`test.ralfkoop.de`

DNSSEC	⚠️ Not signed
A	89.246.131.70^{🇩🇪 VERSATEL89.244.0.0/14 Versatel Deutschland}
MX	`mailstore1.secureserver.net` ⭐
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
MX	`ralfkoop-de.mail.protection.outlook.com`⁽⁴⁰⁾
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 mx a include:secureserver.net include:spf.protection.outlook.com ~all`

`ralfkoop.de`

	DNSSEC	⚠️ Not signed
	A	5.104.110.219^{🇩🇪 MYLOC-AS5.104.104.0/21 myLoc managed IT AG}
	NS	`alexandra.ns.cloudflare.com` ⭐
	NS	`jerome.ns.cloudflare.com`
	MX	`mailstore1.secureserver.net` ⭐
	MX	`ralfkoop-de.mail.protection.outlook.com`⁽⁴⁰⁾
	TXT	`MS=ms74681769`
	TXT	`v=spf1 mx include:secureserver.net include:spf.protection.outlook.com ~all`
	SOA	`alexandra.ns.cloudflare.com`dns@cloudflare.com serial=2410181118

Same first word

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test.ro

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test.pe.kr

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ttse.us

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ttse.ir

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test.auto.pl

test.ph

test.ac

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test.bz

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stet.co

sett.eu

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ttse.ru

test.lv

etst.net

etts.ru

test.pl

stet.co.nz

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etst.dk

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estt.org

test.kz

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tset.dk

sett.co

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etts.in

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etts.ie

tets.co.uk

sett.properties

etst.com

tets.cz

etst.at

DNS History

6 records (3 active, 3 former)

●MXmailstore1.secureserver.net2026-04-08 → 2026-07-25 · 3 obs

○ 2016-05-01 02:11:28
● 2026-04-08 02:24:36
● 2026-07-25 08:40:08

○MXmxlb.ispgateway.de2016-02-06 → 2016-05-01 · 5 obs

○ 2015-11-15 07:40:40
● 2016-02-06 16:25:14
● 2016-05-01 02:11:28
○ 2026-04-08 02:24:36
○ 2026-07-25 08:40:08

○MXmxlbpu.ispgateway.de2015-07-17 → 2015-11-15 · 4 obs

● 2015-07-17 01:59:20
● 2015-11-15 07:40:40
○ 2016-02-06 16:25:14
○ 2026-07-25 08:40:08

○MXportal.ralfkoop.de2015-07-17 → 2016-05-01 · 4 obs

● 2015-07-17 01:59:20
● 2016-05-01 02:11:28
○ 2026-04-08 02:24:36
○ 2026-07-25 08:40:08

●MXralfkoop-de.mail.protection.outlook.com2016-02-06 → 2026-07-25 · 3 obs

○ 2015-11-15 07:40:40
● 2016-02-06 16:25:14
● 2026-07-25 08:40:08

●A89.246.131.702015-07-17 → 2026-07-25 · 2 obs

● 2015-07-17 01:59:20
● 2026-07-25 08:40:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
ralfkoop.de	alexandra.ns.cloudflare.com, jerome.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.181

NS records: alexandra.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ralfkoop.de (unsigned zone)

⏱️ Timing

Total: 731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.246.131.70`
MX	2	`mailstore1.secureserver.net (pri: 30), ralfkoop-de.mail.protection.outlook.com`
TXT	1	`v=spf1 mx a include:secureserver.net in`

Analysis

IP Addresses

test.ralfkoop.de resolves to just one IP address, 89.246.131.70.

Mail Servers

test.ralfkoop.de is served by two mail servers, mailstore1.secureserver.net and ralfkoop-de.mail.protection.outlook.com.

Mail server setup for test.ralfkoop.de matches that of other domains, among them ralfkoop.de.

There is at least a partial MX overlap between test.ralfkoop.de and other domains, including acet.us, indiamatrimonial.com, strains360.com and two others.

These mail servers often co-occur with the mail servers smtp.secureserver.net.

DNS names with 8 IP addresses:

ralfkoop-de.mail.protection.outlook.com carries IP addresses 52.101.68.32, 52.101.73.6 and 52.101.73.19, with 5 other addresses beyond those.

Hostnames that map to three IP numbers:

mailstore1.secureserver.net resolves to three addresses: 216.69.141.78, 216.69.141.114 and 216.69.141.162.

test.ralfkoop.de - robtex.com

test.ralfkoop.de

ralfkoop.de