🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`simtechdev.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d054^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3520^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.32^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.84^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dara.ns.cloudflare.com`
		A	108.162.192.91^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	172.64.32.91^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	173.245.58.91^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-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	172.253.116.26^{🇺🇸 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	192.178.223.26^{🇺🇸 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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
MX	`h7envyp7pnl7jwsjmzyo4mpeqgceganrh2utwgckqbdqnnbckxqa.mx-verification.google.com`⁽¹⁵⁾
TXT	`atlassian-domain-verification=4xveVe7C/QfaCHcKs1Q3xLZd/BATZmaYy3F55Xxc3l/Hywz...`
TXT	`facebook-domain-verification=yd0cja57djejfvbo1k4cso6w0swkuk`
TXT	`google-site-verification=GJrvgRlGAdiryANtrx8ByntvapIGTLIIcYQWpMGwiOc`
TXT	`google-site-verification=QjfuJpLY27vn0x-0CnR31SaPFWBrV_FmbTjzPCL3iTI`
TXT	`v=spf1 ip4:137.74.144.114/32 ip4:167.99.130.154/32 ip4:54.38.115.33/32 includ...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.32, 172.67.208.84
		IPv6 hints	2606:4700:3031::ac43:d054, 2606:4700:3037::6815:3520
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`dara.ns.cloudflare.com`dns@cloudflare.com serial=2412010268

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1788275396

Same first word

simtechdev.ru

simtechdev.net

simtechdev.com

simtechdev.org

simtechdev.us

Similar names

mhcdevsite.com

medvistech.com

mhcdevsite.website

Previous names

simt-alumni.org

simt.org

simt24.org

simta.org

simtable.org

simtac.org

simtaccity.org

simtaiwan.org

simtalk.org

simtandem.org

simtank.org

simtas.org

simtavokira.org

simtax.org

simtaxi.org

simtd.org

simte-magia.org

simtec.org

Next names

DNS History

16 records (12 active, 4 former)

●NSdara.ns.cloudflare.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●NStom.ns.cloudflare.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXalt1.aspmx.l.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXalt2.aspmx.l.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXalt3.aspmx.l.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXalt4.aspmx.l.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXaspmx.l.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●MXh7envyp7pnl7jwsjmzyo4mpeqgceganrh2utwgckqbdqnnbckxqa.mx-verification.google.com2026-08-29 → 2026-09-01 · 2 obs

● 2026-08-29 14:48:42
● 2026-09-01 16:09:16

●A104.21.53.322026-09-01 → 2026-09-01 · 3 obs

○ 2026-08-29 14:48:42
● 2026-09-01 16:09:10
● 2026-09-01 16:09:16

●A172.67.208.842026-09-01 → 2026-09-01 · 3 obs

○ 2026-08-29 14:48:42
● 2026-09-01 16:09:10
● 2026-09-01 16:09:16

○A188.114.96.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 14:48:42
○ 2026-09-01 16:09:10
○ 2026-09-01 16:09:16

○A188.114.97.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 14:48:42
○ 2026-09-01 16:09:10
○ 2026-09-01 16:09:16

●A2606:4700:3031::ac43:d0542026-09-01 → 2026-09-01 · 3 obs

○ 2026-08-29 14:48:42
● 2026-09-01 16:09:10
● 2026-09-01 16:09:16

●A2606:4700:3037::6815:35202026-09-01 → 2026-09-01 · 3 obs

○ 2026-08-29 14:48:42
● 2026-09-01 16:09:10
● 2026-09-01 16:09:16

○A2a06:98c1:3120::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 14:48:42
○ 2026-09-01 16:09:10
○ 2026-09-01 16:09:16

○A2a06:98c1:3121::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 14:48:42
○ 2026-09-01 16:09:10
○ 2026-09-01 16:09:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
simtechdev.org	dara.ns.cloudflare.com, tom.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.91

NS records: dara.ns.cloudflare.com, tom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simtechdev.org (unsigned zone)

⏱️ Timing

Total: 460ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.84, 104.21.53.32`
AAAA	2	`2606:4700:3031::ac43:d054, 2606:4700:3037::6815:3520`
NS	2	`dara.ns.cloudflare.com, tom.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	5	`atlassian-domain-verification=4xveVe7C/Q, facebook-domain-verification=yd0cja57dje...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dara.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

simtechdev.org directs to four IP numbers, which are 104.21.53.32, 172.67.208.84, 2606:4700:3031::ac43:d054 and 2606:4700:3037::6815:3520.

Among the host names that share IP numbers with simtechdev.org are compas.one, instantavapro-official.com, vistasharesportolios.org and two others.

Name Servers

DNS delegation for simtechdev.org points to two name servers: dara.ns.cloudflare.com and tom.ns.cloudflare.com.

simtechdev.org has the same name server delegation as a number of other domains, such as mouly.pages.dev, simtechdev.us, intelsamamt.workers.dev and two more.

The name servers of simtechdev.org overlap at least partially with those of other domains — among them uzbekskoe.me, songlandworld.digital, gaplo.tech and two more.

The name servers junade.ns.cloudflare.com, ophelia.ns.cloudflare.com and kia.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

dara.ns.cloudflare.com has IP addresses 108.162.192.91, 172.64.32.91 and 173.245.58.91, plus 3 other.

tom.ns.cloudflare.com has IP addresses 108.162.193.147, 172.64.33.147 and 173.245.59.147, plus 3 other.

Mail Servers

simtechdev.org has 6 mail servers — aspmx.l.google.com, h7envyp7pnl7jwsjmzyo4mpeqgceganrh2utwgckqbdqnnbckxqa.mx-verification.google.com, alt1.aspmx.l.google.com plus 3 other.

simtechdev.org shares at least some of its mail servers with other domains — for example alaskansolutionsllc.com, hadisoufan.com, modolo.club and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 more.

Hosts with two IP numbers each:

aspmx.l.google.com has two IP addresses: 173.194.45.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

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

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.