rt57.be - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rt57.be`

DNSSEC	🔒 Signed (DS record present)
A	217.19.237.54^{🇧🇪 COMBELL-AS217.19.224.0/20 COMBELL Network Brussels, Belgium}
		PTR	`217.19.237.54.static.hosted.by.combell.com`
NS	`ns3.european-server.com` ⭐
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns1.european-server.eu`
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns4.european-server.com`
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`rt57-be.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.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::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`domain-verification:b907ad7dd0b761f054e59ef8a0cf23521abb27b8`
TXT	`v=spf1 include:r9j5tv4wmx.spf.securedns.ekenbell.be -all`
SOA	`ns3.european-server.com`hostmaster@rt57.be serial=1761520534

`be`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nsset.be` ⭐
	NS	`b.nsset.be`
	NS	`c.nsset.be`
	NS	`d.nsset.be`
	NS	`y.nsset.be`
	NS	`z.nsset.be`
	SOA	`a.nsset.be`be-hostmaster@dnsbelgium.be serial=1028257905

Subdomains

www.rt57.be

Same first word

rt57.be

rt57.de

Similar names

rt75.com

rt75.dk

rt75.cn

75tr.com

tr75.com

57tr.com

DNS History

14 records (5 active, 9 former)

○NSns.be.hostbasket.com2015-08-03 → 2017-05-03 · 4 obs

● 2015-08-03 15:03:50
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

○NSns.fr.hostbasket.com2015-08-03 → 2017-05-03 · 4 obs

● 2015-08-03 15:03:50
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

○NSns.nl.hostbasket.com2015-08-03 → 2017-05-03 · 4 obs

● 2015-08-03 15:03:50
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

●NSns1.european-server.eu2026-08-17 → 2026-08-17 · 3 obs

○ 2017-05-03 13:56:20
● 2026-08-17 07:20:42
● 2026-08-17 07:20:44

●NSns3.european-server.com2026-08-17 → 2026-08-17 · 3 obs

○ 2017-05-03 13:56:20
● 2026-08-17 07:20:42
● 2026-08-17 07:20:44

●NSns4.european-server.com2026-08-17 → 2026-08-17 · 3 obs

○ 2017-05-03 13:56:20
● 2026-08-17 07:20:42
● 2026-08-17 07:20:44

○MXmailin-01.it1.be2015-08-03 → 2016-02-25 · 4 obs

● 2015-08-03 15:03:50
● 2016-02-25 09:36:34
○ 2016-06-18 15:43:58
○ 2026-08-17 07:20:44

○MXmailin-01.mx.hostbasket.com2016-06-18 → 2017-05-03 · 5 obs

○ 2016-02-25 09:36:34
● 2016-06-18 15:43:58
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

○MXmailin-02.it1.be2015-08-03 → 2016-02-25 · 4 obs

● 2015-08-03 15:03:50
● 2016-02-25 09:36:34
○ 2016-06-18 15:43:58
○ 2026-08-17 07:20:44

○MXmailin-02.mx.hostbasket.com2016-06-18 → 2017-05-03 · 5 obs

○ 2016-02-25 09:36:34
● 2016-06-18 15:43:58
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

●MXrt57-be.mail.protection.outlook.com2026-08-17 → 2026-08-17 · 3 obs

○ 2017-05-03 13:56:20
● 2026-08-17 07:20:42
● 2026-08-17 07:20:44

○A185.35.52.1642016-06-18 → 2017-05-03 · 5 obs

○ 2016-02-25 09:36:34
● 2016-06-18 15:43:58
● 2017-05-03 13:56:20
○ 2026-08-17 07:20:42
○ 2026-08-17 07:20:44

●A217.19.237.542026-08-17 → 2026-08-17 · 3 obs

○ 2017-05-03 13:56:20
● 2026-08-17 07:20:42
● 2026-08-17 07:20:44

○A85.255.199.312015-08-03 → 2016-02-25 · 4 obs

● 2015-08-03 15:03:50
● 2016-02-25 09:36:34
○ 2016-06-18 15:43:58
○ 2026-08-17 07:20:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	c.nsset.be, d.nsset.be, a.nsset.be, z.nsset.be...	-
rt57.be	ns1.european-server.eu, ns3.european-server.com, ns4.european-server.com	-

✅ Authoritative Response

Server:89.44.166.48

NS records: ns1.european-server.eu, ns3.european-server.com, ns4.european-server.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns4.european-server.com, ns1.european-server.eu...`
MX	1	`rt57-be.mail.protection.outlook.com (pri`
TXT	2	`domain-verification:b907ad7dd0b761f054e5, v=spf1 include:r9j5tv4wmx.spf.securedns.`
SOA	1	`ns3.european-server.com hostmaster.rt57.`

Analysis

Hierarchy

www.rt57.be is delegated beneath rt57.be.

IP Addresses

rt57.be resolves to just one IP address, 217.19.237.54.

Two other host names, along with groephuyzentruyt.com, nuovafima.nl and hotelhungaria.be, also share IP numbers with rt57.be.

Name Servers

Three name servers are authoritative for rt57.be: ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu.

There is at least partial name server overlap between rt57.be and other domains — vwaircooledparts.com, crossmark.be, telsmart-internet.be and two more among them.

The name servers ns3.combell.net, ns4.combell.net and ns1.combell.eu are often found in combination with these name servers.

ns3.european-server.com resolves to 83.217.73.172 and 2a00:1c98::53:1. ns4.european-server.com resolves to 86.39.202.67 and 2001:1598:0:101::3. ns1.european-server.eu resolves to 89.44.166.48 and 2a00:1c98:50::50. All three hostnames point to two IP numbers each.

Mail Servers

The sole mail server for rt57.be is rt57-be.mail.protection.outlook.com.

With 8 IP addresses total, rt57-be.mail.protection.outlook.com resolves to 52.101.68.15, 52.101.68.39, 52.101.73.1 and 5 others.