rtcrew.net - dns.ninja

`rtcrew.net`

DNSSEC	⚠️ Not signed
NS	`pdns67.ultradns.biz` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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.com` ⚠️ Not in zone NS records
		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.info` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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=1785543062

Same first word

rtcrew.com

rtcrew.org

rtcrew.net

Similar names

crewtr.com

trcrew.com

DNS History

6 records (6 active, 0 former)

●NSpdns67.ultradns.biz2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

●NSpdns67.ultradns.co.uk2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

●NSpdns67.ultradns.com2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

●NSpdns67.ultradns.info2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

●NSpdns67.ultradns.net2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

●NSpdns67.ultradns.org2026-07-23 → 2026-08-01 · 2 obs

● 2026-07-23 07:47:06
● 2026-08-01 00:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rtcrew.net	pdns67.ultradns.net, pdns67.ultradns.com, pdns67.ultradns.org, pdns67.ultradns.biz...	2 records

✅ Authoritative Response

Server:156.154.64.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcrew.net (unsigned zone)

⏱️ Timing

Total: 1684ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

rtcrew.net is delegated to 6 name servers: pdns67.ultradns.biz, pdns67.ultradns.com, pdns67.ultradns.info and 3 other.

There is at least partial name server overlap between rtcrew.net and other domains — normandale.com, cwcanada.com, ca.cushwake.com and two more among them.

These name servers regularly appear alongside pdns67.ultradns.net, pdns67.ultradns.org, pdns67.ultradns.co.uk and 4 other name servers in NS record sets.

Host names pointing to two IP addresses:

pdns67.ultradns.biz points to 156.154.66.67 and 2610:a1:1015::67.

pdns67.ultradns.com points to 156.154.64.67 and 2001:502:f3ff::67.

pdns67.ultradns.info points to 156.154.68.67 and 2610:a1:1016::67.

pdns67.ultradns.net points to 156.154.65.67 and 2610:a1:1014::67.

pdns67.ultradns.org points to 156.154.67.67 and 2001:502:4612::67.

pdns67.ultradns.co.uk points to 156.154.69.67 and 2610:a1:1017::67.