`sdtek.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:87e4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:751^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.81^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.228^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`elisa.ns.cloudflare.com`
		A	2606:4700:50::a29f:2636^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c236^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2236^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elisa.ns.cloudflare.com`
		A	108.162.194.54^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	162.159.38.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	172.64.34.54^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.81, 172.67.135.228
		IPv6 hints	2606:4700:3031::ac43:87e4, 2606:4700:3035::6815:751
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=195, name=cloudflare-ech.com
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2409719830

`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=1784587132

📈 Tranco rank: #245,215

Subdomains

nl.sdtek.com

us.sdtek.com

it.sdtek.com

ca.sdtek.com

au.sdtek.com

no.sdtek.com

de.sdtek.com

se.sdtek.com

es.sdtek.com

fr.sdtek.com

ie.sdtek.com

Same first word

sdtek.ca

sdtek.biz

sdtek.com

sdtek.cn

sdtek.net

sdtek.co.kr

Similar names

sktde.ru

edtks.com

tsked.com

kedst.co.uk

tkdes.fr

tkdes.net

dtske.com

tdesk.net

dstek.de

ksedt.net

ksedt.com

tdesk.de

estkd.com

tkesd.com

dktes.com

tkesd.cn

kedst.com

tdkes.ru

teksd.com

stked.com

deskt.com

dekst.ru

dstek.org

dkset.com

kedst.ac.uk

tskde.com

dkest.com

dkest.ro

setkd.com

tdesk.cn

dstek.com

tdesk.com.br

kdest.com

dstek.biz

dstek.net

ksdte.com

tdesk.uk

ksedt.cn

detsk.com

DNS History

24 records (11 active, 13 former)

●NSalbert.ns.cloudflare.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

●NSelisa.ns.cloudflare.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

○NSns1.gridhost.com2015-08-09 → 2016-11-30 · 4 obs

● 2015-08-09 16:42:18
● 2016-11-30 23:57:22
○ 2026-03-24 23:04:36
○ 2026-07-20 23:00:56

○NSns2.gridhost.com2015-08-09 → 2016-11-30 · 4 obs

● 2015-08-09 16:42:18
● 2016-11-30 23:57:22
○ 2026-03-24 23:04:36
○ 2026-07-20 23:00:56

●MXalt1.aspmx.l.google.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

●MXalt2.aspmx.l.google.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

●MXaspmx.l.google.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

●MXaspmx2.googlemail.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

●MXaspmx3.googlemail.com2026-03-24 → 2026-07-20 · 3 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-07-20 23:00:56

○MXmail.b-io.co2015-08-09 → 2016-11-30 · 4 obs

● 2015-08-09 16:42:18
● 2016-11-30 23:57:22
○ 2026-03-24 23:04:36
○ 2026-07-20 23:00:56

●A104.21.7.812026-03-24 → 2026-07-20 · 8 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-05-25 02:02:16
○ 2026-06-03 04:17:56
● 2026-06-09 09:13:58
○ 2026-07-10 01:27:04
● 2026-07-12 06:43:20
● 2026-07-20 23:00:56

○A104.247.212.2182016-11-30 → 2016-11-30 · 4 obs

○ 2016-07-18 05:19:46
● 2016-11-30 23:57:22
○ 2026-03-24 23:04:36
○ 2026-07-20 23:00:56

●A172.67.135.2282026-03-24 → 2026-07-20 · 8 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-05-25 02:02:16
○ 2026-06-03 04:17:56
● 2026-06-09 09:13:58
○ 2026-07-10 01:27:04
● 2026-07-12 06:43:20
● 2026-07-20 23:00:56

○A188.114.96.02026-06-03 → 2026-07-10 · 6 obs

○ 2026-05-25 02:02:16
● 2026-06-03 04:17:56
○ 2026-06-09 09:13:58
● 2026-07-10 01:27:04
○ 2026-07-12 06:43:20
○ 2026-07-20 23:00:56

○A188.114.97.02026-06-03 → 2026-07-10 · 6 obs

○ 2026-05-25 02:02:16
● 2026-06-03 04:17:56
○ 2026-06-09 09:13:58
● 2026-07-10 01:27:04
○ 2026-07-12 06:43:20
○ 2026-07-20 23:00:56

○A216.244.83.502016-03-19 → 2016-07-18 · 5 obs

○ 2016-01-18 07:37:56
● 2016-03-19 02:11:20
● 2016-07-18 05:19:46
○ 2016-11-30 23:57:22
○ 2026-07-20 23:00:56

○A23.236.48.502015-08-09 → 2015-10-11 · 4 obs

● 2015-08-09 16:42:18
● 2015-10-11 17:27:38
○ 2015-12-09 23:32:04
○ 2026-07-20 23:00:56

●A2606:4700:3031::ac43:87e42026-07-02 → 2026-07-20 · 5 obs

○ 2026-06-14 06:26:08
● 2026-07-02 04:58:42
○ 2026-07-10 01:27:04
● 2026-07-12 06:43:20
● 2026-07-20 23:00:56

○A2606:4700:3034::ac43:87e42026-03-24 → 2026-06-14 · 8 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-05-25 02:02:16
○ 2026-06-03 04:17:56
● 2026-06-09 09:13:58
● 2026-06-14 06:26:08
○ 2026-07-02 04:58:42
○ 2026-07-20 23:00:56

●A2606:4700:3035::6815:7512026-07-02 → 2026-07-20 · 5 obs

○ 2026-06-14 06:26:08
● 2026-07-02 04:58:42
○ 2026-07-10 01:27:04
● 2026-07-12 06:43:20
● 2026-07-20 23:00:56

○A2606:4700:3037::6815:7512026-03-24 → 2026-06-14 · 8 obs

○ 2016-11-30 23:57:22
● 2026-03-24 23:04:36
● 2026-05-25 02:02:16
○ 2026-06-03 04:17:56
● 2026-06-09 09:13:58
● 2026-06-14 06:26:08
○ 2026-07-02 04:58:42
○ 2026-07-20 23:00:56

○A2a06:98c1:3120::2026-06-03 → 2026-07-10 · 6 obs

○ 2026-05-25 02:02:16
● 2026-06-03 04:17:56
○ 2026-06-09 09:13:58
● 2026-07-10 01:27:04
○ 2026-07-12 06:43:20
○ 2026-07-20 23:00:56

○A2a06:98c1:3121::2026-06-03 → 2026-07-10 · 6 obs

○ 2026-05-25 02:02:16
● 2026-06-03 04:17:56
○ 2026-06-09 09:13:58
● 2026-07-10 01:27:04
○ 2026-07-12 06:43:20
○ 2026-07-20 23:00:56

○A69.30.201.702015-12-09 → 2016-01-18 · 5 obs

○ 2015-10-11 17:27:38
● 2015-12-09 23:32:04
● 2016-01-18 07:37:56
○ 2016-03-19 02:11:20
○ 2026-07-20 23:00:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
sdtek.com	albert.ns.cloudflare.com, elisa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.54

NS records: albert.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdtek.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.81, 172.67.135.228`
AAAA	2	`2606:4700:3035::6815:751, 2606:4700:3031::ac43:87e4`
NS	2	`albert.ns.cloudflare.com, elisa.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

sdtek.com is the parent domain of nl.sdtek.com, us.sdtek.com, it.sdtek.com, ca.sdtek.com, au.sdtek.com and a few other host names.

IP Addresses

sdtek.com resolves to four IP addresses: 104.21.7.81, 172.67.135.228, 2606:4700:3031::ac43:87e4 and 2606:4700:3035::6815:751.

egretsolar.com, jackpotnews.co.uk, aesir.org.uk plus two other host names have IP numbers in common with sdtek.com.

Name Servers

sdtek.com is delegated to two name servers: albert.ns.cloudflare.com and elisa.ns.cloudflare.com.

The name server configuration of sdtek.com is shared with other domains, for instance lidbrooklyn.org, support-security-information-account6-djt.pages.dev, gipervdom.ru and two others.

sdtek.com shares at least some of its name servers with other domains, including displayvoordeel.com, bj88games.support, ckmi.ru and two others.

These name servers are frequently paired with the name servers marissa.ns.cloudflare.com and dee.ns.cloudflare.com.

Hosts with 6 IP addresses each:

albert.ns.cloudflare.com resolves to 108.162.193.58, 172.64.33.58, 173.245.59.58 and 3 other IP addresses.

elisa.ns.cloudflare.com resolves to 108.162.194.54, 162.159.38.54, 172.64.34.54 and 3 other IP addresses.

Mail Servers

sdtek.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by sdtek.com are shared with other domains: mydudedog.com, serpik.at, myessayservices.com and two others among them.

These mail servers are often deployed together with alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 142.251.163.27 and 2607:f8b0:4004:c25::1b.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1b IP addresses.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.