rtcup.com - dns.ninja

`rtcup.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b159:2be8:f48c:b374^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.131.54^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-131-54.compute-1.amazonaws.com`
		A	13.222.195.178^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-195-178.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b942:bb73:2f59:d7af^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:da4a:4683:1131:8bce^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
		A	98.83.212.177^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-212-177.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-29 #1

`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=1782726780

Same first word

rtcup.com

Similar names

urtpc.com

curtp.com

crupt.com

utpcr.org

pctur.com

tupcr.ac.th

ptrcu.com

trcup.com

rtcpu.org

cptru.com

utcpr.edu

utrcp.org

ctrup.ru

upctr.ru

cutpr.org.br

crptu.com

DNS History

20 records (7 active, 13 former)

●NSns1.namebrightdns.com2015-08-13 → 2026-06-29 · 5 obs

● 2015-08-13 23:20:24
● 2016-03-18 02:51:28
○ 2016-07-14 02:48:24
● 2017-03-18 13:24:54
● 2026-06-29 09:53:18

○NSns2.namebrightdns.com2015-08-13 → 2017-03-18 · 7 obs

● 2015-08-13 23:20:24
● 2015-12-15 20:45:04
○ 2016-03-18 02:51:28
○ 2016-07-14 02:48:24
● 2017-03-18 13:24:54
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

●NSnsg1.namebrightdns.com2016-03-18 → 2026-06-29 · 6 obs

○ 2015-12-15 20:45:04
● 2016-03-18 02:51:28
● 2016-07-14 02:48:24
○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

●NSnsg2.namebrightdns.com2016-03-18 → 2026-06-29 · 6 obs

○ 2015-12-15 20:45:04
● 2016-03-18 02:51:28
● 2016-07-14 02:48:24
○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

○A107.23.160.2182015-12-15 → 2015-12-15 · 4 obs

○ 2015-08-13 23:20:24
● 2015-12-15 20:45:04
○ 2016-03-18 02:51:28
○ 2026-06-29 09:53:18

○A107.23.198.2402016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-18 02:51:28
● 2016-07-14 02:48:24
○ 2017-03-18 13:24:54
○ 2026-06-29 09:53:18

●A13.223.25.842026-04-14 → 2026-06-29 · 3 obs

○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-14 → 2026-06-29 · 3 obs

○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-14 → 2026-06-29 · 3 obs

○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

○A34.206.157.642017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-14 02:48:24
● 2017-03-18 13:24:54
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

○A52.21.180.2332016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-15 20:45:04
● 2016-03-18 02:51:28
○ 2016-07-14 02:48:24
○ 2026-06-29 09:53:18

○A52.3.120.902016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-15 20:45:04
● 2016-03-18 02:51:28
○ 2016-07-14 02:48:24
○ 2026-06-29 09:53:18

○A52.4.72.1372016-07-14 → 2016-07-14 · 4 obs

○ 2016-03-18 02:51:28
● 2016-07-14 02:48:24
○ 2017-03-18 13:24:54
○ 2026-06-29 09:53:18

○A54.174.31.2542015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 23:20:24
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

○A54.208.74.2152015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 23:20:24
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

○A54.209.90.812015-12-15 → 2015-12-15 · 4 obs

○ 2015-08-13 23:20:24
● 2015-12-15 20:45:04
○ 2016-03-18 02:51:28
○ 2026-06-29 09:53:18

○A54.236.195.152017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-14 02:48:24
● 2017-03-18 13:24:54
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

●A54.243.117.1972026-04-14 → 2026-06-29 · 3 obs

○ 2017-03-18 13:24:54
● 2026-04-14 11:01:04
● 2026-06-29 09:53:18

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-13 → 2016-07-14 · 4 obs

● 2015-08-13 23:20:24
● 2016-07-14 02:48:24
○ 2017-03-18 13:24:54
○ 2026-06-29 09:53:18

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-14 02:48:24
● 2017-03-18 13:24:54
○ 2026-04-14 11:01:04
○ 2026-06-29 09:53:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rtcup.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.175.130.15

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcup.com (unsigned zone)

⏱️ Timing

Total: 536ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

rtcup.com points to the four IP addresses 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with rtcup.com are bn51.com, pm.1688steam.com, smile13.com and two others.

Name Servers

Three name servers are authoritative for rtcup.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least some of rtcup.com's name servers are shared with other domains, for example blowfree.com, thegreatgrovebedrace.com, feeltera.com and two more.

It is common for these name servers to be used in conjunction with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names resolving to 6 IP numbers:

nsg1.namebrightdns.com carries IP addresses 13.221.131.54, 13.222.195.178 and 54.175.130.15, with 3 other addresses beyond those.

nsg2.namebrightdns.com carries IP addresses 3.80.109.14, 98.81.3.34 and 98.83.212.177, with 3 other addresses beyond those.

Hostnames that point to five IP numbers:

ns1.namebrightdns.com directs to 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two other IP addresses.