🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studytechniques.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3acc^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a4a6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.204^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.166^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`dina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dina.ns.cloudflare.com`
		A	108.162.192.107^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	172.64.32.107^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	173.245.58.107^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22 GoDaddy.com, LLC}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.204, 172.67.164.166
		IPv6 hints	2606:4700:3033::6815:3acc, 2606:4700:3037::ac43:a4a6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2416361463

`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=1793371019

WOT: SAFE (64/100)

Previously MX for

studytechniques.org

Same first word

studytechniques.com

studytechniques.org

studytechniques.info

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSbob.ns.cloudflare.com2026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

●NSdina.ns.cloudflare.com2026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

○NSns1.accountingcareersnow.com2015-07-18 → 2017-03-28 · 4 obs

● 2015-07-18 03:43:16
● 2017-03-28 17:48:30
○ 2026-09-16 17:41:48
○ 2026-10-30 15:01:46

○NSns2.accountingcareersnow.com2015-07-18 → 2017-03-28 · 4 obs

● 2015-07-18 03:43:16
● 2017-03-28 17:48:30
○ 2026-09-16 17:41:48
○ 2026-10-30 15:01:46

●MXmailstore1.secureserver.net2026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

●MXsmtp.secureserver.net2026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

○MXstudytechniques.org2015-07-18 → 2017-03-28 · 4 obs

● 2015-07-18 03:43:16
● 2017-03-28 17:48:30
○ 2026-09-16 17:41:48
○ 2026-10-30 15:01:46

●A104.21.58.2042026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

●A172.67.164.1662026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

●A2606:4700:3033::6815:3acc2026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

●A2606:4700:3037::ac43:a4a62026-09-16 → 2026-10-30 · 3 obs

○ 2017-03-28 17:48:30
● 2026-09-16 17:41:48
● 2026-10-30 15:01:46

○A54.149.82.1982015-07-18 → 2017-03-28 · 4 obs

● 2015-07-18 03:43:16
● 2017-03-28 17:48:30
○ 2026-09-16 17:41:48
○ 2026-10-30 15:01:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
studytechniques.org	bob.ns.cloudflare.com, dina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.104

NS records: bob.ns.cloudflare.com, dina.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at org: Error: DNS query timeout: 199.249.120.1 for DNSKEY org

⏱️ Timing

Total: 4133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.204, 172.67.164.166`
AAAA	2	`2606:4700:3037::ac43:a4a6, 2606:4700:3033::6815:3acc`
NS	2	`bob.ns.cloudflare.com, dina.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

studytechniques.org resolves to four IP addresses: 104.21.58.204, 172.67.164.166, 2606:4700:3033::6815:3acc and 2606:4700:3037::ac43:a4a6.

heliostek.co.uk, pureharmonyse.shop, elamanagements.com and two other host names share IP numbers with studytechniques.org.

Name Servers

DNS delegation for studytechniques.org points to two name servers: bob.ns.cloudflare.com and dina.ns.cloudflare.com.

studytechniques.org uses the same name servers as several other domains — among them seniors.bio, ambarhue.com, frangera0911.workers.dev and two more.

studytechniques.org shares at least some of its name servers with other domains, including extraordinaryofficial.com, 384817228.workers.dev, casino7753.lol and two others.

These name servers are frequently seen alongside the name servers jeremy.ns.cloudflare.com, brianna.ns.cloudflare.com, dom.ns.cloudflare.com and violet.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bob.ns.cloudflare.com has IP addresses 108.162.193.104, 172.64.33.104 and 173.245.59.104, plus 3 other.

dina.ns.cloudflare.com has IP addresses 108.162.192.107, 172.64.32.107 and 173.245.58.107, plus 3 other.

Mail Servers

Mail for studytechniques.org is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.

studytechniques.org uses an identical mail server configuration to several other domains — among them holtzclawcustommemorials.com, kayakingsarasotafl.com, celticshine.com and two more.

studytechniques.org shares at least some of its mail servers with other domains, such as impala1960.de.

mailstore1.secureserver.net and smtp.secureserver.net each resolve to three IP addresses. mailstore1.secureserver.net resolves to 216.69.141.78, 216.69.141.114 and 216.69.141.162. smtp.secureserver.net resolves to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

studytechniques.org - robtex.com