testsysteme.de - dns.ninja

`testsysteme.de`

DNSSEC	⚠️ Not signed
A	213.9.28.101^{🇩🇪 NCORE-AS213.9.0.0/17 HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany}
NS	`ns-1830.awsdns-36.co.uk` ⭐
		A	2600:9000:5307:2600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1830.awsdns-36.co.uk`
		A	205.251.199.38^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1830.awsdns-36.co.uk`
NS	`ns-1268.awsdns-30.org`
		A	2600:9000:5304:f400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1268.awsdns-30.org`
		A	205.251.196.244^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1268.awsdns-30.org`
NS	`ns-55.awsdns-06.com`
		A	2600:9000:5300:3700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-55.awsdns-06.com`
		A	205.251.192.55^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-55.awsdns-06.com`
NS	`ns-989.awsdns-59.net`
		A	2600:9000:5303:dd00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-989.awsdns-59.net`
		A	205.251.195.221^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-989.awsdns-59.net`
MX	`testsysteme-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
TXT	`MS=ms38785953`
TXT	`atlassian-domain-verification=DR2vrV49Qat8MPv3dfDvqaQYK/e/d76Xenx0CLpZmxK4Vlt...`
TXT	`google-site-verification=qs7A7UOD8js3JEhMQB5iHnUEzmAqzbSw_hypix7PI8s`
TXT	`v=spf1 mx a ip4:185.8.10.185 ip4:212.46.114.124 ip4:217.91.40.23 include:spf....`
SOA	`ns-1830.awsdns-36.co.uk`awsdns-hostmaster@amazon.com serial=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=1785597982

PTR for

97.28.9.213.in-addr.arpa

Subdomains

mx01.testsysteme.de

mail2.testsysteme.de

mail1.testsysteme.de

Same first word

testsysteme.ch

testsysteme.de

Similar names

etestsystem.com

DNS History

8 records (6 active, 2 former)

●NSns-1268.awsdns-30.org2015-05-26 → 2026-08-01 · 2 obs

● 2015-05-26 01:24:20
● 2026-08-01 15:35:20

●NSns-1830.awsdns-36.co.uk2015-05-26 → 2026-08-01 · 2 obs

● 2015-05-26 01:24:20
● 2026-08-01 15:35:20

●NSns-55.awsdns-06.com2015-05-26 → 2026-08-01 · 2 obs

● 2015-05-26 01:24:20
● 2026-08-01 15:35:20

●NSns-989.awsdns-59.net2015-05-26 → 2026-08-01 · 2 obs

● 2015-05-26 01:24:20
● 2026-08-01 15:35:20

○MXmail1.testsysteme.de2015-05-26 → 2017-10-28 · 4 obs

● 2015-05-26 01:24:20
● 2017-10-28 22:59:24
○ 2026-03-07 23:14:20
○ 2026-08-01 15:35:20

○MXmail2.u-form.de2015-05-26 → 2017-10-28 · 4 obs

● 2015-05-26 01:24:20
● 2017-10-28 22:59:24
○ 2026-03-07 23:14:20
○ 2026-08-01 15:35:20

●MXtestsysteme-de.mail.protection.outlook.com2026-03-07 → 2026-08-01 · 3 obs

○ 2017-10-28 22:59:24
● 2026-03-07 23:14:20
● 2026-08-01 15:35:20

●A213.9.28.1012015-05-26 → 2026-08-01 · 2 obs

● 2015-05-26 01:24:20
● 2026-08-01 15:35:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
testsysteme.de	ns-1268.awsdns-30.org, ns-989.awsdns-59.net, ns-55.awsdns-06.com, ns-1830.awsdns-36.co.uk	-

✅ Authoritative Response

Server:205.251.199.38

NS records: ns-1268.awsdns-30.org, ns-989.awsdns-59.net, ns-55.awsdns-06.com, ns-1830.awsdns-36.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for testsysteme.de (unsigned zone)

⏱️ Timing

Total: 836ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.9.28.101`
NS	4	`ns-1268.awsdns-30.org, ns-1830.awsdns-36.co.uk...`
MX	1	`testsysteme-de.mail.protection.outlook.c`
TXT	4	`MS=ms38785953, atlassian-domain-verification=DR2vrV49Qa...`
SOA	1	`ns-1830.awsdns-36.co.uk awsdns-hostmaste`

Analysis

Hierarchy

testsysteme.de sits above mx01.testsysteme.de, mail2.testsysteme.de and mail1.testsysteme.de in the domain hierarchy.

IP Addresses

testsysteme.de directs to one IP number, which is 213.9.28.101.

Further host names like azubinavi.de and mail2.testsysteme.de overlap in IP numbers with testsysteme.de.

Name Servers

The domain testsysteme.de is delegated to these four name servers: ns-55.awsdns-06.com, ns-989.awsdns-59.net, ns-1268.awsdns-30.org and ns-1830.awsdns-36.co.uk.

There is at least partial name server overlap between testsysteme.de and other domains — rudyhub.com, mailairnz.com, ltauditor.com and two more among them.

All four hostnames — ns-55.awsdns-06.com, ns-989.awsdns-59.net, ns-1268.awsdns-30.org and ns-1830.awsdns-36.co.uk — resolve to two IP numbers apiece: ns-55.awsdns-06.com to 205.251.192.55 and 2600:9000:5300:3700::1; ns-989.awsdns-59.net to 205.251.195.221 and 2600:9000:5303:dd00::1; ns-1268.awsdns-30.org to 205.251.196.244 and 2600:9000:5304:f400::1; ns-1830.awsdns-36.co.uk to 205.251.199.38 and 2600:9000:5307:2600::1.

Mail Servers

testsysteme.de routes its mail through a single mail server, testsysteme-de.mail.protection.outlook.com.

testsysteme-de.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.10, 52.101.68.16 and 52.101.68.29, along with 5 other.