`coresdevelopment.com`

DNSSEC	⚠️ Not signed
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.combell.net` ⭐
		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.combell.eu` ⚠️ Not in parent delegation
		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.combell.net`
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`coresdevelopment-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.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:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
MX	`mx10.priorweb.be`⁽⁴⁰⁾
		A	62.182.60.80^{🇧🇪 COMBELL-AS62.182.56.0/21 Priorweb Internet routing}
MX	`mx20.priorweb.be`⁽⁵⁰⁾
		A	62.182.60.80^{🇧🇪 COMBELL-AS62.182.56.0/21 Priorweb Internet routing}
MX	`mx30.priorweb.be`⁽⁶⁰⁾
		A	62.182.60.80^{🇧🇪 COMBELL-AS62.182.56.0/21 Priorweb Internet routing}
TXT	`domain-verification:1936cf7bfeb774e05dfb7f0aceb6188578b412c8`
TXT	`MS=ms54805254`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net -all`
SOA	`ns3.combell.net`hostmaster@coresdevelopment.com serial=1782564449

`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=1785388397

Same first word

coresdevelopment.com

coresdevelopment.be

Similar names

creodevelopments.com

rescodevelopment.com

coredevelopments.org

ercodevelopments.com

coredevelopments.com

scoredevelopment.com

DNS History

15 records (8 active, 7 former)

●NSns1.combell.eu2026-06-27 → 2026-07-30 · 3 obs

○ 2017-01-15 01:41:04
● 2026-06-27 13:21:54
● 2026-07-30 05:37:40

○NSns1.priorweb.be2015-06-12 → 2016-05-07 · 4 obs

● 2015-06-12 13:49:32
● 2016-05-07 08:59:26
○ 2017-01-15 01:41:04
○ 2026-07-30 05:37:40

○NSns2.priorweb.be2015-06-12 → 2016-05-07 · 4 obs

● 2015-06-12 13:49:32
● 2016-05-07 08:59:26
○ 2017-01-15 01:41:04
○ 2026-07-30 05:37:40

●NSns3.combell.net2017-01-15 → 2026-07-30 · 3 obs

○ 2016-05-07 08:59:26
● 2017-01-15 01:41:04
● 2026-07-30 05:37:40

○NSns3.priorweb.be2015-06-12 → 2016-05-07 · 4 obs

● 2015-06-12 13:49:32
● 2016-05-07 08:59:26
○ 2017-01-15 01:41:04
○ 2026-07-30 05:37:40

●NSns4.combell.net2017-01-15 → 2026-07-30 · 3 obs

○ 2016-05-07 08:59:26
● 2017-01-15 01:41:04
● 2026-07-30 05:37:40

●MXcoresdevelopment-com.mail.protection.outlook.com2015-11-07 → 2026-07-30 · 3 obs

○ 2015-06-12 13:49:32
● 2015-11-07 01:18:26
● 2026-07-30 05:37:40

○MXmx10.priormail.be2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 13:49:32
○ 2015-11-07 01:18:26
○ 2026-07-30 05:37:40

●MXmx10.priorweb.be2015-06-12 → 2026-07-30 · 2 obs

● 2015-06-12 13:49:32
● 2026-07-30 05:37:40

○MXmx20.priormail.be2015-06-12 → 2015-06-12 · 3 obs

● 2015-06-12 13:49:32
○ 2015-11-07 01:18:26
○ 2026-07-30 05:37:40

●MXmx20.priorweb.be2015-06-12 → 2026-07-30 · 2 obs

● 2015-06-12 13:49:32
● 2026-07-30 05:37:40

●MXmx30.priorweb.be2015-06-12 → 2026-07-30 · 2 obs

● 2015-06-12 13:49:32
● 2026-07-30 05:37:40

○A176.62.173.412017-01-15 → 2020-01-26 · 5 obs

○ 2016-05-07 08:59:26
● 2017-01-15 01:41:04
● 2020-01-26 19:34:22
○ 2026-06-27 13:21:54
○ 2026-07-30 05:37:40

●A217.19.237.542026-06-27 → 2026-07-30 · 3 obs

○ 2020-01-26 19:34:22
● 2026-06-27 13:21:54
● 2026-07-30 05:37:40

○A62.182.63.432015-06-12 → 2016-05-07 · 4 obs

● 2015-06-12 13:49:32
● 2016-05-07 08:59:26
○ 2017-01-15 01:41:04
○ 2026-07-30 05:37:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coresdevelopment.com	ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server:86.39.202.67

NS records: ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coresdevelopment.com (unsigned zone)

⏱️ Timing

Total: 554ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns3.combell.net, ns1.combell.eu...`
MX	4	`mx10.priorweb.be (pri: 40), mx20.priorweb.be (pri: 50)...`
TXT	3	`domain-verification:1936cf7bfeb774e05dfb, MS=ms54805254...`
SOA	1	`ns3.combell.net hostmaster.coresdevelopm`

Analysis

IP Addresses

coresdevelopment.com directs to one IP number, which is 217.19.237.54.

Among the host names that share IP numbers with coresdevelopment.com are cosec.be, halfen.ch, xn--hyla-belgi-67a.be and two others.

Name Servers

coresdevelopment.com is served by three name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

There is at least partial name server overlap between coresdevelopment.com and other domains — gidser.com, koramic.net, statik.nl and two more among them.

These name servers regularly appear alongside ns3.european-server.com, ns4.european-server.com, ns1.european-server.eu and 3 other name servers in NS record sets.

The hostnames ns1.combell.eu, ns3.combell.net and ns4.combell.net each direct to two IP addresses — ns1.combell.eu to 89.44.166.48 and 2a00:1c98:50::50, ns3.combell.net to 83.217.73.172 and 2a00:1c98::53:1, and ns4.combell.net to 86.39.202.67 and 2001:1598:0:101::3.

Mail Servers

The four mail servers for coresdevelopment.com are mx10.priorweb.be, mx20.priorweb.be, mx30.priorweb.be and coresdevelopment-com.mail.protection.outlook.com.

coresdevelopment.com shares at least some of its mail servers with other domains — for example cehibrux.be, lartisteaucorps.be, colobase.be and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 4 more.

Host names resolving to 8 IP numbers:

coresdevelopment-com.mail.protection.outlook.com maps to 52.101.68.36, 52.101.73.1, 52.101.73.4 and 5 additional IP addresses.

Hosts that resolve to one IP address:

mx10.priorweb.be resolves to the IP address 62.182.60.80.

mx20.priorweb.be resolves to the IP address 62.182.60.80.

mx30.priorweb.be resolves to the IP address 62.182.60.80.

mx10.priorweb.be, mx20.priorweb.be and mx30.priorweb.be all direct to 62.182.60.80.

coresdevelopment.com - robtex.com