`proqr.com`

DNSSEC	🔒 Signed (DS record present)
A	2a01:7c8:bb0f:1da:5054:ff:fef8:ec45^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
A	136.144.162.130^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
NS	`ns0.transip.net` ⭐
		A	2a01:7c8:dddd:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns0.transip.net`
		A	195.135.195.195^{🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.}
			PTR	`ns0.transip.net`
NS	`ns1.transip.nl`
		A	2a01:7c8:7000:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns1.transip.nl`
		A	195.8.195.195^{🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.}
			PTR	`ns1.transip.nl`
NS	`ns2.transip.eu`
		A	2a01:7c8:f:c1f::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns2.transip.eu`
		A	37.97.199.195^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns2.transip.eu`
MX	`proqr-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.proqr.com include:send...`
TXT	`google-site-verification=yADYJPdnE7L1Ob9jN-_8gVPnCu1YGKqvhZOrSixvUO8`
TXT	`mandrill_verify.4j91J5iwBOwLv5Vcg8qhAw`
TXT	`ZOOM_verify_Fj8La07SyiQqMryDFBEDn2`
TXT	`MS=6D28EF4E64BCEBA40DDAFCE17CE6BD4C3FF3F747`
TXT	`openai-domain-verification=dv-vG2LNPmEsyat1OaEx5pMcJ75`
TXT	`docusign=ad791aab-9df2-4ec9-ab67-92827e7c774b`
SOA	`ns0.transip.net`hostmaster@transip.nl 2026-03-25 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774651467

rank #729057 globally
rank #332110 in the tld

Subdomains

ir.proqr.com

Same first word

proqr.nl

proqr.com

proqr.co

proqr.ru

Similar names

qrpro.net

qrpro.co

qrpro.ru

qorrp.com

qrpro.eu

rqpro.com

qrpro.it

qrpro.us

DNS History

18 records (6 active, 12 former)

●NSns0.transip.net2026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

○NSns1.argewebhosting.eu2026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 23:13:32

●NSns1.transip.nl2026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

○NSns1.widexs.nl2015-06-02 → 2017-04-02 · 3 obs

● 2015-06-02 15:53:30
● 2017-04-02 12:07:54
○ 2026-03-27 23:13:32

○NSns2.argewebhosting.com2026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 23:13:32

●NSns2.transip.eu2026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

○NSns2.widexs.net2015-06-02 → 2017-04-02 · 3 obs

● 2015-06-02 15:53:30
● 2017-04-02 12:07:54
○ 2026-03-27 23:13:32

○NSns3.argewebhosting.nl2026-03-27 → 2026-03-27 · 1 obs

○ 2026-03-27 23:13:32

○NSns3.widexs.nl2015-06-02 → 2017-04-02 · 3 obs

● 2015-06-02 15:53:30
● 2017-04-02 12:07:54
○ 2026-03-27 23:13:32

○MXcluster02.mx-relay.com2016-03-11 → 2017-04-02 · 4 obs

○ 2015-12-02 11:44:16
● 2016-03-11 01:02:20
● 2017-04-02 12:07:54
○ 2026-03-27 23:13:32

○MXmail.proqr.com2015-12-02 → 2015-12-02 · 4 obs

○ 2015-10-27 08:19:22
● 2015-12-02 11:44:16
○ 2016-03-11 01:02:20
○ 2026-03-27 23:13:32

○MXmx01.hostedxchange.nl2015-06-02 → 2015-10-27 · 4 obs

● 2015-06-02 15:53:30
● 2015-10-27 08:19:22
○ 2015-12-02 11:44:16
○ 2026-03-27 23:13:32

○MXmx02.hostedxchange.nl2015-06-02 → 2015-10-27 · 4 obs

● 2015-06-02 15:53:30
● 2015-10-27 08:19:22
○ 2015-12-02 11:44:16
○ 2026-03-27 23:13:32

○MXmx03.hostedxchange.nl2015-06-02 → 2015-06-02 · 3 obs

● 2015-06-02 15:53:30
○ 2015-10-27 08:19:22
○ 2026-03-27 23:13:32

●MXproqr-com.mail.protection.outlook.com2026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

●A136.144.162.1302026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

○A213.206.69.2522015-06-02 → 2017-04-02 · 3 obs

● 2015-06-02 15:53:30
● 2017-04-02 12:07:54
○ 2026-03-27 23:13:32

●A2a01:7c8:bb0f:1da:5054:ff:fef8:ec452026-03-27 → 2026-03-27 · 2 obs

○ 2017-04-02 12:07:54
● 2026-03-27 23:13:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
proqr.com	ns1.transip.nl, ns0.transip.net, ns2.transip.eu	-

✅ Authoritative Response

Server:37.97.199.195

NS records: ns1.transip.nl, ns0.transip.net, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.144.162.130`
AAAA	1	`2a01:7c8:bb0f:1da:5054:ff:fef8:ec45`
NS	3	`ns0.transip.net, ns2.transip.eu...`
MX	1	`proqr-com.mail.protection.outlook.com (p`
TXT	7	`mandrill_verify.4j91J5iwBOwLv5Vcg8qhAw, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns0.transip.net hostmaster.transip.nl`

Analysis

Hierarchy

The parent of ir.proqr.com is proqr.com.

IP Addresses

proqr.com points to two IP numbers: 2a01:7c8:bb0f:1da:5054:ff:fef8:ec45 and 136.144.162.130.

Other host names, for instance ir.proqr.com and 136-144-162-130.colo.transip.net, share IP numbers with proqr.com.

Name Servers

The domain proqr.com is delegated to three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

proqr.com shares name servers with other domains at least partially, for instance mycs.nl, peterjoustra.com, instawall.it, 3ml.nl and spinestrategy.nl.