coretechweb.com - dns.ninja

coretechweb.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:686🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9adf🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.134Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.223🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScrystal.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A2803:f800:50::6ca2:c2ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcrystal.ns.cloudflare.com
A2a06:98c1:50::ac40:22ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcrystal.ns.cloudflare.com
A108.162.194.202🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A162.159.38.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
A172.64.34.202🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcrystal.ns.cloudflare.com
NSjimmy.ns.cloudflare.com
A2606:4700:58::a29f:2c4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A2803:f800:50::6ca2:c34c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjimmy.ns.cloudflare.com
A2a06:98c1:50::ac40:234c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjimmy.ns.cloudflare.com
A108.162.195.76🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A162.159.44.76Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
A172.64.35.76🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjimmy.ns.cloudflare.com
MXmail.coretechweb.com ⭐
A50.6.4.191🇺🇸 ORACLE-OCI-3189850.6.4.0/23 Oracle Corporation
PTR50-6-4-191.unifiedlayer.com
TXTv=spf1 +mx +a +ip4:50.6.4.191 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.134, 172.67.154.223
IPv6 hints2606:4700:3031::6815:686, 2606:4700:3035::ac43:9adf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOAcrystal.ns.cloudflare.comdns@cloudflare.com serial=2406727407

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=1782846181

Previously MX for

coretechweb.com

Subdomains

mail.coretechweb.com

Same first word

coretechweb.com
coretechweb.com.tw

Similar names

webcoretech.com
corewebtech.com
webcoretech.co.in

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NScrystal.ns.cloudflare.comjimmy.ns.cloudflare.comns1.coretechweb.comns2.coretechweb.comns379.websitewelcome.comMXmail.coretechweb.comcoretechweb.comA104.21.6.134172.67.154.2232606:4700:3031::6815:6862606:4700:3035::ac43:9adf192.185.185.762606:4700:3032::6815:6862606:4700:3033::ac43:9adf
●NScrystal.ns.cloudflare.com2026-04-23 → 2026-06-30 · 3 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-30 19:21:06
●NSjimmy.ns.cloudflare.com2026-04-23 → 2026-06-30 · 3 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-30 19:21:06
○NSns1.coretechweb.com2015-08-17 → 2016-09-13 · 4 obs
● 2015-08-17 18:07:00
● 2016-09-13 11:15:20
○ 2026-03-29 11:07:40
○ 2026-06-30 19:21:06
○NSns2.coretechweb.com2015-08-17 → 2016-09-13 · 4 obs
● 2015-08-17 18:07:00
● 2016-09-13 11:15:20
○ 2026-03-29 11:07:40
○ 2026-06-30 19:21:06
○NSns379.websitewelcome.com2015-08-17 → 2016-09-13 · 4 obs
● 2015-08-17 18:07:00
● 2016-09-13 11:15:20
○ 2026-03-29 11:07:40
○ 2026-06-30 19:21:06
○MXcoretechweb.com2015-08-17 → 2016-09-13 · 4 obs
● 2015-08-17 18:07:00
● 2016-09-13 11:15:20
○ 2026-03-29 11:07:40
○ 2026-06-30 19:21:06
●MXmail.coretechweb.com2026-05-14 → 2026-06-30 · 3 obs
○ 2026-03-29 11:07:40
● 2026-05-14 21:13:04
● 2026-06-30 19:21:06
●A104.21.6.1342026-04-23 → 2026-06-30 · 3 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-30 19:21:06
●A172.67.154.2232026-04-23 → 2026-06-30 · 3 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-30 19:21:06
○A192.185.185.762015-08-17 → 2016-09-13 · 4 obs
● 2015-08-17 18:07:00
● 2016-09-13 11:15:20
○ 2026-03-29 11:07:40
○ 2026-06-30 19:21:06
●A2606:4700:3031::6815:6862026-06-30 → 2026-06-30 · 2 obs
○ 2026-06-13 09:24:34
● 2026-06-30 19:21:06
○A2606:4700:3032::6815:6862026-04-23 → 2026-06-13 · 4 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-13 09:24:34
○ 2026-06-30 19:21:06
○A2606:4700:3033::ac43:9adf2026-04-23 → 2026-06-13 · 4 obs
○ 2026-03-29 11:07:40
● 2026-04-23 01:44:24
● 2026-06-13 09:24:34
○ 2026-06-30 19:21:06
●A2606:4700:3035::ac43:9adf2026-06-30 → 2026-06-30 · 2 obs
○ 2026-06-13 09:24:34
● 2026-06-30 19:21:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coretechweb.comcrystal.ns.cloudflare.com, jimmy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.76

NS records: crystal.ns.cloudflare.com, jimmy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretechweb.com (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.6.134, 172.67.154.223
AAAA22606:4700:3035::ac43:9adf, 2606:4700:3031::6815:686
NS2crystal.ns.cloudflare.com, jimmy.ns.cloudflare.com
MX1mail.coretechweb.com (pri: 0)
TXT1v=spf1 +mx +a +ip4:50.6.4.191 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1crystal.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (crystal.ns.cloudflare.com, crystal.ns.cloudflare.com, crystal.ns.cloudflare.com...)

Analysis

Hierarchy

The domain mail.coretechweb.com falls under the parent coretechweb.com.

IP Addresses

coretechweb.com directs to four IP numbers, which are 104.21.6.134, 172.67.154.223, 2606:4700:3031::6815:686 and 2606:4700:3035::ac43:9adf.

Two other host names, along with da.cc, nexiva88.forum and exoticcarrentaltampa.com, also share IP numbers with coretechweb.com.

Name Servers

coretechweb.com uses two name servers for its delegation: crystal.ns.cloudflare.com and jimmy.ns.cloudflare.com.

coretechweb.com shares its NS records with other domains, for example ursulahomedesign.com, empiregames.online, davis.im and two others.

At least some of coretechweb.com's name servers are shared with other domains, for example hongyuansu.cn, la-ganja-loca.at, linuxtamere.fr and two more.

It is common for these name servers to be used in conjunction with the name servers apollo.ns.cloudflare.com, thaddeus.ns.cloudflare.com and bella.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname crystal.ns.cloudflare.com directs to 108.162.194.202, 162.159.38.202 and 172.64.34.202 along with 3 other IP addresses.

Hostname jimmy.ns.cloudflare.com directs to 108.162.195.76, 162.159.44.76 and 172.64.35.76 along with 3 other IP addresses.

Mail Servers

The sole mail server for coretechweb.com is mail.coretechweb.com.

mail.coretechweb.com directs to just one IP number, 50.6.4.191.