`sct.dev`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`lucy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c085^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lucy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2085^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lucy.ns.cloudflare.com`
		A	108.162.192.133^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	172.64.32.133^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	173.245.58.133^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
NS	`mark.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c182^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2182^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mark.ns.cloudflare.com`
		A	108.162.193.130^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	172.64.33.130^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	173.245.59.130^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`protonmail-verification=570faf6a680fe794ae3dab9216d49eb675431dc9`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`lucy.ns.cloudflare.com`dns@cloudflare.com serial=2406637105

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

sct.edu.om

sct.cl

sct.cv

sct.co.kr

sct.im

sct.company

sct.tw

sct.technology

sct.co.at

sct.ru

sct.gd.cn

sct.ce.gov.br

sct.cn

sct.travel

sct.ba.gov.br

sct.org.cn

sct.kz

sct.at

sct.fr

sct.gs

sct.pl

sct.com.gt

sct.com.vn

sct.org.pl

sct.com

sct.systems

sct.fi

sct.sk

sct.asia

sct.cc

sct.jp

sct.net.au

sct.com.br

sct.nhs.uk

sct.de

sct.pt

sct.or.jp

sct.info

sct.md

sct.co.th

sct.com.au

sct.network

sct.it

sct.foundation

sct.si

sct.us

sct.ch

sct.tools

sct.care

sct.lt

sct.krakow.pl

sct.eu

sct.ly

sct.dk

sct.cz

sct.works

sct.edu

sct.com.mx

sct.com.pl

sct.com.tw

sct.be

sct.co.jp

sct.team

sct.support

sct.nl

sct.qc.ca

sct.hu

sct.co.za

sct.rs.gov.br

sct.ir

sct.org.uk

sct.sg

sct.sakura.ne.jp

sct.zone

sct.ac.th

sct.net

sct.tv

sct.co

sct.by

sct.com.my

sct.vn

sct.dev

sct.se

sct.es

sct.com.ua

sct.hk

sct.com.tr

sct.skr.jp

sct.ltd

sct.nu

sct.gob.mx

sct.su

sct.me

sct.my

sct.org

sct.lviv.ua

sct.in

Similar names

stc.df.gov.br

cts.com.pl

cts.com.hr

cts.com.ua

tsc.co.il

cst.rs

stc.lt

stc.nsw.edu.au

cst.ac

cts.com

tcs.sg

tsc.email

cts.org.il

stc.spb.ru

stc.se

tsc.solar

cts.co.il

tcs.cl

tsc.moscow

cst.edu.bt

tcs.de

cst.nl

cst.edu

stc.info

tcs.se

stc.qld.edu.au

tcs.be

cst.nu

cst.net.pl

cts.org

tsc.net.sa

cts.co.kr

tsc.dk

cst.by

tsc.ie

tcs.ch

stc.com.my

tcs.fr

cst.com.my

cst.net.br

tcs.to

tsc.info

stc

stc.pl

cst.ca

tsc.co.nz

tcs.com.sv

cts.co.za

stc.edu.hk

cts.su

cts.com.et

tsc.lt

tsc.com

tcs.world

cst.org.tw

cts.mx

tcs.nl

tsc.hu

tcs.org.sg

stc.org.nz

cts.hu

tsc.co.kr

stc.group

tcs.com.sg

cts.com.kw

cts.pl

tsc.at

tcs.supply

tcs.ed.jp

stc.co.za

cts.lt

tcs.mobi

tsc.us.com

cst.pt

cts.agency

stc.sk

tsc.k12.in.us

cts.vn

tsc.ai

cts.cz

tcs.toys

tcs.cn

tcs.it

cst.tn

stc.org

tsc.ru

tcs.construction

tsc.kz

cts.az

tcs.com.cy

stc.ma.gov.br

tsc.lc

stc.ac.uk

stc.jp

cst.bz

cts.net

stc.appspot.com

stc.sg

cts.com.hk

cst.jp

cst.today

stc.ch

tsc.hockey

cst.asia

tcs.in

stc.sa.com

tcs.pictures

tsc.it

cst.tas.edu.au

stc.lv

tsc.es

tsc.edu

cts.cc

cts.at

stc.ac.in

tcs.ltd

cts.cloud

stc.net.kw

tcs.com.ve

tcs.email

stc.jp.net

stc.ac.cn

cts.host

cst.co.in

cst.mx

cst.world

stc.ru

cst.ro

stc.at

tsc.media

tcs.careers

tsc.co.th

tsc.properties

tsc.support

stc.edu.vn

tsc.bz

tsc.go.cr

DNS History

8 records (8 active, 0 former)

●NSlucy.ns.cloudflare.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●NSmark.ns.cloudflare.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●MXalt1.aspmx.l.google.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●MXalt2.aspmx.l.google.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●MXalt3.aspmx.l.google.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●MXalt4.aspmx.l.google.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●MXaspmx.l.google.com2021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

●A76.76.21.212021-07-02 → 2026-06-26 · 2 obs

● 2021-07-02 09:24:04
● 2026-06-26 22:20:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
sct.dev	mark.ns.cloudflare.com, lucy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.133

NS records: mark.ns.cloudflare.com, lucy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sct.dev (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`lucy.ns.cloudflare.com, mark.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`protonmail-verification=570faf6a680fe794, v=spf1 include:_spf.google.com ~all`
SOA	1	`lucy.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sct.dev directs to one IP number, which is 76.76.21.21.

Among the host names that share IP numbers with sct.dev are blogbase.com, detoucheaoreille.com, hotelpantries.com and two others.

Name Servers

Two name servers handle the delegation for sct.dev: lucy.ns.cloudflare.com and mark.ns.cloudflare.com.

sct.dev has the same name server delegation as a number of other domains, such as katnapolsky.nl, red(0x736578).net, solidweb.pt and two more.

There is at least partial name server overlap between sct.dev and other domains — dochub.co, kuponation.com, hollenbeck.pw and two more among them.

These name servers are routinely deployed together with the name servers princess.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lucy.ns.cloudflare.com resolves to 108.162.192.133, 172.64.32.133 and 173.245.58.133 among others, with 3 other IP addresses in total.

mark.ns.cloudflare.com resolves to 108.162.193.130, 172.64.33.130 and 173.245.59.130 among others, with 3 other IP addresses in total.