qcstd.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`qcstd.com`

DNSSEC	⚠️ Not signed
A	192.0.2.1
NS	`brit.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brit.ns.cloudflare.com`
		A	108.162.192.78^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	172.64.32.78^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	173.245.58.78^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
NS	`ivan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
MX	`mail.qcstd.com` ⭐
		A	91.236.255.161^{🇫🇷 TECHCREA-SOLUTIONS91.236.255.0/24}
			PTR	`r.qcstd.com`
TXT	`v=spf1 ip4:86.104.252.74 mx ~all`
SOA	`brit.ns.cloudflare.com`dns@cloudflare.com serial=2412178859

`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=1786874934

Subdomains

mail.qcstd.com

r.qcstd.com

Same first word

qcstd.com

Similar names

sdtcq.com

qctsd.com

qdsct.cn

tsqdc.edu.vn

qdtsc.com

dcqst.com

cdtqs.cn

cqsdt.com

sqtdc.com

dqcts.com

tdqcs.com

stdcq.com

cdqst.com

cstqd.com

DNS History

11 records (4 active, 7 former)

●NSbrit.ns.cloudflare.com2026-03-21 → 2026-08-16 · 3 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-08-16 10:27:16

●NSivan.ns.cloudflare.com2026-03-21 → 2026-08-16 · 3 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-08-16 10:27:16

○NSns1.dnsdun.net2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:34:20
○ 2017-11-29 18:23:32
○ 2026-08-16 10:27:16

○NSns3.dnsdun.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:34:20
○ 2017-11-29 18:23:32
○ 2026-08-16 10:27:16

●MXmail.qcstd.com2026-03-21 → 2026-08-16 · 2 obs

● 2026-03-21 12:36:16
● 2026-08-16 10:27:16

○A104.21.65.1032026-03-21 → 2026-03-26 · 5 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-03-26 16:00:16
○ 2026-05-06 13:03:14
○ 2026-08-16 10:27:16

○A172.67.161.1502026-03-21 → 2026-03-26 · 5 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-03-26 16:00:16
○ 2026-05-06 13:03:14
○ 2026-08-16 10:27:16

●A192.0.2.12026-05-06 → 2026-08-16 · 3 obs

○ 2026-03-26 16:00:16
● 2026-05-06 13:03:14
● 2026-08-16 10:27:16

○A198.204.249.1462016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 22:34:20
○ 2017-11-29 18:23:32
○ 2026-08-16 10:27:16

○A2606:4700:3031::ac43:a1962026-03-21 → 2026-03-26 · 5 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-03-26 16:00:16
○ 2026-05-06 13:03:14
○ 2026-08-16 10:27:16

○A2606:4700:3035::6815:41672026-03-21 → 2026-03-26 · 5 obs

○ 2017-11-29 18:23:32
● 2026-03-21 12:36:16
● 2026-03-26 16:00:16
○ 2026-05-06 13:03:14
○ 2026-08-16 10:27:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
qcstd.com	ivan.ns.cloudflare.com, brit.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.120

NS records: ivan.ns.cloudflare.com, brit.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qcstd.com (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.0.2.1`
NS	2	`brit.ns.cloudflare.com, ivan.ns.cloudflare.com`
MX	1	`mail.qcstd.com (pri: 10)`
TXT	1	`v=spf1 ip4:86.104.252.74 mx ~all`
SOA	1	`brit.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent domain of mail.qcstd.com and r.qcstd.com is qcstd.com.

IP Addresses

qcstd.com directs to one IP number, which is 192.0.2.1.

Among the host names that share IP numbers with qcstd.com are neutralgroundswholesale.com.au, quirinalhill.org, apari-solutions.com and two others.

Name Servers

qcstd.com is delegated to two name servers: brit.ns.cloudflare.com and ivan.ns.cloudflare.com.

qcstd.com has the same name server delegation as a number of other domains, such as themarlborougharms.co.uk, ashing.com, mulchxpress.com.au and two more.

qcstd.com shares at least some of its name servers with other domains, including advmp.com, coloradoriveradventures.com, s3smiles.com and two others.

These name servers are frequently paired with the name servers erin.ns.cloudflare.com and micah.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

brit.ns.cloudflare.com resolves to 108.162.192.78, 172.64.32.78, 173.245.58.78 and 3 other IP addresses.

ivan.ns.cloudflare.com resolves to 108.162.193.120, 172.64.33.120, 173.245.59.120 and 3 other IP addresses.

Mail Servers

qcstd.com routes its mail through a single mail server, mail.qcstd.com.

qcstd.com and domains like ibout.me share an identical mail server configuration.

mail.qcstd.com resolves to a single IP number: 91.236.255.161.