`nexus-security.de`

DNSSEC	⚠️ Not signed
A	81.169.157.98^{🇩🇪 STRATO81.169.128.0/17 AG}
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	`mail.nexus-security.de` ⭐
		A	81.169.157.98^{🇩🇪 STRATO81.169.128.0/17 AG}
SOA	`cns1.alfahosting.info`hostmaster@alfahosting.de 2018-04-13 #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=1775993243

Subdomains

mail.nexus-security.de

Same first word

nexus-security.com

nexus-security.eu

nexus-security.de

DNS History

8 records (5 active, 3 former)

●NScns1.alfahosting.info2026-03-23 → 2026-04-12 · 3 obs

○ 2017-10-20 01:24:06
● 2026-03-23 22:57:28
● 2026-04-12 11:50:56

●NScns2.alfahosting.info2026-03-23 → 2026-04-12 · 3 obs

○ 2017-10-20 01:24:06
● 2026-03-23 22:57:28
● 2026-04-12 11:50:56

●NScns3.alfahosting.info2026-03-23 → 2026-04-12 · 3 obs

○ 2017-10-20 01:24:06
● 2026-03-23 22:57:28
● 2026-04-12 11:50:56

○NSns.stratoserver.net2015-05-16 → 2017-10-20 · 4 obs

● 2015-05-16 20:23:42
● 2017-10-20 01:24:06
○ 2026-03-23 22:57:28
○ 2026-04-12 11:50:56

○NSns2.stratoserver.net2015-05-16 → 2017-10-20 · 4 obs

● 2015-05-16 20:23:42
● 2017-10-20 01:24:06
○ 2026-03-23 22:57:28
○ 2026-04-12 11:50:56

●MXmail.nexus-security.de2026-03-23 → 2026-04-12 · 2 obs

● 2026-03-23 22:57:28
● 2026-04-12 11:50:56

●A81.169.157.982026-03-23 → 2026-04-12 · 3 obs

○ 2017-10-20 01:24:06
● 2026-03-23 22:57:28
● 2026-04-12 11:50:56

○A85.214.46.1012015-05-16 → 2016-11-30 · 4 obs

● 2015-05-16 20:23:42
● 2016-11-30 01:33:36
○ 2017-10-20 01:24:06
○ 2026-04-12 11:50:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.142.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nexus-security.de (unsigned zone)

⏱️ Timing

Total: 1100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.157.98`
NS	3	`cns1.alfahosting.info, cns3.alfahosting.info...`
MX	1	`mail.nexus-security.de (pri: 10)`
SOA	1	`cns1.alfahosting.info hostmaster.alfahos`

Analysis

Hierarchy

nexus-security.de is a parent of mail.nexus-security.de.

IP Addresses

nexus-security.de points to a single IP number: 81.169.157.98.

Other host names, for instance mail.nexus-security.de, share IP numbers with nexus-security.de.

Name Servers

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

nexus-security.de at least partially shares name servers with other domains, for instance surfhostel.de, rastede-touristik.de, webdc.de, codeworx.org and angels-elbnails.de.

These name servers are commonly used with the name servers ns8.alfahosting.info.

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

nexus-security.de is handled by a single mail server, mail.nexus-security.de.

mail.nexus-security.de points to a single IP: 81.169.157.98.

nexus-security.de - robtex.com