`crewbuilders.com`

DNSSEC	⚠️ Not signed
A	50.63.142.237^{🇺🇸 AS39810150.63.140.0/22 GCN Allocation}
		PTR	`237.142.63.50.host.secureserver.net`
NS	`ns35.domaincontrol.com` ⭐
		A	2603:5:21b1::12^{🇺🇸 GODADDY-DNS2603:5:21b0::/44}
			PTR	`ns35.domaincontrol.com`
		A	97.74.107.18^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns35.domaincontrol.com`
NS	`ns36.domaincontrol.com`
		A	2603:5:22b1::12^{🇺🇸 GODADDY-DNS2603:5:22b0::/44}
			PTR	`ns36.domaincontrol.com`
		A	173.201.75.18^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns36.domaincontrol.com`
MX	`crewbuilders-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f912::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
		A	52.101.194.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr04cu00104.inbound.protection.outlook.com`
TXT	`k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5SCQOOiRLDxjyRq1m5umGf9axyCTW...`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.secureserver.net ip4:68...`
TXT	`apple-domain-verification=9gFGrgdMSvfBryDO`
SOA	`ns35.domaincontrol.com`dns@jomax.net 2025-05-19 #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=1771291435

Subdomains

mail.crewbuilders.com

Same first word

crewbuilders.com

DNS History

12 records (4 active, 8 former)

○NSns1.saxonyhost.com2015-06-05 → 2016-07-16 · 4 obs

● 2015-06-05 04:24:28
● 2016-07-16 08:14:20
○ 2017-03-26 13:56:00
○ 2026-03-22 12:53:20

○NSns2.saxonyhost.com2015-06-05 → 2016-07-16 · 4 obs

● 2015-06-05 04:24:28
● 2016-07-16 08:14:20
○ 2017-03-26 13:56:00
○ 2026-03-22 12:53:20

●NSns35.domaincontrol.com2017-03-26 → 2026-03-22 · 3 obs

○ 2016-07-16 08:14:20
● 2017-03-26 13:56:00
● 2026-03-22 12:53:20

●NSns36.domaincontrol.com2017-03-26 → 2026-03-22 · 3 obs

○ 2016-07-16 08:14:20
● 2017-03-26 13:56:00
● 2026-03-22 12:53:20

●MXcrewbuilders-com.mail.protection.outlook.com2020-03-13 → 2026-03-22 · 3 obs

○ 2017-03-26 13:56:00
● 2020-03-13 01:26:06
● 2026-03-22 12:53:20

○MXd13904a.ess.barracudanetworks.com2015-06-05 → 2017-03-26 · 4 obs

● 2015-06-05 04:24:28
● 2017-03-26 13:56:00
○ 2020-03-13 01:26:06
○ 2026-03-22 12:53:20

○MXd13904b.ess.barracudanetworks.com2015-06-05 → 2017-03-26 · 4 obs

● 2015-06-05 04:24:28
● 2017-03-26 13:56:00
○ 2020-03-13 01:26:06
○ 2026-03-22 12:53:20

○MXmail.crewbuilders.com2015-06-05 → 2015-10-13 · 4 obs

● 2015-06-05 04:24:28
● 2015-10-13 10:46:30
○ 2015-12-13 18:35:34
○ 2026-03-22 12:53:20

○MXspam.pcgit.net2015-06-05 → 2017-03-26 · 4 obs

● 2015-06-05 04:24:28
● 2017-03-26 13:56:00
○ 2020-03-13 01:26:06
○ 2026-03-22 12:53:20

○A50.63.114.1262020-03-13 → 2020-03-13 · 4 obs

○ 2017-03-26 13:56:00
● 2020-03-13 01:26:06
○ 2026-03-10 00:27:18
○ 2026-03-22 12:53:20

●A50.63.142.2372026-03-10 → 2026-03-22 · 3 obs

○ 2020-03-13 01:26:06
● 2026-03-10 00:27:18
● 2026-03-22 12:53:20

○A67.207.212.902015-06-05 → 2017-03-26 · 4 obs

● 2015-06-05 04:24:28
● 2017-03-26 13:56:00
○ 2020-03-13 01:26:06
○ 2026-03-22 12:53:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
crewbuilders.com	ns35.domaincontrol.com, ns36.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.107.18

NS records: ns35.domaincontrol.com, ns36.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crewbuilders.com (unsigned zone)

⏱️ Timing

Total: 282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.63.142.237`
NS	2	`ns35.domaincontrol.com, ns36.domaincontrol.com`
MX	1	`crewbuilders-com.mail.protection.outlook`
TXT	3	`k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADC, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns35.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns35.domaincontrol.com, ns35.domaincontrol.com, ns36.domaincontrol.com...)

Analysis

Hierarchy

crewbuilders.com is the parent of mail.crewbuilders.com.

IP Addresses

crewbuilders.com resolves to one IP number: 50.63.142.237.

other host names including camla.org, adserving.alanhaft.com, wickeddeath.com, toricandy.com and node-026130.ext.alanhaft.com share IP numbers with crewbuilders.com.

Name Servers

crewbuilders.com is delegated to two name servers ns35.domaincontrol.com and ns36.domaincontrol.com.

crewbuilders.com shares the same name server setup as other domains, for instance idealearningstudio.com, 2oilysisters.com, gorina.info, blackwellplastics.org and simmoninsurance.com.

Host names with two IP numbers:

The host name ns35.domaincontrol.com points to 2603:5:21b1::12 and 97.74.107.18; the host name ns36.domaincontrol.com points to 2603:5:22b1::12 and 173.201.75.18.

Mail Servers

crewbuilders.com is handled by a single mail server, crewbuilders-com.mail.protection.outlook.com.

Host crewbuilders-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::2, 2a01:111:f403:c936::, 2a01:111:f403:f905::4, 2a01:111:f403:f912::, 52.101.8.34, 52.101.9.14, 52.101.41.56 and 52.101.194.4.

crewbuilders.com - robtex.com