`csr-academy.com`

DNSSEC	⚠️ Not signed
A	81.19.154.98^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
		PTR	`redirect01.world4you.com`
NS	`ns1.world4you.at` ⭐
		A	2607:f1c0:fe:53:185:132:32:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1.world4you.at`
		A	185.132.32.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1.world4you.at`
NS	`ns2.world4you.at`
		A	2001:8d8:fe:53:217:160:82:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
		A	217.160.82.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns2.world4you.at`
MX	`mail.csr-academy.com` ⭐
		A	81.19.154.99^{🇦🇹 IONOS-AS81.19.144.0/20 World4You.com}
			PTR	`mwl01.world4you.com`
SOA	`ns1.world4you.at`hostmaster@world4you.com 2025-03-19 #7

`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=1778588666

WOT: SAFE (60/100)

Subdomains

www.csr-academy.com

mail.csr-academy.com

Same first word

csr-academy.com

csr-academy.org

Similar names

src-academy.com

rsc-academy.com

src-academy.de

DNS History

25 records (4 active, 21 former)

○NSns1.namebrightdns.com2016-11-18 → 2017-01-01 · 5 obs

○ 2016-10-11 06:03:38
● 2016-11-18 00:07:36
● 2017-01-01 05:16:12
○ 2026-02-15 02:38:08
○ 2026-05-12 12:30:36

○NSns1.redknot.nl2015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

○NSns1.simpel-hosting.nl2007-12-03 → 2007-12-03 · 3 obs

● 2007-12-03 08:43:38
○ 2015-08-29 13:11:50
○ 2026-05-12 12:30:36

●NSns1.world4you.at2026-02-15 → 2026-05-12 · 3 obs

○ 2017-01-01 05:16:12
● 2026-02-15 02:38:08
● 2026-05-12 12:30:36

○NSns2.namebrightdns.com2016-11-18 → 2017-01-01 · 5 obs

○ 2016-10-11 06:03:38
● 2016-11-18 00:07:36
● 2017-01-01 05:16:12
○ 2026-02-15 02:38:08
○ 2026-05-12 12:30:36

○NSns2.redknot.nl2015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

●NSns2.world4you.at2026-02-15 → 2026-05-12 · 3 obs

○ 2017-01-01 05:16:12
● 2026-02-15 02:38:08
● 2026-05-12 12:30:36

○NSns3.redknot.nl2015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

○NSns3.simpel-hosting.nl2007-12-03 → 2007-12-03 · 3 obs

● 2007-12-03 08:43:38
○ 2015-08-29 13:11:50
○ 2026-05-12 12:30:36

○NSns4.simpel-hosting.nl2007-12-03 → 2007-12-03 · 3 obs

● 2007-12-03 08:43:38
○ 2015-08-29 13:11:50
○ 2026-05-12 12:30:36

●MXmail.csr-academy.com2007-12-03 → 2026-05-12 · 5 obs

● 2007-12-03 08:43:38
○ 2015-08-29 13:11:50
○ 2017-01-01 05:16:12
● 2026-02-15 02:38:08
● 2026-05-12 12:30:36

○MXmx01.redknot.nl2015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

○MXmx02.redknot.nl2015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

○A193.93.174.262007-12-03 → 2007-12-03 · 3 obs

● 2007-12-03 08:43:38
○ 2015-08-29 13:11:50
○ 2026-05-12 12:30:36

○A52.4.32.832016-12-04 → 2016-12-04 · 4 obs

○ 2016-11-18 00:07:36
● 2016-12-04 21:16:08
○ 2016-12-23 03:50:44
○ 2026-05-12 12:30:36

○A52.5.157.2202016-12-23 → 2016-12-23 · 4 obs

○ 2016-12-04 21:16:08
● 2016-12-23 03:50:44
○ 2017-01-01 05:16:12
○ 2026-05-12 12:30:36

○A52.54.177.2062016-12-04 → 2016-12-04 · 4 obs

○ 2016-11-18 00:07:36
● 2016-12-04 21:16:08
○ 2016-12-23 03:50:44
○ 2026-05-12 12:30:36

○A52.70.121.2382016-12-23 → 2016-12-23 · 4 obs

○ 2016-12-04 21:16:08
● 2016-12-23 03:50:44
○ 2017-01-01 05:16:12
○ 2026-05-12 12:30:36

○A54.82.156.192017-01-01 → 2017-01-01 · 4 obs

○ 2016-12-23 03:50:44
● 2017-01-01 05:16:12
○ 2026-02-15 02:38:08
○ 2026-05-12 12:30:36

○A54.84.80.1732016-11-18 → 2016-11-18 · 4 obs

○ 2016-10-11 06:03:38
● 2016-11-18 00:07:36
○ 2016-12-04 21:16:08
○ 2026-05-12 12:30:36

○A54.86.225.1562017-01-01 → 2017-01-01 · 4 obs

○ 2016-12-23 03:50:44
● 2017-01-01 05:16:12
○ 2026-02-15 02:38:08
○ 2026-05-12 12:30:36

○A54.88.107.1402016-11-18 → 2016-11-18 · 4 obs

○ 2016-10-11 06:03:38
● 2016-11-18 00:07:36
○ 2016-12-04 21:16:08
○ 2026-05-12 12:30:36

●A81.19.154.982026-02-15 → 2026-05-12 · 3 obs

○ 2017-01-01 05:16:12
● 2026-02-15 02:38:08
● 2026-05-12 12:30:36

○A87.233.227.352015-08-29 → 2016-08-21 · 5 obs

○ 2007-12-03 08:43:38
● 2015-08-29 13:11:50
● 2016-08-21 00:25:58
○ 2016-10-11 06:03:38
○ 2026-05-12 12:30:36

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-11-18 → 2026-02-17 · 4 obs

● 2016-11-18 00:07:36
● 2026-02-17 02:40:10
○ 2026-02-18 02:52:14
○ 2026-05-12 12:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
csr-academy.com	ns1.world4you.at, ns2.world4you.at	-

✅ Authoritative Response

Server:185.132.32.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csr-academy.com (unsigned zone)

⏱️ Timing

Total: 1099ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.19.154.98`
NS	2	`ns2.world4you.at, ns1.world4you.at`
MX	1	`mail.csr-academy.com (pri: 10)`
SOA	1	`ns1.world4you.at hostmaster.world4you.co`

Analysis

Hierarchy

csr-academy.com is a parent of www.csr-academy.com and mail.csr-academy.com.

IP Addresses

csr-academy.com points to a single IP address: 81.19.154.98.

Other host names such as www.futurelab.at, comp-chem.com, skidepot.info, stoffelix.net and bellatrieste.com share IPs with csr-academy.com.

Name Servers

Two name servers ns1.world4you.at and ns2.world4you.at handle the delegation for csr-academy.com.

csr-academy.com shares the same name server setup as other domains, for example catchup.co.at, das-letzte-einhorn.at, kdl.at, joergreissner.com and orbes.eu.

Host names with two IP numbers:

ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253.

ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253.

Mail Servers

The mail.csr-academy.com mail server handles csr-academy.com.

mail.csr-academy.com points to a single IP number: 81.19.154.99.

csr-academy.com - robtex.com

csr-academy.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`csr-academy.com`

`com`