rtcrew.com - dns.ninja

`rtcrew.com`

DNSSEC	⚠️ Not signed
A	198.176.166.128^{🇺🇸 AS397973198.176.166.0/24 CDS GLOBAL INC.}
		PTR	`rtcrew.com`
		PTR	`shop.rtcrew.com`
NS	`pdns67.ultradns.com` ⭐
		A	2001:502:f3ff::67^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns67.ultradns.com`
		A	156.154.64.67^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns67.ultradns.com`
NS	`pdns67.ultradns.biz` ⚠️ Not in parent delegation
		A	2610:a1:1015::67^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns67.ultradns.biz`
		A	156.154.66.67^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns67.ultradns.biz`
NS	`pdns67.ultradns.co.uk`
		A	2610:a1:1017::67^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns67.ultradns.co.uk`
		A	156.154.69.67^{🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar}
			PTR	`pdns67.ultradns.co.uk`
NS	`pdns67.ultradns.info` ⚠️ Not in parent delegation
		A	2610:a1:1016::67^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns67.ultradns.info`
		A	156.154.68.67^{🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar}
			PTR	`pdns67.ultradns.info`
NS	`pdns67.ultradns.net`
		A	2610:a1:1014::67^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns67.ultradns.net`
		A	156.154.65.67^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns67.ultradns.net`
NS	`pdns67.ultradns.org`
		A	2001:502:4612::67^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns67.ultradns.org`
		A	156.154.67.67^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns67.ultradns.org`
MX	`rtcrew-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	52.101.9.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00100.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
TXT	`MS=ms38218889`
TXT	`lzg8jvhj507jnzbft2vnkvcsn632hc5d`
TXT	`google-site-verification=SjaRkal-ISxQE2AraXNFXR9C81sYazpLQPUJ4K8t9Wo`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:205.220.176.159 ip4:205.220.164...`
SOA	`pdns67.ultradns.com`hostmaster@cds-global.com 2019-10-31 #64

`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=1785488527

Same first word

rtcrew.net

rtcrew.com

rtcrew.org

Similar names

crewtr.com

trcrew.com

DNS History

23 records (8 active, 15 former)

○NSdns1.name-services.com2015-05-13 → 2016-11-26 · 4 obs

● 2015-05-13 21:30:22
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

○NSdns2.name-services.com2015-05-13 → 2016-11-26 · 4 obs

● 2015-05-13 21:30:22
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

○NSdns3.name-services.com2015-05-13 → 2016-11-26 · 4 obs

● 2015-05-13 21:30:22
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

○NSdns4.name-services.com2015-05-13 → 2016-11-26 · 4 obs

● 2015-05-13 21:30:22
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

○NSdns5.name-services.com2015-05-13 → 2016-11-26 · 4 obs

● 2015-05-13 21:30:22
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

●NSpdns67.ultradns.biz2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●NSpdns67.ultradns.co.uk2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●NSpdns67.ultradns.com2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●NSpdns67.ultradns.info2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●NSpdns67.ultradns.net2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●NSpdns67.ultradns.org2026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

○MXalt1.aspmx.l.google.com2015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○MXalt2.aspmx.l.google.com2015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○MXaspmx.l.google.com2015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○MXaspmx2.googlemail.com2015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○MXaspmx3.googlemail.com2015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

●MXrtcrew-com.mail.protection.outlook.com2026-07-23 → 2026-07-31 · 3 obs

○ 2016-11-26 03:10:26
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

●A198.176.166.1282026-07-23 → 2026-07-31 · 3 obs

○ 2017-06-28 03:39:50
● 2026-07-23 07:55:06
● 2026-07-31 09:22:00

○A216.239.32.212015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○A216.239.34.212015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○A216.239.36.212015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○A216.239.38.212015-05-13 → 2016-04-03 · 4 obs

● 2015-05-13 21:30:22
● 2016-04-03 15:25:08
○ 2016-11-26 03:10:26
○ 2026-07-31 09:22:00

○A8.5.1.482016-11-26 → 2016-11-26 · 4 obs

○ 2016-04-03 15:25:08
● 2016-11-26 03:10:26
○ 2017-06-28 03:39:50
○ 2026-07-31 09:22:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rtcrew.com	pdns67.ultradns.net, pdns67.ultradns.com, pdns67.ultradns.org, pdns67.ultradns.co.uk	2 records

✅ Authoritative Response

Server:156.154.65.67

NS records: pdns67.ultradns.net, pdns67.ultradns.com, pdns67.ultradns.org, pdns67.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcrew.com (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.176.166.128`
NS	6	`pdns67.ultradns.co.uk, pdns67.ultradns.biz...`
MX	1	`rtcrew-com.mail.protection.outlook.com (`
TXT	4	`MS=ms38218889, lzg8jvhj507jnzbft2vnkvcsn632hc5d...`
SOA	1	`pdns67.ultradns.com hostmaster.cds-globa`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns67.ultradns.com, pdns67.ultradns.com)

Analysis

IP Addresses

rtcrew.com resolves to just one IP address, 198.176.166.128.

Name Servers

The DNS delegation for rtcrew.com covers 6 name servers: pdns67.ultradns.biz, pdns67.ultradns.com, pdns67.ultradns.info and 3 more.

The name servers of rtcrew.com overlap at least partially with those of other domains — among them aaronbarnardcre.com, mycdsglobal.com, wgms-demo.com and two more.

These name servers commonly appear in delegations together with pdns67.ultradns.net, pdns67.ultradns.org, pdns67.ultradns.co.uk and 4 other.

Host names that have two IP addresses:

pdns67.ultradns.biz maps to two IP addresses — 156.154.66.67 and 2610:a1:1015::67.

pdns67.ultradns.com maps to two IP addresses — 156.154.64.67 and 2001:502:f3ff::67.

pdns67.ultradns.info maps to two IP addresses — 156.154.68.67 and 2610:a1:1016::67.

pdns67.ultradns.net maps to two IP addresses — 156.154.65.67 and 2610:a1:1014::67.

pdns67.ultradns.org maps to two IP addresses — 156.154.67.67 and 2001:502:4612::67.

pdns67.ultradns.co.uk maps to two IP addresses — 156.154.69.67 and 2610:a1:1017::67.

Mail Servers

The sole mail server for rtcrew.com is rtcrew-com.mail.protection.outlook.com.

With 8 IP addresses total, rtcrew-com.mail.protection.outlook.com resolves to 52.101.9.0, 52.101.11.3, 52.101.41.3 and 5 others.