cert4prep.com - robtex.com

cert4prep.com

DNSSEC⚠️ Not signed
A2a02:4780:4b:5c8a:c7d5:3994:adb9:2372🇨🇾 IIHOS0012a02:4780:4b::/48 HOSTINGER-US
A2a02:4780:4d:7512:2f8a:d342:e806:5b8c🇨🇾 IIHOS0012a02:4780:4d::/48 HOSTINGER US
A88.223.87.164🇱🇹 IIHOS00188.223.80.0/21 HOSTINGER US
A147.79.72.110🇺🇸 IIHOS001147.79.72.0/21 HOSTINGER US
NSns1.dns-parking.com ⭐
A2400:cb00:2049:1::a29f:18c9🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.24.201Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dns-parking.com
NSns2.dns-parking.com
A2400:cb00:2049:1::a29f:192a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.25.42Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dns-parking.com
MXmx1.hostinger.com ⭐
A2606:4700:90:0:c1f8:f874:2386:b61f🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.65.182.103🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-65-182-103.defastlink.net
MXmx2.hostinger.com(10)
A2606:4700:90:0:c1f8:f874:2386:b61f🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.65.182.103🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-172-65-182-103.defastlink.net
TXTv=spf1 include:_spf.mail.hostinger.com ~all
SOAns1.dns-parking.comdns@hostinger.com 2026-02-26 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Previously MX for

cert4prep.com

Subdomains

www.cert4prep.com

Same first word

cert4prep.com

DNS History

57 records (8 active, 49 former)

20162017201820192020202120222023202420252026NSns1.dns-parking.comns2.dns-parking.combarbara.ns.cloudflare.comeric.ns.cloudflare.comns1.intovps.comns2.ihostdns.runs2.intovps.comns3.ihostdns.runs34.offshorededicated.netns35.offshorededicated.netMXmx1.hostinger.commx2.hostinger.comcert4prep.comA147.79.72.1102a02:4780:4b:5c8a:c7d5:3994:adb9:23722a02:4780:4d:7512:2f8a:d342:e806:5b8c88.223.87.164145.223.124.0145.223.124.126145.223.124.136145.223.124.170145.223.124.212145.223.124.214147.79.72.1147.79.72.102147.79.72.116147.79.72.25147.79.79.166147.79.79.209147.79.79.7184.75.244.243184.75.246.76193.23.181.112193.23.181.862a02:4780:4a:5acf:ab91:91f:af8d:be012a02:4780:4a:5adf:5e26:2ecd:d0c4:3de32a02:4780:4a:8977:24e9:c141:d593:9b8d2a02:4780:4a:f326:7f45:1a07:b1a1:82e82a02:4780:4b:4ad:c4c8:577b:364c:6a2e2a02:4780:4b:6f0c:11e5:c1d7:dc5a:bc112a02:4780:4b:874d:ba6c:602f:a851:43492a02:4780:4c:104b:2d87:f862:c458:39c72a02:4780:4c:4912:7053:c704:efdb:1c022a02:4780:4c:b510:7aa8:83bb:a9c:a06a2a02:4780:4c:b90e:a96a:f25f:27a3:191e2a02:4780:4c:cccb:95c:7997:2302:70de2a02:4780:4d:290b:e782:1b6c:25d5:394f2a02:4780:4d:4450:9076:e94d:f995:21082a02:4780:4d:463:a1f1:a2fa:ab5f:4b7c2a02:4780:4d:56c:fe7f:5d43:639b:81962a02:4780:4d:86bc:bc9f:1738:b9b9:b7502a02:4780:4d:d9e3:e774:283c:c70e:b1ed88.223.87.20488.223.87.2688.223.87.4488.223.87.888.223.87.99
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
●NSns1.dns-parking.com2026-02-17 → 2026-03-01 · 3 obs
○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
●NSns2.dns-parking.com2026-02-17 → 2026-03-01 · 3 obs
○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-03-01 15:22:34
○NSns2.ihostdns.ru2015-05-16 → 2015-05-16 · 3 obs
● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○NSns3.ihostdns.ru2015-05-16 → 2015-05-16 · 3 obs
● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
●MXmx1.hostinger.com2026-02-17 → 2026-03-01 · 3 obs
○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-03-01 15:22:34
●MXmx2.hostinger.com2026-02-17 → 2026-03-01 · 3 obs
○ 2017-08-08 00:39:04
● 2026-02-17 01:06:08
● 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A145.223.124.1262026-02-28 → 2026-02-28 · 4 obs
○ 2026-02-27 18:39:38
● 2026-02-28 01:29:46
○ 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○A145.223.124.1362026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38
○ 2026-02-28 01:29:46
○ 2026-03-01 15:22:34
○A145.223.124.1702026-02-17 → 2026-03-01 · 2 obs
○ 2026-02-17 01:06:08
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A145.223.124.2142026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38
○ 2026-03-01 15:22:34
○A147.79.72.12026-02-28 → 2026-02-28 · 4 obs
○ 2026-02-27 18:39:38
● 2026-02-28 01:29:46
○ 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○A147.79.72.1022026-02-17 → 2026-03-01 · 2 obs
○ 2026-02-17 01:06:08
○ 2026-03-01 15:22:34
●A147.79.72.1102026-03-01 → 2026-03-01 · 2 obs
○ 2026-02-28 04:38:20
● 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A147.79.72.252026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38
○ 2026-02-28 01:29:46
○ 2026-03-01 15:22:34
○A147.79.79.1662026-02-28 → 2026-02-28 · 3 obs
○ 2026-02-28 01:29:46
● 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A193.23.181.862015-05-16 → 2015-05-16 · 3 obs
● 2015-05-16 03:42:30
○ 2015-10-19 20:32:08
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A2a02:4780:4a:5adf:5e26:2ecd:d0c4:3de32026-02-28 → 2026-02-28 · 4 obs
○ 2026-02-27 18:39:38
● 2026-02-28 01:29:46
○ 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○A2a02:4780:4a:8977:24e9:c141:d593:9b8d2026-02-17 → 2026-03-01 · 2 obs
○ 2026-02-17 01:06:08
○ 2026-03-01 15:22:34
○A2a02:4780:4a:f326:7f45:1a07:b1a1:82e82026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38
○ 2026-02-28 01:29:46
○ 2026-03-01 15:22:34
○A2a02:4780:4b:4ad:c4c8:577b:364c:6a2e2026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38
○ 2026-03-01 15:22:34
●A2a02:4780:4b:5c8a:c7d5:3994:adb9:23722026-03-01 → 2026-03-01 · 2 obs
○ 2026-02-28 04:38:20
● 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A2a02:4780:4c:104b:2d87:f862:c458:39c72026-02-17 → 2026-03-01 · 2 obs
○ 2026-02-17 01:06:08
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A2a02:4780:4c:b90e:a96a:f25f:27a3:191e2026-02-28 → 2026-02-28 · 3 obs
○ 2026-02-28 01:29:46
● 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○A2a02:4780:4c:cccb:95c:7997:2302:70de2026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38
○ 2026-03-01 15:22:34
○A2a02:4780:4d:290b:e782:1b6c:25d5:394f2026-02-28 → 2026-02-28 · 4 obs
○ 2026-02-27 18:39:38
● 2026-02-28 01:29:46
○ 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A2a02:4780:4d:56c:fe7f:5d43:639b:81962026-02-28 → 2026-02-28 · 3 obs
○ 2026-02-28 01:29:46
● 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
●A2a02:4780:4d:7512:2f8a:d342:e806:5b8c2026-03-01 → 2026-03-01 · 2 obs
○ 2026-02-28 04:38:20
● 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A2a02:4780:4d:d9e3:e774:283c:c70e:b1ed2026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-27 15:29:40
● 2026-02-27 18:39:38
○ 2026-02-28 01:29:46
○ 2026-03-01 15:22:34
●A88.223.87.1642026-03-01 → 2026-03-01 · 2 obs
○ 2026-02-28 04:38:20
● 2026-03-01 15:22:34
○A88.223.87.2042026-02-28 → 2026-02-28 · 3 obs
○ 2026-02-28 01:29:46
● 2026-02-28 04:38:20
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○A88.223.87.442026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-25 21:08:28
● 2026-02-27 15:29:40
○ 2026-02-27 18:39:38
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34
○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
○ 2026-03-01 15:22:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cert4prep.comns1.dns-parking.com, ns2.dns-parking.com4 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: 216ms | Queries: -

📄 Records

TypeCountSample Data
A2147.79.79.127, 88.223.87.120
AAAA22a02:4780:4b:5c8a:c7d5:3994:adb9:2372, 2a02:4780:4d:7512:2f8a:d342:e806:5b8c
NS2ns1.dns-parking.com, ns2.dns-parking.com
MX2mx1.hostinger.com (pri: 5), mx2.hostinger.com (pri: 10)
TXT1v=spf1 include:_spf.mail.hostinger.com ~
SOA1ns1.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...)

Analysis

Hierarchy

www.cert4prep.com is a child of cert4prep.com.

IP Addresses

cert4prep.com refers to four IP numbers: 2a02:4780:4b:5c8a:c7d5:3994:adb9:2372, 2a02:4780:4d:7512:2f8a:d342:e806:5b8c, 88.223.87.164 and 147.79.72.110.

Other host names, for instance zindagiblog.com.cdn.hstgr.net, chracing.co.uk, whynolafarms.com.cdn.hstgr.net, automotivedigitalmarketing.com and lablink.co.ug.cdn.hstgr.net share IP numbers with cert4prep.com.

Name Servers

cert4prep.com's delegation uses two name servers: ns1.dns-parking.com and ns2.dns-parking.com.

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

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

Host names with two IPs:

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

Mail Servers

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

cert4prep.com shares 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 at least some mail servers with other domains, for instance 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.