`roberthofmann.de`

DNSSEC	⚠️ Not signed
A	81.88.34.180^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host172.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 2026-01-13 #1

`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=1786080779

Subdomains

mail.roberthofmann.de

Same first word

roberthofmann.de

roberthofmann.com

DNS History

8 records (6 active, 2 former)

●NScns1.alfahosting.info2015-06-14 → 2026-08-07 · 2 obs

● 2015-06-14 12:45:32
● 2026-08-07 06:08:06

●NScns2.alfahosting.info2015-06-14 → 2026-08-07 · 2 obs

● 2015-06-14 12:45:32
● 2026-08-07 06:08:06

●NScns3.alfahosting.info2015-06-14 → 2026-08-07 · 2 obs

● 2015-06-14 12:45:32
● 2026-08-07 06:08:06

○MXmail.roberthofmann.de2015-06-14 → 2017-09-01 · 4 obs

● 2015-06-14 12:45:32
● 2017-09-01 14:07:22
○ 2026-05-04 08:02:52
○ 2026-08-07 06:08:06

●MXmx03.secure-mailgate.com2026-05-04 → 2026-08-07 · 3 obs

○ 2017-09-01 14:07:22
● 2026-05-04 08:02:52
● 2026-08-07 06:08:06

●MXmx04.secure-mailgate.com2026-05-04 → 2026-08-07 · 3 obs

○ 2017-09-01 14:07:22
● 2026-05-04 08:02:52
● 2026-08-07 06:08:06

○A109.237.140.202015-06-14 → 2017-09-01 · 4 obs

● 2015-06-14 12:45:32
● 2017-09-01 14:07:22
○ 2026-05-04 08:02:52
○ 2026-08-07 06:08:06

●A81.88.34.1802026-05-04 → 2026-08-07 · 3 obs

○ 2017-09-01 14:07:22
● 2026-05-04 08:02:52
● 2026-08-07 06:08:06

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.142.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for roberthofmann.de (unsigned zone)

⏱️ Timing

Total: 1025ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.180`
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

The domain mail.roberthofmann.de falls under the parent roberthofmann.de.

IP Addresses

roberthofmann.de points to a single IP number: 81.88.34.180.

Additional host names — mail.bsv-ottenstein.de, xn--fhrerscheinkurs-zvb.de, cud-austria.at and two others — share IP numbers with roberthofmann.de.

Name Servers

roberthofmann.de carries NS records delegating to cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

At least some of roberthofmann.de's name servers are shared with other domains, for example wasserleonburg.at, aw-marine.com, jenkhaneh.com and two more.

cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info are three hostnames that each resolve to a pair of IP addresses: cns1.alfahosting.info to 109.237.142.8 and 2a01:64c0:0:5000::8, cns2.alfahosting.info to 148.251.254.105 and 2a01:4f8:2b02:a88::105, and cns3.alfahosting.info to 109.237.143.8 and 2a02:2b80:101:5000::8.

Mail Servers

roberthofmann.de has two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.

roberthofmann.de shares the same mail server setup as other domains, including bijani.org, artext.fi, thermomanagement.com and two others.

mx03.secure-mailgate.com and mx04.secure-mailgate.com both carry two IP addresses. The A records for mx03.secure-mailgate.com are 46.243.88.174 and 46.243.88.176; the A records for mx04.secure-mailgate.com are 46.243.88.175 and 46.243.88.177.

roberthofmann.de - robtex.com