🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`study-computer.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:704^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:878c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.4^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.140^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c072^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2072^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eva.ns.cloudflare.com`
		A	108.162.192.114^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	172.64.32.114^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	173.245.58.114^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
MX	`mx1.mtc-server.de` ⭐
		A	46.165.166.203^{🇩🇪 DELUNET46.165.128.0/18}
			PTR	`mx1.mtc-server.de`
MX	`mx2.mtc-server.de`⁽²⁰⁾
		A	82.192.201.202^{🇩🇪 INTERNETT-AS82.192.192.0/19 internett GmbH Saarbruecken Germany http://www.internett.de}
			PTR	`mx2.mtc-server.de`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.4, 172.67.135.140
		IPv6 hints	2606:4700:3030::6815:704, 2606:4700:3036::ac43:878c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com
SOA	`eva.ns.cloudflare.com`dns@cloudflare.com serial=2413072932

`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=1789168178

Same first word

study-computer.com

Previous names

Next names

DNS History

15 records (8 active, 7 former)

●NSeva.ns.cloudflare.com2017-11-05 → 2026-09-11 · 3 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
● 2026-09-11 23:30:12

○NSns1.e-uni.de2015-07-11 → 2016-12-07 · 4 obs

● 2015-07-11 17:33:04
● 2016-12-07 23:11:56
○ 2017-11-05 05:19:08
○ 2026-09-11 23:30:12

○NSns2.e-uni.de2015-07-11 → 2016-12-07 · 4 obs

● 2015-07-11 17:33:04
● 2016-12-07 23:11:56
○ 2017-11-05 05:19:08
○ 2026-09-11 23:30:12

●NSwoz.ns.cloudflare.com2017-11-05 → 2026-09-11 · 3 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
● 2026-09-11 23:30:12

●MXmx1.mtc-server.de2015-07-11 → 2026-09-11 · 2 obs

● 2015-07-11 17:33:04
● 2026-09-11 23:30:12

●MXmx2.mtc-server.de2015-07-11 → 2026-09-11 · 2 obs

● 2015-07-11 17:33:04
● 2026-09-11 23:30:12

●A104.21.7.42026-09-05 → 2026-09-11 · 3 obs

○ 2017-11-05 05:19:08
● 2026-09-05 10:30:02
● 2026-09-11 23:30:12

○A104.28.26.1202017-11-05 → 2017-11-05 · 4 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
○ 2026-09-05 10:30:02
○ 2026-09-11 23:30:12

○A104.28.27.1202017-11-05 → 2017-11-05 · 4 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
○ 2026-09-05 10:30:02
○ 2026-09-11 23:30:12

●A172.67.135.1402026-09-05 → 2026-09-11 · 3 obs

○ 2017-11-05 05:19:08
● 2026-09-05 10:30:02
● 2026-09-11 23:30:12

○A2400:cb00:2048:1::681c:1a782017-11-05 → 2017-11-05 · 4 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
○ 2026-09-05 10:30:02
○ 2026-09-11 23:30:12

○A2400:cb00:2048:1::681c:1b782017-11-05 → 2017-11-05 · 4 obs

○ 2016-12-07 23:11:56
● 2017-11-05 05:19:08
○ 2026-09-05 10:30:02
○ 2026-09-11 23:30:12

●A2606:4700:3030::6815:7042026-09-05 → 2026-09-11 · 3 obs

○ 2017-11-05 05:19:08
● 2026-09-05 10:30:02
● 2026-09-11 23:30:12

●A2606:4700:3036::ac43:878c2026-09-05 → 2026-09-11 · 3 obs

○ 2017-11-05 05:19:08
● 2026-09-05 10:30:02
● 2026-09-11 23:30:12

○A46.165.166.2062015-07-11 → 2016-12-07 · 4 obs

● 2015-07-11 17:33:04
● 2016-12-07 23:11:56
○ 2017-11-05 05:19:08
○ 2026-09-11 23:30:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
study-computer.com	eva.ns.cloudflare.com, woz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.114

NS records: eva.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study-computer.com (unsigned zone)

⏱️ Timing

Total: 473ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.140, 104.21.7.4`
AAAA	2	`2606:4700:3030::6815:704, 2606:4700:3036::ac43:878c`
NS	2	`eva.ns.cloudflare.com, woz.ns.cloudflare.com`
MX	2	`mx1.mtc-server.de (pri: 10), mx2.mtc-server.de (pri: 20)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eva.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

study-computer.com has four IP addresses: 104.21.7.4, 172.67.135.140, 2606:4700:3030::6815:704 and 2606:4700:3036::ac43:878c.

n0ah.net, cyber-n.com, honest-engineering.com plus two other host names have IP numbers in common with study-computer.com.

Name Servers

study-computer.com has two authoritative name servers — eva.ns.cloudflare.com and woz.ns.cloudflare.com.

The name server configuration of study-computer.com is shared with other domains, for instance bagdon.me, autostop-connect.com, ipackbox.workers.dev and two others.

study-computer.com partially shares its NS delegation with several other domains, including kaga21aspx.net, nexorvintalis.com, builtwithflarum.com and two others.

These name servers are regularly seen alongside etta.ns.cloudflare.com and jasmine.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

eva.ns.cloudflare.com points to 108.162.192.114, 172.64.32.114, 173.245.58.114 and 3 other IP addresses.

woz.ns.cloudflare.com points to 108.162.193.150, 172.64.33.150, 173.245.59.150 and 3 other IP addresses.

Mail Servers

study-computer.com uses two mail servers, mx1.mtc-server.de and mx2.mtc-server.de.

The mail server setup of study-computer.com matches that of other domains such as e-uni.de, university-directory.eu, study-mathematics.com and two others.

At least some of the mail servers used by study-computer.com are shared with other domains: wefeko.de, jenshausen.de, bf-server.de and two others among them.

mx1.mtc-server.de resolves to 46.165.166.203. mx2.mtc-server.de resolves to 82.192.201.202. Both host names point to a single IP number.

study-computer.com - robtex.com