteme.de (unsigned zone)

⏱️ Timing

Total: 1082ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.241`
NS	3	`cns3.alfahosting.info, cns1.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

proft-isoliersysteme.de is a parent of mail.proft-isoliersysteme.de.

IP Addresses

proft-isoliersysteme.de points to a single IP number: 81.88.34.241.

Other host names, for instance mail.moritz-kita.de, wehrle-johnson.com, jenskelkel.com, endodontie-norderstedt.de and mail.sandra-fuchs.de share IP numbers with proft-isoliersysteme.de.

Name Servers

The delegation for proft-isoliersysteme.de is handled by three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

proft-isoliersysteme.de at least partially shares name servers with other domains, for instance starnberg-web.de, vostok-domains.de, torfvertrieb.de, ferozaclub.com and gartentipps-fachberater.de.

These name servers are commonly used with the name servers ns1.vostok-domains.de.

Two IP numbers per host:

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

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

proft-isoliersysteme.de uses the same mail server configuration as other domains, such as wup-infos.de, toleranceshirt.com, wenda.de, takefour.de and ibclaus.de.

Host names with two IP numbers: 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.

proft-isoliersysteme.de - robtex.com