core.tech - robtex.com

core.tech

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:288e🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3108::ac42:2b72🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A172.66.40.142🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
A172.66.43.114🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
NSnicole.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ad3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A2803:f800:50::6ca2:c0d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicole.ns.cloudflare.com
A2a06:98c1:50::ac40:20d3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnicole.ns.cloudflare.com
A108.162.192.211🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A172.64.32.211🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A173.245.58.211🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
NSrajeev.ns.cloudflare.com
A2606:4700:58::adf5:3be0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A2803:f800:50::6ca2:c1e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrajeev.ns.cloudflare.com
A2a06:98c1:50::ac40:21e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrajeev.ns.cloudflare.com
A108.162.193.224🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A172.64.33.224🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A173.245.59.224🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
MXus-smtp-inbound-1.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com(20)
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTBlmvYpo+GuvBqepl9atTZpzuEzewpT/CJub1HCsGawDgRd/libD9YN7Acr9o0Okr8Dv/6sdAr/Gu6...
TXTdocusign=608f1df6-def3-423d-8351-d3bfa87ad5c5
TXTknowbe4-site-verification=bd79d8614a128138e2611ec57349d9ee
TXTmgverify=c89f5ff7ac6f47c8392c689f11cef471baddd0e30fd381deb2134772fc492368
TXTpardot827643=933828849b2d11b4c54bb66066fcbb1827d83f2e81c760bcc06b7430699cc2f1
TXTsending_domain827643=e54a81e5a5c787f51b1a52f9b5063c2f8264c5823c6d66b6b387c632...
TXTsophos-domain-verification=decc4beacb964ef36bf25cdf6a19efebbe406400884acbfece...
TXTv=spf1 include:us._netblocks.mimecast.com include:_spf.salesforce.com include...
SOAnicole.ns.cloudflare.comdns@cloudflare.com serial=2401846733

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1776981547

Same first word

core.co.nz
core.ba
core.ro
core.sa
core.co.uk
core.icu
core.li
core.blue
core.co.jp
core.tf
core.dns-cloud.net
core.cards
core.bot
core.cloudapp.net
core.s3.amazonaws.com
core.limited
core.sh
core.info
core.dev
core.wiki
core.windows
core.ai
core.coach
core.camera
core.co.za
core.ca
core.vn
core.it
core.cz
core.com.hk
core.kz
core.com
core.tv
core.dental
core.repair
core.education
core.mx
core.gr
core.md
core.edu
core.se
core.org.ua
core.life
core.energy
core.nl
core.cx
core.dating
core.farm
core.ps
core.ac.uk
core.bet
core.fail
core.exposed
core.healthcare
core.pl
core.or.kr
core.com.tr
core.ru
core.hu
core.fund
core.ws
core.mba
core.in
core.network
core.la
core.cw
core.cloud
core.co
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core.com.mx
core.tips
core.pm
core.ec
core.golf
core.us
core.equipment
core.uk.com
core.edu.au
core.technology
core.redirectme.net
core.net
core.bz
core.my
core.host
core.fm
core.ch
core.tech
core.gs
core.red
core.engineering
core.hosting
core.com.ph
core.im
core.kids
core.ee
core.photos
core.de
core.com.ec
core.bg
core.app
core.be
core.ie
core.com.pl
core.today
core.chat
core.ac
core.care
core.net.id
core.ms
core.direct
core.pp.ua
core.ac.jp
core.guru
core.world
core.love
core.capital
core.org
core.dk
core.pt
core.is
core.supplies
core.pw
core.xii.jp
core.gallery
core.io
core.fi
core.eu
core.co.at

Similar names

erco.com
creo.cn
erco.com.cn
core.coop
ocre.co.uk
core.moe
ceor.com
ceor.org
ceor.pe
reco.jp.net
ocre.com.au
core.co.th
creo.mx
reco.co.tz
reco.rentals
reco.co.uk
reco.org
core.org.cn
core.org.br
core.us-west-2.elasticbeanstalk.com
core.me
reco.io
core.su
rcoe.com
cero.cn
creo.si
eocr.sh.cn
cero.technology
coer.ru
orec.co.jp
creo.com.mx
reco.hu
ecro.ru
eorc.ir
ecor.com.au
creo.uz
ocre.cn
creo.es
ecor.co
reco.ir
coer.cz
ocre.mx
ecor.org
oerc.org.uk
creo.hu
oecr.de
erco.eu
creo.dk
reco.nl
reco.it
ecro.ca
cero.capital
oerc.com
ecor.fr
roec.cn
creo.se
ceor.bplaced.net
orec.ca
erco.us
orce.de
cero.bio
creo.archi
creo.fi
reco.co.at
cero.com.pl
creo.rzeszow.pl
ecor.jp
roce.com
reco.de
oecr.nl
ecor.com
erco.es
erco.ro
ocre.social
oecr.at
rcoe.de
eorc.us
reco.ro
erco.com.mx
cero.cz
cero.world
reco.on.ca

DNS History

8 records (8 active, 0 former)

NSnicole.ns.cloudflare.comrajeev.ns.cloudflare.comMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comA172.66.40.142172.66.43.1142606:4700:3108::ac42:288e2606:4700:3108::ac42:2b72
●NSnicole.ns.cloudflare.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●NSrajeev.ns.cloudflare.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●MXus-smtp-inbound-1.mimecast.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●MXus-smtp-inbound-2.mimecast.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●A172.66.40.1422026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●A172.66.43.1142026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●A2606:4700:3108::ac42:288e2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20
●A2606:4700:3108::ac42:2b722026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 16:07:16
● 2026-04-23 22:29:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
core.technicole.ns.cloudflare.com, rajeev.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.224

NS records: nicole.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core.tech (unsigned zone)

⏱️ Timing

Total: 631ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.114, 172.66.40.142
AAAA22606:4700:3108::ac42:288e, 2606:4700:3108::ac42:2b72
NS2nicole.ns.cloudflare.com, rajeev.ns.cloudflare.com
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 20)
TXT8BlmvYpo+GuvBqepl9atTZpzuEzewpT/CJub1HCsG, docusign=608f1df6-def3-423d-8351-d3bfa87...
SOA1nicole.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by core.tech: 2606:4700:3108::ac42:288e, 2606:4700:3108::ac42:2b72, 172.66.40.142 and 172.66.43.114.

other host names including www.perfectketo.com, sso.hubits.io, montrose.is, weavers.space and (0x706f726e)ogram.(0x787878) share IP numbers with core.tech.

Name Servers

core.tech is delegated to two name servers nicole.ns.cloudflare.com and rajeev.ns.cloudflare.com.

core.tech shares the same name server setup as other domains, for instance ipvpbar.com, ytjjmarket.com, soundshore.net, ttbaozou.com and quevideos.com.

core.tech at least partially shares name servers with other domains, for instance inrooms.ru, orbitreelsdesk.nl, zetaportal.ru, lord248kx.top and oscars.me.

these name servers are often used together with sreeni.ns.cloudflare.com, peyton.ns.cloudflare.com, cory.ns.cloudflare.com and cash.ns.cloudflare.com.

Host names with six IP numbers:

Host name nicole.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad3, 2803:f800:50::6ca2:c0d3, 2a06:98c1:50::ac40:20d3, 108.162.192.211, 172.64.32.211 and 173.245.58.211.

Host name rajeev.ns.cloudflare.com points to: 2606:4700:58::adf5:3be0, 2803:f800:50::6ca2:c1e0, 2a06:98c1:50::ac40:21e0, 108.162.193.224, 172.64.33.224 and 173.245.59.224.

Mail Servers

Two mail servers handle core.tech: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

core.tech shares the same mail server setup as other domains, for instance comoso.com, codaagency.com, carc.info, luberskiproperties.com and sunrisecorp.com.

core.tech shares some mail servers with other domains, at least partially, for instance tankspecialists.com, spirol.com, trianglepump.com, altimatech.com and asquithnurseries.co.uk.

Host names with six IP numbers:

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com point to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Host names that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.