tec5.de - dns.ninja

`tec5.de`

DNSSEC	⚠️ Not signed
A	81.88.34.137^{🇩🇪 CLOUDPIT81.88.32.0/20}
		PTR	`host185.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	`tec5-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
MX	`mail.tec5.de`⁽¹⁰⁾
		A	81.88.34.137^{🇩🇪 CLOUDPIT81.88.32.0/20}
			PTR	`host185.alfahosting-server.de`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting@de 2026-07-14 #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=1786262234

Subdomains

gateway.tec5.de

mail.tec5.de

Same first word

tec5.com

tec5.kharkov.ua

tec5.de

tec5.info

tec5.by

tec5.com.au

Similar names

ect5.com

5tec.net

5tec.co.jp

etc5.com.vn

etc5.com

5tec.jp

5cet.com

5etc.cn

5tec.de

DNS History

12 records (6 active, 6 former)

●NScns1.alfahosting.info2026-02-14 → 2026-08-09 · 3 obs

○ 2018-09-02 05:16:20
● 2026-02-14 19:18:04
● 2026-08-09 07:57:58

●NScns2.alfahosting.info2026-02-14 → 2026-08-09 · 3 obs

○ 2018-09-02 05:16:20
● 2026-02-14 19:18:04
● 2026-08-09 07:57:58

●NScns3.alfahosting.info2026-02-14 → 2026-08-09 · 3 obs

○ 2018-09-02 05:16:20
● 2026-02-14 19:18:04
● 2026-08-09 07:57:58

○NSns.werbeagentur-aufwind.de2015-06-18 → 2018-09-02 · 4 obs

● 2015-06-18 15:55:30
● 2018-09-02 05:16:20
○ 2026-02-14 19:18:04
○ 2026-08-09 07:57:58

○NSns2.werbeagentur-aufwind.de2015-06-18 → 2018-09-02 · 4 obs

● 2015-06-18 15:55:30
● 2018-09-02 05:16:20
○ 2026-02-14 19:18:04
○ 2026-08-09 07:57:58

○MXmail.aufwind-solutions.de2015-06-18 → 2018-09-02 · 4 obs

● 2015-06-18 15:55:30
● 2018-09-02 05:16:20
○ 2026-02-14 19:18:04
○ 2026-08-09 07:57:58

●MXmail.tec5.de2015-06-18 → 2026-08-09 · 2 obs

● 2015-06-18 15:55:30
● 2026-08-09 07:57:58

●MXtec5-com.mail.protection.outlook.com2026-02-14 → 2026-08-09 · 3 obs

○ 2018-09-02 05:16:20
● 2026-02-14 19:18:04
● 2026-08-09 07:57:58

○A138.201.78.702018-09-02 → 2018-09-02 · 4 obs

○ 2016-09-04 00:59:10
● 2018-09-02 05:16:20
○ 2026-02-14 19:18:04
○ 2026-08-09 07:57:58

○A78.46.132.502015-06-18 → 2016-04-26 · 4 obs

● 2015-06-18 15:55:30
● 2016-04-26 02:07:52
○ 2016-09-04 00:59:10
○ 2026-08-09 07:57:58

●A81.88.34.1372026-02-14 → 2026-08-09 · 3 obs

○ 2018-09-02 05:16:20
● 2026-02-14 19:18:04
● 2026-08-09 07:57:58

○A88.198.144.962016-09-04 → 2016-09-04 · 4 obs

○ 2016-04-26 02:07:52
● 2016-09-04 00:59:10
○ 2018-09-02 05:16:20
○ 2026-08-09 07:57:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
tec5.de	cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info	-

✅ Authoritative Response

Server:109.237.142.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tec5.de (unsigned zone)

⏱️ Timing

Total: 1146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.88.34.137`
NS	3	`cns2.alfahosting.info, cns3.alfahosting.info...`
MX	2	`mail.tec5.de (pri: 10), tec5-com.mail.protection.outlook.com (pr`
SOA	1	`cns1.alfahosting.info hostmaster@alfahos`

Analysis

Hierarchy

tec5.de serves as the parent of gateway.tec5.de and mail.tec5.de.

IP Addresses

tec5.de has exactly one IP address — 81.88.34.137.

mail.frankonia-hd.de, debax.de, mx0.270269.de plus two other host names have IP numbers in common with tec5.de.

Name Servers

tec5.de has three name servers — cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

There is at least partial name server overlap between tec5.de and other domains — coloratorium.de, lastis.de, mimo-berlin.de and two more among them.

Each of cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info points to two IP numbers. cns1.alfahosting.info points to 109.237.142.8 and 2a01:64c0:0:5000::8. cns2.alfahosting.info points to 148.251.254.105 and 2a01:4f8:2b02:a88::105. cns3.alfahosting.info points to 109.237.143.8 and 2a02:2b80:101:5000::8.

Mail Servers

tec5.de uses two mail servers, mail.tec5.de and tec5-com.mail.protection.outlook.com.

tec5.de and other domains — tec5.com for instance — share at least some mail servers.

Hosts with 8 IP addresses each:

tec5-com.mail.protection.outlook.com points to 52.101.68.25, 52.101.68.32, 52.101.73.4 and 5 other IP addresses.

Host names resolving to a single IP address:

mail.tec5.de resolves to 81.88.34.137.