smart-engineering.eu - dns.ninja

`smart-engineering.eu`

DNSSEC	⚠️ Not signed
A	81.88.34.82^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host267.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 2026-07-02 #2

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1126931521

Subdomains

mail.smart-engineering.eu

Same first word

smart-engineering.it

smart-engineering.at

smart-engineering.info

smart-engineering.net

smart-engineering.com

smart-engineering.nl

smart-engineering.jp

smart-engineering.de

smart-engineering.eu

DNS History

15 records (6 active, 9 former)

●NScns1.alfahosting.info2020-02-21 → 2026-08-10 · 3 obs

○ 2017-02-18 14:01:18
● 2020-02-21 04:09:38
● 2026-08-10 11:43:56

●NScns2.alfahosting.info2020-02-21 → 2026-08-10 · 3 obs

○ 2017-02-18 14:01:18
● 2020-02-21 04:09:38
● 2026-08-10 11:43:56

●NScns3.alfahosting.info2020-02-21 → 2026-08-10 · 3 obs

○ 2017-02-18 14:01:18
● 2020-02-21 04:09:38
● 2026-08-10 11:43:56

○NSns.namespace4you.de2015-07-26 → 2017-02-18 · 4 obs

● 2015-07-26 14:53:02
● 2017-02-18 14:01:18
○ 2020-02-21 04:09:38
○ 2026-08-10 11:43:56

○NSns2.namespace4you.de2015-07-26 → 2017-02-18 · 4 obs

● 2015-07-26 14:53:02
● 2017-02-18 14:01:18
○ 2020-02-21 04:09:38
○ 2026-08-10 11:43:56

○MXmail.smart-engineering.eu2020-02-21 → 2020-02-21 · 4 obs

○ 2017-02-18 14:01:18
● 2020-02-21 04:09:38
○ 2026-06-08 11:18:02
○ 2026-08-10 11:43:56

●MXmx03.secure-mailgate.com2026-06-08 → 2026-08-10 · 3 obs

○ 2020-02-21 04:09:38
● 2026-06-08 11:18:02
● 2026-08-10 11:43:56

●MXmx04.secure-mailgate.com2026-06-08 → 2026-08-10 · 3 obs

○ 2020-02-21 04:09:38
● 2026-06-08 11:18:02
● 2026-08-10 11:43:56

○MXmxlb.ispgateway.de2015-07-26 → 2017-02-18 · 4 obs

● 2015-07-26 14:53:02
● 2017-02-18 14:01:18
○ 2020-02-21 04:09:38
○ 2026-08-10 11:43:56

○A109.237.138.112020-02-21 → 2020-02-21 · 4 obs

○ 2017-02-18 14:01:18
● 2020-02-21 04:09:38
○ 2026-06-08 11:18:02
○ 2026-08-10 11:43:56

○A134.119.253.492017-02-18 → 2017-02-18 · 4 obs

○ 2016-06-25 04:59:00
● 2017-02-18 14:01:18
○ 2020-02-21 04:09:38
○ 2026-08-10 11:43:56

○A2a00:1158:0:300:d234::12015-07-26 → 2016-06-25 · 4 obs

● 2015-07-26 14:53:02
● 2016-06-25 04:59:00
○ 2017-02-18 14:01:18
○ 2026-08-10 11:43:56

○A2a00:1158:300::6312017-02-18 → 2017-02-18 · 4 obs

○ 2016-06-25 04:59:00
● 2017-02-18 14:01:18
○ 2020-02-21 04:09:38
○ 2026-08-10 11:43:56

○A80.67.28.2222015-07-26 → 2016-06-25 · 4 obs

● 2015-07-26 14:53:02
● 2016-06-25 04:59:00
○ 2017-02-18 14:01:18
○ 2026-08-10 11:43:56

●A81.88.34.822026-06-08 → 2026-08-10 · 3 obs

○ 2020-02-21 04:09:38
● 2026-06-08 11:18:02
● 2026-08-10 11:43:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	x.dns.eu, be.dns.eu, w.dns.eu, y.dns.eu...	-
smart-engineering.eu	cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info	-

✅ Authoritative Response

Server:109.237.143.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart-engineering.eu (unsigned zone)

⏱️ Timing

Total: 2288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.82`
NS	3	`cns2.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.smart-engineering.eu falls under the parent smart-engineering.eu.

IP Addresses

smart-engineering.eu points to a single IP number: 81.88.34.82.

Additional host names — smart-fem.de, piano-fies.de, mail.herzriese.com and two others — share IP numbers with smart-engineering.eu.

Name Servers

smart-engineering.eu is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

At least some of smart-engineering.eu's name servers are shared with other domains, for example laroli.de, kontrastprogramm.info, mengel-web.de and two more.

It is common for these name servers to be used in conjunction with the name servers ns10.alfahosting.info, ns8.alfahosting.info and ns9.alfahosting.info.

cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info each resolve to two IP addresses: cns1.alfahosting.info resolves to 109.237.142.8 and 2a01:64c0:0:5000::8; cns2.alfahosting.info resolves to 148.251.254.105 and 2a01:4f8:2b02:a88::105; cns3.alfahosting.info resolves to 109.237.143.8 and 2a02:2b80:101:5000::8.

Mail Servers

smart-engineering.eu has two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.

smart-engineering.eu shares the same mail server setup as other domains, including forum-zivilgesellschaft.at, feuerwehr-bienenbuettel.de, inkasso-boutique.com and two others.

smart-engineering.eu overlaps on mail servers with certain other domains, db-a.de among them.

mx03.secure-mailgate.com and mx04.secure-mailgate.com each resolve to two IP addresses: mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176, while mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.