cetrx.com - robtex.com

cetrx.com

DNSSEC⚠️ Not signed
A156.229.132.76🇺🇸 USZNI-AS-AP156.229.132.0/23
NSa11.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb11.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1781171346

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=1784006732

Previously MX for

cetrx.com

Same first word

cetrx.com

Similar names

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exctr.net
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rtecx.com
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xcert.de
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ctxre.com
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xcert.org
certx.in
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exctr.com
rexct.com
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xcert.net
tecrx.com
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rctex.cn
trcex.com
xcert.ru
xretc.com
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crext.com
tcrex.com
etrxc.com
xcert.com
rxtec.net

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma11.share-dns.comb.share-dns.netb11.share-dns.netns1.justhost.comns1.pipedns.comns2.justhost.comns2.pipedns.comns3.pipedns.comMXcetrx.commail.cetrx.comA156.229.132.76173.254.28.91
●NSa.share-dns.com2026-06-12 → 2026-07-14 · 3 obs
○ 2017-09-05 23:43:04
● 2026-06-12 02:18:54
● 2026-07-14 05:37:20
●NSa11.share-dns.com2026-06-12 → 2026-07-14 · 3 obs
○ 2017-09-05 23:43:04
● 2026-06-12 02:18:54
● 2026-07-14 05:37:20
●NSb.share-dns.net2026-06-12 → 2026-07-14 · 3 obs
○ 2017-09-05 23:43:04
● 2026-06-12 02:18:54
● 2026-07-14 05:37:20
●NSb11.share-dns.net2026-06-12 → 2026-07-14 · 3 obs
○ 2017-09-05 23:43:04
● 2026-06-12 02:18:54
● 2026-07-14 05:37:20
○NSns1.justhost.com2017-09-05 → 2017-09-05 · 4 obs
○ 2016-12-02 15:41:34
● 2017-09-05 23:43:04
○ 2026-06-12 02:18:54
○ 2026-07-14 05:37:20
○NSns1.pipedns.com2015-08-22 → 2016-12-02 · 4 obs
● 2015-08-22 02:44:48
● 2016-12-02 15:41:34
○ 2017-09-05 23:43:04
○ 2026-07-14 05:37:20
○NSns2.justhost.com2017-09-05 → 2017-09-05 · 4 obs
○ 2016-12-02 15:41:34
● 2017-09-05 23:43:04
○ 2026-06-12 02:18:54
○ 2026-07-14 05:37:20
○NSns2.pipedns.com2015-08-22 → 2016-12-02 · 4 obs
● 2015-08-22 02:44:48
● 2016-12-02 15:41:34
○ 2017-09-05 23:43:04
○ 2026-07-14 05:37:20
○NSns3.pipedns.com2015-08-22 → 2016-12-02 · 4 obs
● 2015-08-22 02:44:48
● 2016-12-02 15:41:34
○ 2017-09-05 23:43:04
○ 2026-07-14 05:37:20
○MXcetrx.com2015-08-22 → 2016-12-02 · 4 obs
● 2015-08-22 02:44:48
● 2016-12-02 15:41:34
○ 2017-09-05 23:43:04
○ 2026-07-14 05:37:20
○MXmail.cetrx.com2017-09-05 → 2017-09-05 · 4 obs
○ 2016-12-02 15:41:34
● 2017-09-05 23:43:04
○ 2026-06-12 02:18:54
○ 2026-07-14 05:37:20
●A156.229.132.762026-06-12 → 2026-07-14 · 3 obs
○ 2017-09-05 23:43:04
● 2026-06-12 02:18:54
● 2026-07-14 05:37:20
○A173.254.28.912015-08-22 → 2017-09-05 · 4 obs
● 2015-08-22 02:44:48
● 2017-09-05 23:43:04
○ 2026-06-12 02:18:54
○ 2026-07-14 05:37:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...-
cetrx.comb11.share-dns.net, a11.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b11.share-dns.net, a11.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cetrx.com (unsigned zone)

⏱️ Timing

Total: 868ms | Queries: -

📄 Records

TypeCountSample Data
A1156.229.132.76
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a11.share-dns.com)

Analysis

IP Addresses

cetrx.com resolves to one IP address: 156.229.132.76.

Name Servers

The authoritative name servers for cetrx.com are a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.

There is at least partial name server overlap between cetrx.com and other domains — 68d.net, jrstdgc.com, tzzzxyey.com and two more among them.

These name servers regularly appear alongside a2.share-dns.com, b2.share-dns.net, a12.share-dns.com and 7 other name servers in NS record sets.

Four host names each point to one IP address: a11.share-dns.com and a.share-dns.com both point to 172.64.53.25, and b11.share-dns.net and b.share-dns.net both point to 172.64.52.239.

Host names pointing to 172.64.53.25 IP addresses: a11.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239 IP addresses: b11.share-dns.net and b.share-dns.net.