crtec.org - dns.ninja

crtec.org

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:da76🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:35c8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.200Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.118🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonald.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A2803:f800:50::6ca2:c19e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonald.ns.cloudflare.com
A2a06:98c1:50::ac40:219e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonald.ns.cloudflare.com
A108.162.193.158🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A172.64.33.158🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A173.245.59.158🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
NSnora.ns.cloudflare.com
A2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.200, 172.67.218.118
IPv6 hints2606:4700:3033::ac43:da76, 2606:4700:3035::6815:35c8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=219, name=cloudflare-ech.com
SOAdonald.ns.cloudflare.comdns@cloudflare.com serial=2405911626

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782650951
WOT: SAFE (60/100)

Previously MX for

crtec.org

Same first word

crtec.com.br
crtec.cr
crtec.org
crtec.it
crtec.com
crtec.co.kr
crtec.net
crtec.ru

Similar names

retcc.net
ccret.org.cn
trecc.com.ar
tcrec.com
trecc.com
rctec.de
ccret.cn
tccre.com
ccert.edu.cn
cretc.net
tcrce.ca
ccter.com
rctec.co.uk
trecc.net.au
rctec.ch
rcetc.com
trecc.com.au
retcc.ca
ccert.nl
ccert.de
ccert.in
etccr.net
cetrc.com
rctec.eu
rctec.cl
ccert.com
rtecc.com
rctec.at
tcrce.org
ctecr.com
rctec.com.br
erctc.com
ccetr.com
cretc.com
trcec.com
ccert.cc
ctcer.top
crcet.com
tcrec.co.uk
ectcr.com
rctec.com.ar
cctre.com
etccr.com
trecc.ab.ca
crect.com
ccert.co.in
cterc.com
cecrt.com
rctec.info
eccrt.com
ccert.co.uk
rccte.com
ctcre.com
ctrec.com
ccret.com
crect.cn
ecctr.net
trecc.org

DNS History

22 records (6 active, 16 former)

20162017201820192020202120222023202420252026NSdonald.ns.cloudflare.comnora.ns.cloudflare.comns11.value-domain.comns12.value-domain.comns13.value-domain.comns25.domaincontrol.comns26.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comcrtec.orgA104.21.53.200172.67.218.1182606:4700:3033::ac43:da762606:4700:3035::6815:35c8202.172.28.122606:4700:3035::ac43:da762606:4700:3037::6815:35c850.62.160.8550.63.202.35
●NSdonald.ns.cloudflare.com2026-02-14 → 2026-06-28 · 3 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
● 2026-06-28 12:56:16
●NSnora.ns.cloudflare.com2026-02-14 → 2026-06-28 · 3 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
● 2026-06-28 12:56:16
○NSns11.value-domain.com2017-02-09 → 2017-02-09 · 4 obs
○ 2016-04-21 07:58:48
● 2017-02-09 07:41:46
○ 2019-04-18 10:37:10
○ 2026-06-28 12:56:16
○NSns12.value-domain.com2017-02-09 → 2017-02-09 · 4 obs
○ 2016-04-21 07:58:48
● 2017-02-09 07:41:46
○ 2019-04-18 10:37:10
○ 2026-06-28 12:56:16
○NSns13.value-domain.com2017-02-09 → 2017-02-09 · 4 obs
○ 2016-04-21 07:58:48
● 2017-02-09 07:41:46
○ 2019-04-18 10:37:10
○ 2026-06-28 12:56:16
○NSns25.domaincontrol.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○NSns26.domaincontrol.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXalt1.aspmx.l.google.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXalt2.aspmx.l.google.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXaspmx.l.google.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXaspmx2.googlemail.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXaspmx3.googlemail.com2015-06-24 → 2016-02-15 · 4 obs
● 2015-06-24 07:14:40
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16
○MXcrtec.org2017-02-09 → 2017-02-09 · 4 obs
○ 2016-04-21 07:58:48
● 2017-02-09 07:41:46
○ 2019-04-18 10:37:10
○ 2026-06-28 12:56:16
●A104.21.53.2002026-02-14 → 2026-06-28 · 3 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
● 2026-06-28 12:56:16
●A172.67.218.1182026-02-14 → 2026-06-28 · 3 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
● 2026-06-28 12:56:16
○A202.172.28.122017-02-09 → 2017-02-09 · 4 obs
○ 2016-04-21 07:58:48
● 2017-02-09 07:41:46
○ 2019-04-18 10:37:10
○ 2026-06-28 12:56:16
●A2606:4700:3033::ac43:da762026-06-27 → 2026-06-28 · 3 obs
○ 2026-02-14 22:50:02
● 2026-06-27 23:48:14
● 2026-06-28 12:56:16
●A2606:4700:3035::6815:35c82026-06-27 → 2026-06-28 · 3 obs
○ 2026-02-14 22:50:02
● 2026-06-27 23:48:14
● 2026-06-28 12:56:16
○A2606:4700:3035::ac43:da762026-02-14 → 2026-02-14 · 4 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
○ 2026-06-27 23:48:14
○ 2026-06-28 12:56:16
○A2606:4700:3037::6815:35c82026-02-14 → 2026-02-14 · 4 obs
○ 2019-04-18 10:37:10
● 2026-02-14 22:50:02
○ 2026-06-27 23:48:14
○ 2026-06-28 12:56:16
○A50.62.160.852015-06-24 → 2015-12-25 · 4 obs
● 2015-06-24 07:14:40
● 2015-12-25 15:55:14
○ 2016-02-15 09:47:56
○ 2026-06-28 12:56:16
○A50.63.202.352016-02-15 → 2016-02-15 · 4 obs
○ 2015-12-25 15:55:14
● 2016-02-15 09:47:56
○ 2016-04-21 07:58:48
○ 2026-06-28 12:56:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
crtec.orgnora.ns.cloudflare.com, donald.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.158

NS records: nora.ns.cloudflare.com, donald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crtec.org (unsigned zone)

⏱️ Timing

Total: 642ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.53.200, 172.67.218.118
AAAA22606:4700:3035::6815:35c8, 2606:4700:3033::ac43:da76
NS2donald.ns.cloudflare.com, nora.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donald.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

crtec.org points to the four IP addresses 104.21.53.200, 172.67.218.118, 2606:4700:3033::ac43:da76 and 2606:4700:3035::6815:35c8.

Among the host names that share IP numbers with crtec.org are ads1.adsjpslot88.com, shdamperdy.com, passeioslocais.com.br and two others.

Name Servers

The NS records for crtec.org delegate to donald.ns.cloudflare.com and nora.ns.cloudflare.com.

crtec.org has the same name server delegation as a number of other domains, such as collection-jfm.fr, michigantrolleys.com, idealofsweden.at and two more.

At least some of crtec.org's name servers are shared with other domains, for example evolvenextpartners.digital, caolufang.com, cloudhostapk.com and two more.

These name servers tend to be deployed in combination with the name servers magnolia.ns.cloudflare.com and wesley.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

donald.ns.cloudflare.com maps to 108.162.193.158, 172.64.33.158, 173.245.59.158 and 3 additional IP addresses.

nora.ns.cloudflare.com maps to 108.162.192.213, 172.64.32.213, 173.245.58.213 and 3 additional IP addresses.