`suntestsystems.com`

DNSSEC	🔒 Signed (DS record present)
A	62.221.194.118^{🇳🇱 CLDIN-NL62.221.192.0/19}
		PTR	`v39376.2is.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.bit.org`
		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	`suntestsystems-com.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::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.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::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`SUNTW`
TXT	`MS=ms53645591`
TXT	`v=spf1 a mx a:mail.suntestsystems.nl ip4:87.213.39.182 ip4:50.223.68.242 incl...`
SOA	`nsauth1.bit.nl`hostmaster@bit.nl 2026-02-13 #4

`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=1771291435

Subdomains

www.suntestsystems.com

Same first word

suntestsystems.com

DNS History

9 records (5 active, 4 former)

●NSnsauth1.bit.nl2015-08-16 → 2026-03-24 · 3 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2026-03-24 03:53:46

●NSnsauth2.bit.nl2015-08-16 → 2026-03-24 · 3 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2026-03-24 03:53:46

●NSnsauth3.bit.org2015-08-16 → 2026-03-24 · 3 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2026-03-24 03:53:46

○MXinbound01.felton.nl2015-08-16 → 2019-04-12 · 5 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2019-04-12 22:17:40
○ 2026-02-27 09:11:46
○ 2026-03-24 03:53:46

○MXinbound02.felton.nl2015-08-16 → 2019-04-12 · 5 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2019-04-12 22:17:40
○ 2026-02-27 09:11:46
○ 2026-03-24 03:53:46

●MXsuntestsystems-com.mail.protection.outlook.com2026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-12 22:17:40
● 2026-02-27 09:11:46
● 2026-03-24 03:53:46

○A2001:7b8:3:5::80:12015-08-16 → 2019-04-12 · 5 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2019-04-12 22:17:40
○ 2026-02-27 09:11:46
○ 2026-03-24 03:53:46

○A213.136.12.2322015-08-16 → 2019-04-12 · 5 obs

○ 2008-03-04 11:58:56
● 2015-08-16 03:24:52
● 2019-04-12 22:17:40
○ 2026-02-27 09:11:46
○ 2026-03-24 03:53:46

●A62.221.194.1182026-02-27 → 2026-03-24 · 3 obs

○ 2019-04-12 22:17:40
● 2026-02-27 09:11:46
● 2026-03-24 03:53:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
suntestsystems.com	nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bit.org	-

✅ Authoritative Response

Server:213.136.12.59

NS records: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bit.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.221.194.118`
NS	3	`nsauth2.bit.nl, nsauth1.bit.nl...`
MX	1	`suntestsystems-com.mail.protection.outlo`
TXT	3	`SUNTW, MS=ms53645591...`
SOA	1	`nsauth1.bit.nl hostmaster.bit.nl`

Analysis

Hierarchy

suntestsystems.com is the parent of www.suntestsystems.com.

IP Addresses

suntestsystems.com points to a single IP number: 62.221.194.118.

other host names for instance mail.tdwtechniek.com, deckenluken.at, gorter.es, mail.derako.pl and draka-interfoam.nl share IP numbers with suntestsystems.com.

Name Servers

suntestsystems.com is delegated to three name servers: nsauth1.bit.nl, nsauth2.bit.nl and nsauth3.bit.org.

suntestsystems.com at least partially shares name servers with other domains, for instance deftones.nl, rondetafel78.nl, provinciegroningen.nl, kndc.org and vanouwerkerk.net.

These name servers are often used with nsauth3.bitnl.eu and a-p-ddi-0003.leeuwarden.nl.

Host names with two IP numbers:

Host nsauth1.bit.nl points to 2001:7b8:3:2c::53 and 213.136.12.51.

Host nsauth2.bit.nl points to 2001:7b8:3:2d::53 and 213.136.12.59.

Host nsauth3.bit.org points to 2001:1af8:4700:a119:16:0:8517:1588 and 85.17.15.88.

Mail Servers

suntestsystems.com is handled by a single mail server, suntestsystems-com.mail.protection.outlook.com.

Host name suntestsystems-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::d, 52.101.68.0, 52.101.68.3, 52.101.73.4 and 52.101.73.12.

suntestsystems.com - robtex.com