`rtcdk.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4936^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9e42^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.54^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.66^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
NS	`phil.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c189^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`phil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2189^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`phil.ns.cloudflare.com`
		A	108.162.193.137^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	172.64.33.137^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	173.245.59.137^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.54, 172.67.158.66
		IPv6 hints	2606:4700:3030::6815:4936, 2606:4700:3037::ac43:9e42
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2400377708

`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=1776985156

Same first word

rtcdk.com

Similar names

cdrkt.com

tckrd.com

dtrck.com

ckrdt.org

dctrk.com

kctrd.com

rdctk.cn

cdtkr.ru

kdtrc.cn

dtkcr.com

trckd.click

trckd.net

tkrcd.org.tr

rctdk.com

kdctr.com

cdkrt.com

trkdc.com

dtrck.net

cdkrt.net

DNS History

17 records (6 active, 11 former)

●NSanna.ns.cloudflare.com2026-02-14 → 2026-04-23 · 3 obs

○ 2018-12-20 12:53:46
● 2026-02-14 23:53:00
● 2026-04-23 23:26:22

○NSdns.bizcn.com2015-08-07 → 2016-12-27 · 4 obs

● 2015-08-07 21:50:12
● 2016-12-27 03:24:16
○ 2018-12-20 12:53:46
○ 2026-04-23 23:26:22

○NSdns31.hichina.com2018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-27 03:24:16
● 2018-12-20 12:53:46
○ 2026-02-14 23:53:00
○ 2026-04-23 23:26:22

○NSdns32.hichina.com2018-12-20 → 2018-12-20 · 4 obs

○ 2016-12-27 03:24:16
● 2018-12-20 12:53:46
○ 2026-02-14 23:53:00
○ 2026-04-23 23:26:22

○NSns5.cnmsn.net2015-08-07 → 2016-12-27 · 4 obs

● 2015-08-07 21:50:12
● 2016-12-27 03:24:16
○ 2018-12-20 12:53:46
○ 2026-04-23 23:26:22

○NSns6.cnmsn.net2015-08-07 → 2016-12-27 · 4 obs

● 2015-08-07 21:50:12
● 2016-12-27 03:24:16
○ 2018-12-20 12:53:46
○ 2026-04-23 23:26:22

●NSphil.ns.cloudflare.com2026-02-14 → 2026-04-23 · 3 obs

○ 2018-12-20 12:53:46
● 2026-02-14 23:53:00
● 2026-04-23 23:26:22

●A104.21.73.542026-02-14 → 2026-04-23 · 10 obs

○ 2018-12-20 12:53:46
● 2026-02-14 23:53:00
● 2026-02-15 11:01:24
○ 2026-02-27 09:33:38
● 2026-03-01 19:47:24
● 2026-03-08 23:51:06
○ 2026-03-09 01:48:34
○ 2026-03-26 03:39:38
● 2026-03-30 04:55:08
● 2026-04-23 23:26:22

●A172.67.158.662026-02-14 → 2026-04-23 · 10 obs

○A188.114.96.02026-02-27 → 2026-03-26 · 8 obs

○ 2026-02-15 11:01:24
● 2026-02-27 09:33:38
○ 2026-03-01 19:47:24
○ 2026-03-08 23:51:06
● 2026-03-09 01:48:34
● 2026-03-26 03:39:38
○ 2026-03-30 04:55:08
○ 2026-04-23 23:26:22

○A188.114.97.02026-02-27 → 2026-03-26 · 8 obs

○ 2026-02-15 11:01:24
● 2026-02-27 09:33:38
○ 2026-03-01 19:47:24
○ 2026-03-08 23:51:06
● 2026-03-09 01:48:34
● 2026-03-26 03:39:38
○ 2026-03-30 04:55:08
○ 2026-04-23 23:26:22

○A218.26.89.1502015-08-07 → 2016-12-27 · 4 obs

● 2015-08-07 21:50:12
● 2016-12-27 03:24:16
○ 2018-12-20 12:53:46
○ 2026-04-23 23:26:22

●A2606:4700:3030::6815:49362026-02-14 → 2026-04-23 · 10 obs

●A2606:4700:3037::ac43:9e422026-02-14 → 2026-04-23 · 10 obs

○A2a06:98c1:3120::2026-02-27 → 2026-03-26 · 8 obs

○ 2026-02-15 11:01:24
● 2026-02-27 09:33:38
○ 2026-03-01 19:47:24
○ 2026-03-08 23:51:06
● 2026-03-09 01:48:34
● 2026-03-26 03:39:38
○ 2026-03-30 04:55:08
○ 2026-04-23 23:26:22

○A2a06:98c1:3121::2026-02-27 → 2026-03-26 · 8 obs

○ 2026-02-15 11:01:24
● 2026-02-27 09:33:38
○ 2026-03-01 19:47:24
○ 2026-03-08 23:51:06
● 2026-03-09 01:48:34
● 2026-03-26 03:39:38
○ 2026-03-30 04:55:08
○ 2026-04-23 23:26:22

○CNAMEoverdue.aliyun.com2018-12-20 → 2026-02-15 · 4 obs

● 2018-12-20 12:53:46
● 2026-02-15 11:01:24
○ 2026-02-27 09:33:38
○ 2026-04-23 23:26:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rtcdk.com	phil.ns.cloudflare.com, anna.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.102

NS records: phil.ns.cloudflare.com, anna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcdk.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.158.66, 104.21.73.54`
AAAA	2	`2606:4700:3037::ac43:9e42, 2606:4700:3030::6815:4936`
NS	2	`anna.ns.cloudflare.com, phil.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anna.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (phil.ns.cloudflare.com, phil.ns.cloudflare.com, phil.ns.cloudflare.com...)

Analysis

IP Addresses

rtcdk.com resolves to four IP numbers: 2606:4700:3030::6815:4936, 2606:4700:3037::ac43:9e42, 104.21.73.54 and 172.67.158.66.

other host names for instance ipchilecapacita.cl, 2mbtdc.com, app.grandtheftarma.com, www.yaxi.cc and daltonnwci81471.like-blogs.com share IP numbers with rtcdk.com.

Name Servers

rtcdk.com is delegated to two name servers: anna.ns.cloudflare.com and phil.ns.cloudflare.com.

rtcdk.com shares the same name server setup as other domains, for example liubaoping.com, broomtunnel.com, wlmqsbyy.com, suichuanbanya.com and dancefit.com.

rtcdk.com at least partially shares name servers with other domains, for instance procura.is, inspora.com, vapechateau.com, blacklab.net and guante.cl.

Host names with six IP numbers:

anna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a66, 2803:f800:50::6ca2:c066, 2a06:98c1:50::ac40:2066, 108.162.192.102, 172.64.32.102 and 173.245.58.102; phil.ns.cloudflare.com points to: 2606:4700:58::adf5:3b89, 2803:f800:50::6ca2:c189, 2a06:98c1:50::ac40:2189, 108.162.193.137, 172.64.33.137 and 173.245.59.137.

rtcdk.com - robtex.com

rtcdk.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`rtcdk.com`

`com`