clstutorials.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`clstutorials.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::20f^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-020f.elastic-ssl.ui-r.com`
A	74.208.236.14^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1019.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:19^{🇺🇸 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	`ns1019.ui-dns.com`
		A	185.132.34.19^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1019.ui-dns.com`
NS	`ns1058.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:58^{🇺🇸 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	`ns1058.ui-dns.de`
		A	185.132.32.58^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1058.ui-dns.de`
NS	`ns1077.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:77^{🇺🇸 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	`ns1077.ui-dns.biz`
		A	185.132.33.77^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1077.ui-dns.biz`
NS	`ns1092.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:92^{🇺🇸 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	`ns1092.ui-dns.org`
		A	185.132.35.92^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1092.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1019.ui-dns.com`hostmaster@1and1.com 2018-05-08 #3

`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=1790603339

Same first word

clstutorials.com

Previous names

Next names

clstutte.com

clstv.com

clstw.com

clstx.com

clsty.com

clstyl.com

clstyle.com

clstyling.com

clstylings.com

clstylz.com

clstyzznfi.com

clstz.com

clsu-ced-education-digest.com

clsu-rmcares.com

clsu.com

clsu015.com

clsuae.com

clsuat.com

clsub.com

DNS History

16 records (8 active, 8 former)

●NSns1019.ui-dns.com2026-08-20 → 2026-09-28 · 3 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
● 2026-09-28 14:13:02

○NSns1047.ui-dns.org2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

●NSns1058.ui-dns.de2026-08-20 → 2026-09-28 · 3 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
● 2026-09-28 14:13:02

●NSns1077.ui-dns.biz2026-08-20 → 2026-09-28 · 3 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
● 2026-09-28 14:13:02

○NSns1084.ui-dns.biz2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

●NSns1092.ui-dns.org2026-08-20 → 2026-09-28 · 3 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
● 2026-09-28 14:13:02

○NSns1104.ui-dns.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

○NSns1117.ui-dns.de2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

○MXmx00.1and1.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

●MXmx00.ionos.com2026-08-20 → 2026-09-28 · 5 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
○ 2026-08-26 15:19:36
● 2026-09-18 08:23:36
● 2026-09-28 14:13:02

○MXmx01.1and1.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

●MXmx01.ionos.com2026-08-20 → 2026-09-28 · 5 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
○ 2026-08-26 15:19:36
● 2026-09-18 08:23:36
● 2026-09-28 14:13:02

○A216.250.120.1202018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

○A2607:f1c0:1000:2085:dc8d:785b:dc68:f0432018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 13:32:34
○ 2026-08-20 23:26:28
○ 2026-09-28 14:13:02

●A2607:f1c0:100f:f000::20f2026-08-20 → 2026-09-28 · 5 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
○ 2026-08-26 15:19:36
● 2026-09-18 08:23:36
● 2026-09-28 14:13:02

●A74.208.236.142026-08-20 → 2026-09-28 · 5 obs

○ 2018-05-16 13:32:34
● 2026-08-20 23:26:28
○ 2026-08-26 15:19:36
● 2026-09-18 08:23:36
● 2026-09-28 14:13:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
clstutorials.com	ns1092.ui-dns.org, ns1077.ui-dns.biz, ns1058.ui-dns.de, ns1019.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.19

NS records: ns1092.ui-dns.org, ns1077.ui-dns.biz, ns1058.ui-dns.de, ns1019.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clstutorials.com (unsigned zone)

⏱️ Timing

Total: 2420ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.14`
AAAA	1	`2607:f1c0:100f:f000::20f`
NS	4	`ns1077.ui-dns.biz, ns1019.ui-dns.com...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1019.ui-dns.com hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1019.ui-dns.com, ns1019.ui-dns.com)

Analysis

IP Addresses

clstutorials.com directs to two IP numbers, 74.208.236.14 and 2607:f1c0:100f:f000::20f

Additional host names — www.odetodata.com, belbog.com, scribemailer.info and two others — share IP numbers with clstutorials.com.

Name Servers

clstutorials.com has four authoritative name servers: ns1077.ui-dns.biz, ns1019.ui-dns.com, ns1058.ui-dns.de and ns1092.ui-dns.org.

clstutorials.com has at least partial name server overlap with other domains, such as kigo-tips.de, seerose-trattoria.com, happy-view.info and two others.

ns1019.ui-dns.org, ns1019.ui-dns.biz and ns1019.ui-dns.de — plus 7 other name servers — are commonly paired with these name servers.

ns1077.ui-dns.biz, ns1019.ui-dns.com, ns1058.ui-dns.de and ns1092.ui-dns.org all point to exactly two IP numbers each: ns1077.ui-dns.biz → 185.132.33.77 and 2607:f1c0:fe:53:185:132:33:77; ns1019.ui-dns.com → 185.132.34.19 and 2607:f1c0:fe:53:185:132:34:19; ns1058.ui-dns.de → 185.132.32.58 and 2607:f1c0:fe:53:185:132:32:58; ns1092.ui-dns.org → 185.132.35.92 and 2607:f1c0:fe:53:185:132:35:92.

Mail Servers

clstutorials.com has two mail servers: mx00.ionos.com and mx01.ionos.com.

clstutorials.com shares the same mail server setup as other domains, including teach-flow-ai.com, pdfunlockertool.com, robertawoolfson.com and two others.

mx00.ionos.com directs to 74.208.114.65 and mx01.ionos.com directs to 74.208.114.66; each host name points to exactly one IP number.