`katrinhelling.de`

DNSSEC	⚠️ Not signed
A	81.88.34.47^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host278.alfahosting-server.de`
NS	`ns1.ashleyserver.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	`ns1.ashleyserver.de`domain-support@a-gentur.de 2026-02-03 #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=1775938194

Subdomains

mx0.katrinhelling.de

DNS History

14 records (7 active, 7 former)

●NScns1.alfahosting.info2019-03-07 → 2026-04-11 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
● 2026-04-11 20:11:54

●NScns2.alfahosting.info2019-03-07 → 2026-04-11 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
● 2026-04-11 20:11:54

●NScns3.alfahosting.info2019-03-07 → 2026-04-11 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
● 2026-04-11 20:11:54

●NSns1.ashleyserver.de2019-03-07 → 2026-04-11 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
● 2026-04-11 20:11:54

○NSns1.hans.hosteurope.de2015-07-20 → 2016-09-09 · 4 obs

● 2015-07-20 19:19:14
● 2016-09-09 23:40:22
○ 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

○NSns2.hans.hosteurope.de2015-07-20 → 2016-09-09 · 4 obs

● 2015-07-20 19:19:14
● 2016-09-09 23:40:22
○ 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

○MXmail.katrinhelling.de2019-03-07 → 2019-03-07 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

○MXmx0.katrinhelling.de2015-07-20 → 2016-09-09 · 4 obs

● 2015-07-20 19:19:14
● 2016-09-09 23:40:22
○ 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

●MXmx03.secure-mailgate.com2026-04-11 → 2026-04-11 · 2 obs

○ 2019-03-07 02:21:26
● 2026-04-11 20:11:54

●MXmx04.secure-mailgate.com2026-04-11 → 2026-04-11 · 2 obs

○ 2019-03-07 02:21:26
● 2026-04-11 20:11:54

○A109.237.140.132019-03-07 → 2019-03-07 · 3 obs

○ 2016-09-09 23:40:22
● 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

○A2a01:488:42:1000:50ed:8457:ffc6:749a2015-07-20 → 2016-09-09 · 4 obs

● 2015-07-20 19:19:14
● 2016-09-09 23:40:22
○ 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

○A80.237.132.872015-07-20 → 2016-09-09 · 4 obs

● 2015-07-20 19:19:14
● 2016-09-09 23:40:22
○ 2019-03-07 02:21:26
○ 2026-04-11 20:11:54

●A81.88.34.472026-04-11 → 2026-04-11 · 2 obs

○ 2019-03-07 02:21:26
● 2026-04-11 20:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
katrinhelling.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 katrinhelling.de (unsigned zone)

⏱️ Timing

Total: 988ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.47`
NS	3	`cns2.alfahosting.info, cns1.alfahosting.info...`
MX	2	`mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10)`
SOA	1	`ns1.ashleyserver.de domain-support.a-gen`

Analysis

Hierarchy

The parent of mx0.katrinhelling.de is katrinhelling.de.

IP Addresses

katrinhelling.de points to an IP address: 81.88.34.47.

other host names include waechti.de, mail.weingut-schachinger.at, florianhaenle.de, mail.iso800.de and fcg-meran.com; they share IP numbers with katrinhelling.de.

Name Servers

katrinhelling.de delegates to four name servers: ns1.ashleyserver.de, cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

katrinhelling.de at least partially shares name servers with other domains, for instance jazzandmilk.com, ferienhaus-blankenese.de, wr-hey.de, physiotherapie-leeden.de and hausservice-nord.de.

These name servers are commonly used alongside ns10.alfahosting.info, ns8.alfahosting.info and ns9.alfahosting.info.

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

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

katrinhelling.de uses the same mail server setup as other domains, for instance kurtz-detektei-bremen.de, sicherheitsfachgeschaefte.de, israelmalanders.de, fbsh.de and dieschubis.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.

katrinhelling.de - robtex.com