prosoftware.nl - dns.ninja

`prosoftware.nl`

DNSSEC	🔒 Signed (DS record present)
A	81.171.10.70^{🇳🇱 LEASEWEB-NL-AMS-0181.171.0.0/19}
		PTR	`mailrelay.prosoftware.nl`
NS	`nsauth1.bit.nl` ⭐
		A	2001:7b8:3:2c::53^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`nsauth1.bit.nl`
		A	213.136.12.51^{🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.}
			PTR	`nsauth1.bit.nl`
NS	`nsauth2.bit.nl`
		A	2001:7b8:3:2d::53^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`nsauth2.bit.nl`
		A	213.136.12.59^{🇳🇱 NL-BIT213.136.0.0/19 BIT B.V.}
			PTR	`nsauth2.bit.nl`
NS	`nsauth3.bitnl.eu`
		A	2001:1af8:4700:a119:16:0:8517:1588^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	85.17.15.88^{🇳🇱 LEASEWEB-NL-AMS-0185.17.0.0/16 LEASEWEB}
			PTR	`nsauth3.bit.org`
MX	`prosoftware-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`google-site-verification=bY7k_wqFyjoDrem0vg_uulRu1n1pDaJd0Gm39tOBhDo`
TXT	`v=spf1 include:spf.prosoftware.nl include:spf.protection.outlook.com include:...`
TXT	`MS=ms19138345`
SOA	`nsauth1.bit.nl`hostmaster@bit.nl 2026-07-28 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-04 05:30:01 +0000 (EPOCH 1785821401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-04 #11

WOT: SAFE (70/100)

Subdomains

mail.prosoftware.nl

www.prosoftware.nl

mailrelay.prosoftware.nl

Same first word

prosoftware.be

prosoftware.com

prosoftware.se

prosoftware.net

prosoftware.ro

prosoftware.com.br

prosoftware.org.mx

prosoftware.eu

prosoftware.nl

prosoftware.network

prosoftware.info

prosoftware.pl

prosoftware.co.nz

prosoftware.de

prosoftware.jp

prosoftware.org

Similar names

DNS History

12 records (5 active, 7 former)

○NSns1.onward.nl2015-08-18 → 2017-05-17 · 4 obs

● 2015-08-18 00:58:04
● 2017-05-17 04:40:08
○ 2026-03-19 18:19:56
○ 2026-08-04 06:18:00

○NSns2.onward.nl2015-08-18 → 2017-05-17 · 4 obs

● 2015-08-18 00:58:04
● 2017-05-17 04:40:08
○ 2026-03-19 18:19:56
○ 2026-08-04 06:18:00

○NSns3.onward.nl2015-08-18 → 2017-05-17 · 4 obs

● 2015-08-18 00:58:04
● 2017-05-17 04:40:08
○ 2026-03-19 18:19:56
○ 2026-08-04 06:18:00

●NSnsauth1.bit.nl2026-03-19 → 2026-08-04 · 3 obs

○ 2017-05-17 04:40:08
● 2026-03-19 18:19:56
● 2026-08-04 06:18:00

●NSnsauth2.bit.nl2026-03-19 → 2026-08-04 · 3 obs

○ 2017-05-17 04:40:08
● 2026-03-19 18:19:56
● 2026-08-04 06:18:00

○NSnsauth3.bit.org2026-03-19 → 2026-04-02 · 5 obs

○ 2017-05-17 04:40:08
● 2026-03-19 18:19:56
● 2026-04-02 11:06:16
○ 2026-07-12 20:24:22
○ 2026-08-04 06:18:00

●NSnsauth3.bitnl.eu2026-07-12 → 2026-08-04 · 3 obs

○ 2026-04-02 11:06:16
● 2026-07-12 20:24:22
● 2026-08-04 06:18:00

○MXfilter.onward.nl2015-08-18 → 2017-05-17 · 4 obs

● 2015-08-18 00:58:04
● 2017-05-17 04:40:08
○ 2026-03-19 18:19:56
○ 2026-08-04 06:18:00

●MXprosoftware-nl.mail.protection.outlook.com2026-03-19 → 2026-08-04 · 3 obs

○ 2017-05-17 04:40:08
● 2026-03-19 18:19:56
● 2026-08-04 06:18:00

○A31.3.99.1492015-08-18 → 2016-05-24 · 4 obs

● 2015-08-18 00:58:04
● 2016-05-24 11:44:54
○ 2017-05-17 04:40:08
○ 2026-08-04 06:18:00

○A79.170.95.342017-05-17 → 2017-05-17 · 4 obs

○ 2016-05-24 11:44:54
● 2017-05-17 04:40:08
○ 2026-03-19 18:19:56
○ 2026-08-04 06:18:00

●A81.171.10.702026-03-19 → 2026-08-04 · 3 obs

○ 2017-05-17 04:40:08
● 2026-03-19 18:19:56
● 2026-08-04 06:18:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
prosoftware.nl	nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu	4 records

✅ Authoritative Response

Server:213.136.12.51

NS records: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.171.10.70`
NS	3	`nsauth1.bit.nl, nsauth3.bitnl.eu...`
MX	1	`prosoftware-nl.mail.protection.outlook.c`
TXT	3	`google-site-verification=bY7k_wqFyjoDrem, v=spf1 include:spf.prosoftware.nl includ...`
SOA	1	`nsauth1.bit.nl hostmaster.bit.nl`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsauth1.bit.nl, nsauth1.bit.nl, nsauth2.bit.nl...)

Analysis

Hierarchy

mail.prosoftware.nl, www.prosoftware.nl and mailrelay.prosoftware.nl are all subdomains of prosoftware.nl.

IP Addresses

prosoftware.nl resolves to just one IP address, 81.171.10.70.

Two other host names, along with uwvragenlijst.nl, www.prosoftware.nl and mailrelay.prosoftware.nl, also share IP numbers with prosoftware.nl.

Name Servers

prosoftware.nl has three name servers — nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl.

The name servers of prosoftware.nl overlap at least partially with those of other domains — among them magiel.nl, etendebaas.nl, 43.251.87.in-addr.arpa and two more.

These name servers commonly appear in combination with the name servers nsauth3.bit.org.

Each of nsauth3.bitnl.eu, nsauth1.bit.nl and nsauth2.bit.nl points to two IP numbers. nsauth3.bitnl.eu points to 85.17.15.88 and 2001:1af8:4700:a119:16:0:8517:1588. nsauth1.bit.nl points to 213.136.12.51 and 2001:7b8:3:2c::53. nsauth2.bit.nl points to 213.136.12.59 and 2001:7b8:3:2d::53.

Mail Servers

The sole mail server for prosoftware.nl is prosoftware-nl.mail.protection.outlook.com.

With 8 IP addresses total, prosoftware-nl.mail.protection.outlook.com resolves to 52.101.68.12, 52.101.68.27, 52.101.73.6 and 5 others.