`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:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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=2408791932

`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.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

stc.com.iq

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 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●NSmark.ns.cloudflare.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●MXalt1.aspmx.l.google.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●MXalt2.aspmx.l.google.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●MXalt3.aspmx.l.google.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●MXalt4.aspmx.l.google.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●MXaspmx.l.google.com2021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

●A76.76.21.212021-07-02 → 2026-07-24 · 2 obs

● 2021-07-02 09:24:04
● 2026-07-24 07:46:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
sct.dev	mark.ns.cloudflare.com, lucy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.130

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: 1188ms | 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`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

sct.dev points to a single IP number: 76.76.21.21.

Additional host names — blogbase.com, valegrana.com, detoucheaoreille.com and two others — share IP numbers with sct.dev.

Name Servers

DNS delegation for sct.dev points to two name servers: lucy.ns.cloudflare.com and mark.ns.cloudflare.com.

sct.dev shares its name server setup with other domains, including katnapolsky.nl, red(0x736578).net, solidweb.pt and two others.

At least some of sct.dev's name servers are shared with other domains, for example dochub.co, kuponation.com, hollenbeck.pw and two more.

These name servers tend to be deployed in combination with the name servers princess.ns.cloudflare.com and apollo.ns.cloudflare.com.

Host names with 6 IP numbers:

lucy.ns.cloudflare.com has IP addresses 108.162.192.133, 172.64.32.133 and 173.245.58.133, plus 3 other.

mark.ns.cloudflare.com has IP addresses 108.162.193.130, 172.64.33.130 and 173.245.59.130, plus 3 other.

Mail Servers

sct.dev has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

sct.dev shares mail servers — at least in part — with other domains, including erinenderlin.com, ns500698.ns500758.ns500758.ns500698.ns500735.ns500736.ns500735.ns500735.ns500576.ns500708.ns500686.ns500686.ns500652.ns500619.trackreceptor.com, ns500671.ns500671.ns500754.ns500731.ns500704.ns500671.ns500704.ns500705.ns500688.ns500688.ns500649.ns500671.ns500291.ns500291.ns500131.lustychickser.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com has two IP addresses: 142.251.167.27 and 2607:f8b0:4004:c19::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.

sct.dev - robtex.com

sct.dev

dev

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

Mail Servers

`sct.dev`

`dev`