`cert4prep.com`

DNSSEC	⚠️ Not signed
A	2a02:4780:4a:f326:7f45:1a07:b1a1:82e8^{🇨🇾 IIHOS0012a02:4780:4a::/48 HOSTINGER US}
A	2a02:4780:4d:d9e3:e774:283c:c70e:b1ed^{🇨🇾 IIHOS0012a02:4780:4d::/48 HOSTINGER US}
A	145.223.124.136^{🇳🇱 IIHOS001145.223.120.0/21 HOSTINGER US}
A	147.79.72.25^{🇺🇸 IIHOS001147.79.72.0/21 HOSTINGER US}
NS	`ns1.dns-parking.com` ⭐
		A	2400:cb00:2049:1::a29f:18c9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.201^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dns-parking.com`
NS	`ns2.dns-parking.com`
		A	2400:cb00:2049:1::a29f:192a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.42^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dns-parking.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-65-182-103.defastlink.net`
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-65-182-103.defastlink.net`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
SOA	`ns1.dns-parking.com`dns@hostinger.com 2026-02-26 #1

`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=1771291435

Previously MX for

cert4prep.com

Up

www.cert4prep.com

Same first word

cert4prep.com

DNS History

45 records (8 active, 37 former)

○NSbarbara.ns.cloudflare.com2016-11-08 → 2017-08-08 · 5 obs

○ 2016-03-31 16:29:06
● 2016-11-08 18:33:52
● 2017-08-08 00:39:04
○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

○NSeric.ns.cloudflare.com2016-11-08 → 2017-08-08 · 5 obs

○ 2016-03-31 16:29:06
● 2016-11-08 18:33:52
● 2017-08-08 00:39:04
○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

●NSns1.dns-parking.com2026-02-17 → 2026-02-27 · 3 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-02-27 18:39:38

○NSns1.intovps.com2016-03-31 → 2016-03-31 · 4 obs

○ 2015-12-28 22:17:10
● 2016-03-31 16:29:06
○ 2016-11-08 18:33:52
○ 2026-02-27 18:39:38

●NSns2.dns-parking.com2026-02-17 → 2026-02-27 · 3 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-02-27 18:39:38

○NSns2.ihostdns.ru2015-05-16 → 2015-05-16 · 3 obs

● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-02-27 18:39:38

○NSns2.intovps.com2016-03-31 → 2016-03-31 · 4 obs

○ 2015-12-28 22:17:10
● 2016-03-31 16:29:06
○ 2016-11-08 18:33:52
○ 2026-02-27 18:39:38

○NSns3.ihostdns.ru2015-05-16 → 2015-05-16 · 3 obs

● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-02-27 18:39:38

○NSns34.offshorededicated.net2015-10-19 → 2015-12-28 · 5 obs

○ 2015-05-16 03:42:30
● 2015-10-19 20:32:08
● 2015-12-28 22:17:10
○ 2016-03-31 16:29:06
○ 2026-02-27 18:39:38

○NSns35.offshorededicated.net2015-10-19 → 2015-12-28 · 5 obs

○ 2015-05-16 03:42:30
● 2015-10-19 20:32:08
● 2015-12-28 22:17:10
○ 2016-03-31 16:29:06
○ 2026-02-27 18:39:38

○MXcert4prep.com2015-05-16 → 2017-08-08 · 4 obs

● 2015-05-16 03:42:30
● 2017-08-08 00:39:04
○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

●MXmx1.hostinger.com2026-02-17 → 2026-02-27 · 3 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-02-27 18:39:38

●MXmx2.hostinger.com2026-02-17 → 2026-02-27 · 3 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-02-27 18:39:38

○A145.223.124.02026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-19 02:11:44
● 2026-02-21 03:04:56
○ 2026-02-25 21:08:28
○ 2026-02-27 18:39:38

●A145.223.124.1362026-02-27 → 2026-02-27 · 2 obs

○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38

○A145.223.124.1702026-02-17 → 2026-02-27 · 2 obs

○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

○A145.223.124.2122026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-17 01:06:08
● 2026-02-19 02:11:44
○ 2026-02-21 03:04:56
○ 2026-02-27 18:39:38

○A145.223.124.2142026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A147.79.72.1022026-02-17 → 2026-02-27 · 2 obs

○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

○A147.79.72.1162026-02-17 → 2026-02-17 · 4 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
○ 2026-02-19 02:11:44
○ 2026-02-27 18:39:38

●A147.79.72.252026-02-27 → 2026-02-27 · 2 obs

○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38

○A147.79.79.2092026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-17 01:06:08
● 2026-02-19 02:11:44
○ 2026-02-21 03:04:56
○ 2026-02-27 18:39:38

○A147.79.79.72026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 03:04:56
● 2026-02-25 21:08:28
○ 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A184.75.244.2432016-03-31 → 2016-03-31 · 4 obs

○ 2015-12-28 22:17:10
● 2016-03-31 16:29:06
○ 2016-11-08 18:33:52
○ 2026-02-27 18:39:38

○A184.75.246.762016-11-08 → 2017-08-08 · 5 obs

○ 2016-03-31 16:29:06
● 2016-11-08 18:33:52
● 2017-08-08 00:39:04
○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

○A193.23.181.1122015-10-19 → 2015-12-28 · 5 obs

○ 2015-05-16 03:42:30
● 2015-10-19 20:32:08
● 2015-12-28 22:17:10
○ 2016-03-31 16:29:06
○ 2026-02-27 18:39:38

○A193.23.181.862015-05-16 → 2015-05-16 · 3 obs

● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-02-27 18:39:38

○A2a02:4780:4a:5acf:ab91:91f:af8d:be012026-02-17 → 2026-02-17 · 4 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
○ 2026-02-19 02:11:44
○ 2026-02-27 18:39:38

○A2a02:4780:4a:8977:24e9:c141:d593:9b8d2026-02-17 → 2026-02-27 · 2 obs

○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

●A2a02:4780:4a:f326:7f45:1a07:b1a1:82e82026-02-27 → 2026-02-27 · 2 obs

○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38

○A2a02:4780:4b:4ad:c4c8:577b:364c:6a2e2026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A2a02:4780:4b:6f0c:11e5:c1d7:dc5a:bc112026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-17 01:06:08
● 2026-02-19 02:11:44
○ 2026-02-21 03:04:56
○ 2026-02-27 18:39:38

○A2a02:4780:4b:874d:ba6c:602f:a851:43492026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 03:04:56
● 2026-02-25 21:08:28
○ 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A2a02:4780:4c:104b:2d87:f862:c458:39c72026-02-17 → 2026-02-27 · 2 obs

○ 2026-02-17 01:06:08
○ 2026-02-27 18:39:38

○A2a02:4780:4c:4912:7053:c704:efdb:1c022026-02-17 → 2026-02-17 · 4 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
○ 2026-02-19 02:11:44
○ 2026-02-27 18:39:38

○A2a02:4780:4c:b510:7aa8:83bb:a9c:a06a2026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-19 02:11:44
● 2026-02-21 03:04:56
○ 2026-02-25 21:08:28
○ 2026-02-27 18:39:38

○A2a02:4780:4c:cccb:95c:7997:2302:70de2026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A2a02:4780:4d:4450:9076:e94d:f995:21082026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-19 02:11:44
● 2026-02-21 03:04:56
○ 2026-02-25 21:08:28
○ 2026-02-27 18:39:38

○A2a02:4780:4d:463:a1f1:a2fa:ab5f:4b7c2026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 03:04:56
● 2026-02-25 21:08:28
○ 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A2a02:4780:4d:86bc:bc9f:1738:b9b9:b7502026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-17 01:06:08
● 2026-02-19 02:11:44
○ 2026-02-21 03:04:56
○ 2026-02-27 18:39:38

●A2a02:4780:4d:d9e3:e774:283c:c70e:b1ed2026-02-27 → 2026-02-27 · 2 obs

○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38

○A88.223.87.262026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 03:04:56
● 2026-02-25 21:08:28
○ 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A88.223.87.442026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38

○A88.223.87.82026-02-17 → 2026-02-17 · 4 obs

○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
○ 2026-02-19 02:11:44
○ 2026-02-27 18:39:38

○A88.223.87.992026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-19 02:11:44
● 2026-02-21 03:04:56
○ 2026-02-25 21:08:28
○ 2026-02-27 18:39:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
cert4prep.com	ns1.dns-parking.com, ns2.dns-parking.com	4 records

✅ Authoritative Response

Server: 162.159.25.42

NS records: ns1.dns-parking.com, ns2.dns-parking.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cert4prep.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`145.223.124.158, 88.223.87.47`
AAAA	2	`2a02:4780:4c:d89f:9abe:8a56:53d0:6acd, 2a02:4780:4b:f38b:8fd9:46e3:b17f:c1a4`
NS	2	`ns1.dns-parking.com, ns2.dns-parking.com`
MX	2	`mx2.hostinger.com (pri: 10), mx1.hostinger.com (pri: 5)`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com ~`
SOA	1	`ns1.dns-parking.com dns.hostinger.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dns-parking.com, ns1.dns-parking.com, ns2.dns-parking.com...)

AI analysis

cert4prep.com is a parent of www.cert4prep.com.

cert4prep.com resolves to four IPs: 2a02:4780:4a:f326:7f45:1a07:b1a1:82e8, 2a02:4780:4d:d9e3:e774:283c:c70e:b1ed, 145.223.124.136 and 147.79.72.25.

Other host names such as www.gh(0x616e616c)awhub.com.cdn.hstgr.net, brillens.com.ar, atde.com.br, milposec.com and frogologue.com.cdn.hstgr.net share IP numbers with cert4prep.com.

cert4prep.com is delegated to two name servers: ns1.dns-parking.com and ns2.dns-parking.com.

cert4prep.com uses the same name server setup as other domains, including feeandme.com, facecube.eu, tutorspectrum.com, menonbearings.in and sinarlawu.com.

cert4prep.com at least partially shares name servers with other domains; for instance novavia.cl, 10boost.co.il and jaralgto.gob.mx.

Host names with two IP numbers:

ns1.dns-parking.com points to 2400:cb00:2049:1::a29f:18c9 and 162.159.24.201.

ns2.dns-parking.com points to 2400:cb00:2049:1::a29f:192a and 162.159.25.42.

cert4prep.com is handled by two mail servers: mx1.hostinger.com and mx2.hostinger.com.

cert4prep.com uses the same mail server setup as other domains, for instance enderbalkir.com.tr, sunrisehotelsdalhousie.com, soa.org.uk, evakilli.com and doutorsolucoes.com.

cert4prep.com shares some mail servers with other domains at least partially, for example ticketes.com, aprintl.com and mshop.fr.

Host names with two IP numbers:

mx1.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com and mx2.hostinger.com.

Names pointing to 172.65.182.103: mx1.hostinger.com and mx2.hostinger.com.

cert4prep.com - robtex.com

cert4prep.com

com

Previously MX for

Up

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`cert4prep.com`

`com`