corefirst.net - dns.ninja

`corefirst.net`

DNSSEC	⚠️ Not signed
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`corefirst-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`mscid=WfMe8XTdZYR4tcJqSyKx/tg85ZBWCSGfPynChfJ3WN/e8aE0QYzfaE0fG+KEq4+eKzTNkei...`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`net`

	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=1786651434

Same first word

corefirst.net

Similar names

riftscore.com

firstcore.ph

forestric.com

ericfrost.org

fresicrto.top

ericfrost.com

triforsec.com.br

tecfriors.com.br

firstcore.com

firstcore.click

firstcore.shop

firstcore.de

DNS History

11 records (5 active, 6 former)

●NSns1.bdm.microsoftonline.com2026-03-24 → 2026-08-13 · 3 obs

○ 2017-10-15 16:12:38
● 2026-03-24 20:10:16
● 2026-08-13 20:20:22

○NSns1.dreamhost.com2015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

●NSns2.bdm.microsoftonline.com2026-03-24 → 2026-08-13 · 3 obs

○ 2017-10-15 16:12:38
● 2026-03-24 20:10:16
● 2026-08-13 20:20:22

○NSns2.dreamhost.com2015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

●NSns3.bdm.microsoftonline.com2026-03-24 → 2026-08-13 · 3 obs

○ 2017-10-15 16:12:38
● 2026-03-24 20:10:16
● 2026-08-13 20:20:22

○NSns3.dreamhost.com2015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

●NSns4.bdm.microsoftonline.com2026-03-24 → 2026-08-13 · 3 obs

○ 2017-10-15 16:12:38
● 2026-03-24 20:10:16
● 2026-08-13 20:20:22

●MXcorefirst-net.mail.protection.outlook.com2026-03-24 → 2026-08-13 · 3 obs

○ 2017-10-15 16:12:38
● 2026-03-24 20:10:16
● 2026-08-13 20:20:22

○MXmx1.sub4.homie.mail.dreamhost.com2015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

○MXmx2.sub4.homie.mail.dreamhost.com2015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

○A208.113.199.1722015-06-02 → 2017-10-15 · 4 obs

● 2015-06-02 19:13:00
● 2017-10-15 16:12:38
○ 2026-03-24 20:10:16
○ 2026-08-13 20:20:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corefirst.net	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:13.107.236.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corefirst.net (unsigned zone)

⏱️ Timing

Total: 1242ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`corefirst-net.mail.protection.outlook.co`
TXT	2	`v=spf1 include:spf.protection.outlook.co, mscid=WfMe8XTdZYR4tcJqSyKx/tg85ZBWCSGfPy`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

Name Servers

The authoritative name servers for corefirst.net are ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

The name servers of corefirst.net overlap at least partially with those of other domains — among them mzmsolutions.com, tactgroup.co.il, zaikinco.com and two more.

The name servers ns1.dtnt.info, ns2.dtnt.info and ns3.dtnt.info are commonly seen alongside these name servers.

Each of the four hosts ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com has two IP addresses. ns1.bdm.microsoftonline.com points to 13.107.236.208 and 2603:1061:0:700::d0. ns2.bdm.microsoftonline.com points to 150.171.21.208 and 2620:1ec:8ec:700::d0. ns3.bdm.microsoftonline.com points to 204.14.183.208 and 2a01:111:4000:700::d0. ns4.bdm.microsoftonline.com points to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

Mail for corefirst.net is handled by a single mail server, corefirst-net.mail.protection.outlook.com.

corefirst-net.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.124.0, 52.101.124.5, 52.101.157.10 and 5 others.