`corebt.com`

DNSSEC	⚠️ Not signed
A	34.74.67.19^{🇺🇸 Google34.74.64.0/20}
		PTR	`19.67.74.34.bc.googleusercontent.com`
NS	`ns10.digicertdns.com` ⭐
		A	2600:1800::1:1f^{🇺🇸 Tiggee2600:1800::/48 DNS Made Easy anycast network}
			PTR	`ns10.digicertdns.com`
		A	208.94.148.159^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns10.digicertdns.com`
NS	`ns0.dnsmadeeasy.com`
		A	2600:1800::1^{🇺🇸 Tiggee2600:1800::/48 DNS Made Easy anycast network}
			PTR	`ns0.dnsmadeeasy.com`
		A	208.94.148.2^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns0.dnsmadeeasy.com`
NS	`ns1.dnsmadeeasy.com`
		A	2600:1801:1::1^{🇺🇸 Tiggee2600:1801:1::/48 DNS Made Easy anycast network}
			PTR	`ns1.dnsmadeeasy.com`
		A	208.80.124.2^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns1.dnsmadeeasy.com`
NS	`ns2.dnsmadeeasy.com`
		A	2600:1802:2::1^{🇺🇸 Tiggee2600:1802:2::/48 DNS Made Easy anycast network}
			PTR	`ns2.dnsmadeeasy.com`
		A	208.80.126.2^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns2.dnsmadeeasy.com`
NS	`ns3.dnsmadeeasy.com`
		A	2600:1801:3::1^{🇺🇸 Tiggee2600:1801:3::/48 DNS Made Easy anycast network}
			PTR	`ns3.dnsmadeeasy.com`
		A	208.80.125.2^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns3.dnsmadeeasy.com`
NS	`ns4.dnsmadeeasy.com`
		A	2600:1802:4::1^{🇺🇸 Tiggee2600:1802:4::/48 DNS Made Easy anycast network}
			PTR	`ns4.dnsmadeeasy.com`
		A	208.80.127.2^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns4.dnsmadeeasy.com`
MX	`corebt-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`duo_sso_verification=Zs81OKyDBylQEgPY38JTL1Z5wkipRrWknuDHMnbywHFOZfPtlmnEZxFb...`
TXT	`v=spf1 ip4:70.169.180.179 ip4:70.169.180.195 ip4:162.252.178.251 a:mail.coreb...`
TXT	`google-site-verification=Cr_tHvZjoOqX85zi2gKjnVkLZiShiFSEfzjGrmyEuNI`
TXT	`bw=roBFUs9oTnDxnzB+hmOWV+eiBngVaBYoGeHwRFCM7sNe`
TXT	`wpe-verification=corebt950`
TXT	`SrFqb11d5aBB1V7vITe7V0jQHBThytAqedUKmj4mdZ0V56+NZNJoPFgMo8f6y0KBnJUU9gVdtH9LB...`
TXT	`intacct-esk=8CA7066484F4E2F2E053AA06A8C0368E`
TXT	`MS=9F89C66E70A63C197E031350910FD0E07F1DA54D`
TXT	`v=verifydomain MS=3832878`
TXT	`atlassian-sending-domain-verification=1c50ff7f-adf3-4ea9-b6b4-0c044498134b`
TXT	`atlassian-domain-verification=JaQGZRHHJGl3eLcCquIEgxaKIZ2vGXzuW3NT/teOXVKQITC...`
SOA	`ns10.digicertdns.com`dns@digicertdns.com 2009-01-01 #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=1783961502

rank #988957 globally
rank #438369 in the tld

Subdomains

mail.corebt.com

Same first word

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corebt.org

corebt.net

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DNS History

22 records (8 active, 14 former)

●NSns0.dnsmadeeasy.com2026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

●NSns1.dnsmadeeasy.com2026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

○NSns1.linode.com2016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○NSns1.onecommunications.net2015-05-09 → 2016-01-13 · 4 obs

● 2015-05-09 07:17:52
● 2016-01-13 19:31:24
○ 2016-04-09 10:18:08
○ 2026-07-13 17:14:42

●NSns10.digicertdns.com2026-05-08 → 2026-07-13 · 3 obs

○ 2026-03-19 21:59:38
● 2026-05-08 12:13:06
● 2026-07-13 17:14:42

●NSns2.dnsmadeeasy.com2026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

○NSns2.linode.com2016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○NSns2.onecommunications.net2015-05-09 → 2016-01-13 · 4 obs

● 2015-05-09 07:17:52
● 2016-01-13 19:31:24
○ 2016-04-09 10:18:08
○ 2026-07-13 17:14:42

●NSns3.dnsmadeeasy.com2026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

○NSns3.linode.com2016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○NSns3.onecommunications.net2015-05-09 → 2016-01-13 · 4 obs

● 2015-05-09 07:17:52
● 2016-01-13 19:31:24
○ 2016-04-09 10:18:08
○ 2026-07-13 17:14:42

●NSns4.dnsmadeeasy.com2026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

○NSns4.linode.com2016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○NSns5.linode.com2016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○NSns59.domaincontrol.com2020-11-03 → 2020-11-03 · 4 obs

○ 2017-03-27 10:58:44
● 2020-11-03 05:52:36
○ 2026-03-19 21:59:38
○ 2026-07-13 17:14:42

○NSns60.domaincontrol.com2020-11-03 → 2020-11-03 · 4 obs

○ 2017-03-27 10:58:44
● 2020-11-03 05:52:36
○ 2026-03-19 21:59:38
○ 2026-07-13 17:14:42

●MXcorebt-com.mail.protection.outlook.com2020-11-03 → 2026-07-13 · 3 obs

○ 2017-03-27 10:58:44
● 2020-11-03 05:52:36
● 2026-07-13 17:14:42

○MXmail.corebt.com2015-05-09 → 2017-03-27 · 4 obs

● 2015-05-09 07:17:52
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

●A34.74.67.192026-03-19 → 2026-07-13 · 3 obs

○ 2020-11-03 05:52:36
● 2026-03-19 21:59:38
● 2026-07-13 17:14:42

○A35.202.40.1932020-11-03 → 2020-11-03 · 4 obs

○ 2017-03-27 10:58:44
● 2020-11-03 05:52:36
○ 2026-03-19 21:59:38
○ 2026-07-13 17:14:42

○A45.33.72.1572016-04-09 → 2017-03-27 · 5 obs

○ 2016-01-13 19:31:24
● 2016-04-09 10:18:08
● 2017-03-27 10:58:44
○ 2020-11-03 05:52:36
○ 2026-07-13 17:14:42

○A64.65.215.472015-05-09 → 2016-01-13 · 4 obs

● 2015-05-09 07:17:52
● 2016-01-13 19:31:24
○ 2016-04-09 10:18:08
○ 2026-07-13 17:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corebt.com	ns1.dnsmadeeasy.com, ns4.dnsmadeeasy.com, ns3.dnsmadeeasy.com, ns0.dnsmadeeasy.com...	10 records

✅ Authoritative Response

Server:208.80.125.2

NS records: ns1.dnsmadeeasy.com, ns4.dnsmadeeasy.com, ns3.dnsmadeeasy.com, ns0.dnsmadeeasy.com, ns2.dnsmadeeasy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corebt.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.74.67.19`
NS	5	`ns0.dnsmadeeasy.com, ns4.dnsmadeeasy.com...`
MX	1	`corebt-com.mail.protection.outlook.com (`
TXT	11	`wpe-verification=corebt950, duo_sso_verification=Zs81OKyDBylQEgPY38J...`
SOA	1	`ns10.digicertdns.com dns.digicertdns.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.dnsmadeeasy.com, ns1.dnsmadeeasy.com, ns4.dnsmadeeasy.com...)

Analysis

Hierarchy

mail.corebt.com is a subdomain of corebt.com.

IP Addresses

corebt.com resolves to just one IP address, 34.74.67.19.

Two other host names, along with bristolseafood.com, www.nexpointadvisors.com and kanuikapono.org, also share IP numbers with corebt.com.

Name Servers

corebt.com delegates authority to 6 name servers: ns10.digicertdns.com, ns0.dnsmadeeasy.com, ns1.dnsmadeeasy.com plus 3 other.

The name servers of corebt.com overlap at least partially with those of other domains — among them alloyresourcescorp.com, secretsofshielding.com, tekfields.com and two more.

These name servers commonly appear in delegations together with ns2.dnsmadeeasy.com, ns3.dnsmadeeasy.com, ns4.dnsmadeeasy.com and 7 other.

Host names that have two IP addresses:

ns10.digicertdns.com directs traffic to 208.94.148.159 and 2600:1800::1:1f.

ns0.dnsmadeeasy.com directs traffic to 208.94.148.2 and 2600:1800::1.

ns1.dnsmadeeasy.com directs traffic to 208.80.124.2 and 2600:1801:1::1.

ns2.dnsmadeeasy.com directs traffic to 208.80.126.2 and 2600:1802:2::1.

ns3.dnsmadeeasy.com directs traffic to 208.80.125.2 and 2600:1801:3::1.

ns4.dnsmadeeasy.com directs traffic to 208.80.127.2 and 2600:1802:4::1.