`chicagobooth.com`

DNSSEC	⚠️ Not signed
A	63.141.128.21^{🇺🇸 AS39956663.141.128.0/24 BigCommerce 11305 Four Points Drive Building II, Suite 300 Austin TX 78726 United States}
NS	`ns41.domaincontrol.com` ⭐
		A	2603:5:2142::15^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns41.domaincontrol.com`
		A	97.74.100.21^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns41.domaincontrol.com`
NS	`ns42.domaincontrol.com`
		A	2603:5:2242::15^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns42.domaincontrol.com`
		A	173.201.68.21^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns42.domaincontrol.com`
MX	`chicagobooth-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.11.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
TXT	`google-site-verification=hRxNxu1LDUtFoI348DDip230ewHkDTPRkXQXnFxT1BE`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com -all includ...`
TXT	`anthropic-domain-verification-s9qyrc=9EL6pp6kEtWOk4rdfcrYerYCE`
SOA	`ns41.domaincontrol.com`dns@jomax.net 2026-07-29 #0

`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=1786751319

WOT: SAFE (62/100)

Same first word

chicagobooth.jp

chicagobooth.edu

chicagobooth.biz

chicagobooth.info

chicagobooth.it

chicagobooth.asia

chicagobooth.ru

chicagobooth.cn

chicagobooth.com

chicagobooth.co.in

DNS History

5 records (4 active, 1 former)

●NSns41.domaincontrol.com2015-07-02 → 2026-08-14 · 2 obs

● 2015-07-02 00:18:00
● 2026-08-14 23:55:50

●NSns42.domaincontrol.com2015-07-02 → 2026-08-14 · 2 obs

● 2015-07-02 00:18:00
● 2026-08-14 23:55:50

●MXchicagobooth-com.mail.protection.outlook.com2015-07-02 → 2026-08-14 · 2 obs

● 2015-07-02 00:18:00
● 2026-08-14 23:55:50

●A63.141.128.212026-06-14 → 2026-08-14 · 3 obs

○ 2017-03-16 04:33:54
● 2026-06-14 03:50:38
● 2026-08-14 23:55:50

○A97.74.144.1702015-07-02 → 2017-03-16 · 4 obs

● 2015-07-02 00:18:00
● 2017-03-16 04:33:54
○ 2026-06-14 03:50:38
○ 2026-08-14 23:55:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chicagobooth.com	ns41.domaincontrol.com, ns42.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.68.21

NS records: ns41.domaincontrol.com, ns42.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chicagobooth.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`63.141.128.21`
NS	2	`ns42.domaincontrol.com, ns41.domaincontrol.com`
MX	1	`chicagobooth-com.mail.protection.outlook`
TXT	3	`google-site-verification=hRxNxu1LDUtFoI3, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns41.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)

Analysis

IP Addresses

chicagobooth.com directs to one IP number, which is 63.141.128.21.

Among the host names that share IP numbers with chicagobooth.com are alltackle.com, fcagear.com, 616motorsports.com and two others.

Name Servers

DNS delegation for chicagobooth.com points to two name servers: ns41.domaincontrol.com and ns42.domaincontrol.com.

chicagobooth.com has the same name server delegation as a number of other domains, such as amirnaor.com, getsaydo.com, erarich.com and two more.

ns41.domaincontrol.com directs to 97.74.100.21 and 2603:5:2142::15. ns42.domaincontrol.com directs to 173.201.68.21 and 2603:5:2242::15. Each host name carries two IP addresses.

Mail Servers

chicagobooth.com routes its mail through a single mail server, chicagobooth-com.mail.protection.outlook.com.

chicagobooth-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.17, 52.101.11.7 and 52.101.11.9, along with 5 other.

chicagobooth.com - robtex.com