core4tech.com - dns.ninja

core4tech.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4347🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d981🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.71Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.129🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSblair.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2679🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A2803:f800:50::6ca2:c279🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRblair.ns.cloudflare.com
A2a06:98c1:50::ac40:2279🇺🇸 Cloudflare2a06:98c1:50::/45
PTRblair.ns.cloudflare.com
A108.162.194.121🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A162.159.38.121Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
A172.64.34.121🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRblair.ns.cloudflare.com
NSsevki.ns.cloudflare.com
A2606:4700:58::a29f:2ca4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A2803:f800:50::6ca2:c3a4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsevki.ns.cloudflare.com
A2a06:98c1:50::ac40:23a4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsevki.ns.cloudflare.com
A108.162.195.164🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A162.159.44.164Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
A172.64.35.164🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsevki.ns.cloudflare.com
MXmail.arphost.com ⭐
A2602:f899:fe:1:104:232:11:205AS4017072602:f899:fe::/48
PTRmail.arphost.com
A2602:f899:fe:1:be24:11ff:fea5:97aeAS4017072602:f899:fe::/48
PTRmail.arphost.com
A104.232.11.205🇺🇸 AS401707104.232.11.0/24 Arphost LLC https://arphost.com
PTRmail.arphost.com
TXTgoogle-site-verification=mF6VHYrJWYgW4066PfGMhTfhpdXwnIKYPxPNMg9yOtg
TXTv=spf1 mx include:_spf.core4tech_com._d.easydmarc.pro ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.67.71, 172.67.217.129
IPv6 hints2606:4700:3031::6815:4347, 2606:4700:3037::ac43:d981
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOAblair.ns.cloudflare.comdns@cloudflare.com serial=2407313482

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=1782461605
⚠️ On DNS blocklist: tif

PTR for

196.235.51.206.in-addr.arpa

Subdomains

ns2.core4tech.com
www.core4tech.com
ns1.core4tech.com

Same first word

core4tech.com

Similar names

4coretech.co.za

DNS History

23 records (7 active, 16 former)

20162017201820192020202120222023202420252026NSblair.ns.cloudflare.comsevki.ns.cloudflare.comlocalhostns1.mytrafficmanagement.comns11025.ztomy.comns2.mytrafficmanagement.comns21025.ztomy.comMXmail.arphost.commail.core4tech.commxcleaner01.uk.core4tech.comA104.21.67.71172.67.217.1292606:4700:3031::6815:43472606:4700:3037::ac43:d981104.130.124.96192.230.66.93192.230.74.93206.51.235.198209.99.64.252606:4700:3030::6815:43472606:4700:3032::ac43:d981PTRns11025.ztomy.com
○NS(root)2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 16:21:22
○ 2015-12-30 15:53:54
○ 2026-06-26 08:17:20
●NSblair.ns.cloudflare.com2026-02-15 → 2026-06-26 · 3 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
● 2026-06-26 08:17:20
○NSlocalhost2016-04-04 → 2016-09-09 · 5 obs
○ 2015-12-30 15:53:54
● 2016-04-04 18:54:02
● 2016-09-09 04:48:46
○ 2017-05-14 06:47:18
○ 2026-06-26 08:17:20
○NSns1.mytrafficmanagement.com2016-04-04 → 2016-09-09 · 5 obs
○ 2015-12-30 15:53:54
● 2016-04-04 18:54:02
● 2016-09-09 04:48:46
○ 2017-05-14 06:47:18
○ 2026-06-26 08:17:20
○NSns11025.ztomy.com2017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-09 04:48:46
● 2017-05-14 06:47:18
○ 2026-02-15 11:34:44
○ 2026-06-26 08:17:20
○NSns2.mytrafficmanagement.com2016-04-04 → 2016-09-09 · 5 obs
○ 2015-12-30 15:53:54
● 2016-04-04 18:54:02
● 2016-09-09 04:48:46
○ 2017-05-14 06:47:18
○ 2026-06-26 08:17:20
○NSns21025.ztomy.com2017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-09 04:48:46
● 2017-05-14 06:47:18
○ 2026-02-15 11:34:44
○ 2026-06-26 08:17:20
●NSsevki.ns.cloudflare.com2026-02-15 → 2026-06-26 · 3 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
● 2026-06-26 08:17:20
●MXmail.arphost.com2026-02-15 → 2026-06-26 · 3 obs
○ 2015-12-30 15:53:54
● 2026-02-15 11:34:44
● 2026-06-26 08:17:20
○MXmail.core4tech.com2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 16:21:22
○ 2015-12-30 15:53:54
○ 2026-06-26 08:17:20
○MXmxcleaner01.uk.core4tech.com2015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 16:21:22
○ 2015-12-30 15:53:54
○ 2026-06-26 08:17:20
○A104.130.124.962016-04-04 → 2016-04-04 · 4 obs
○ 2015-12-30 15:53:54
● 2016-04-04 18:54:02
○ 2016-09-09 04:48:46
○ 2026-06-26 08:17:20
●A104.21.67.712026-02-15 → 2026-06-26 · 3 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
● 2026-06-26 08:17:20
●A172.67.217.1292026-02-15 → 2026-06-26 · 3 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
● 2026-06-26 08:17:20
○A192.230.66.932016-09-09 → 2016-09-09 · 4 obs
○ 2016-04-04 18:54:02
● 2016-09-09 04:48:46
○ 2017-05-14 06:47:18
○ 2026-06-26 08:17:20
○A192.230.74.932016-09-09 → 2016-09-09 · 4 obs
○ 2016-04-04 18:54:02
● 2016-09-09 04:48:46
○ 2017-05-14 06:47:18
○ 2026-06-26 08:17:20
○A206.51.235.1982015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 16:21:22
○ 2015-12-30 15:53:54
○ 2026-06-26 08:17:20
○A209.99.64.252017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-09 04:48:46
● 2017-05-14 06:47:18
○ 2026-02-15 11:34:44
○ 2026-06-26 08:17:20
○A2606:4700:3030::6815:43472026-02-15 → 2026-02-15 · 4 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
○ 2026-06-26 08:17:16
○ 2026-06-26 08:17:20
●A2606:4700:3031::6815:43472026-06-26 → 2026-06-26 · 3 obs
○ 2026-02-15 11:34:44
● 2026-06-26 08:17:16
● 2026-06-26 08:17:20
○A2606:4700:3032::ac43:d9812026-02-15 → 2026-02-15 · 4 obs
○ 2017-05-14 06:47:18
● 2026-02-15 11:34:44
○ 2026-06-26 08:17:16
○ 2026-06-26 08:17:20
●A2606:4700:3037::ac43:d9812026-06-26 → 2026-06-26 · 3 obs
○ 2026-02-15 11:34:44
● 2026-06-26 08:17:16
● 2026-06-26 08:17:20
○PTRns11025.ztomy.com2017-05-14 → 2026-02-15 · 4 obs
● 2017-05-14 06:47:18
● 2026-02-15 12:16:08
○ 2026-02-22 02:22:12
○ 2026-06-26 08:17:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
core4tech.comblair.ns.cloudflare.com, sevki.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.121

NS records: blair.ns.cloudflare.com, sevki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core4tech.com (unsigned zone)

⏱️ Timing

Total: 143ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.67.71, 172.67.217.129
AAAA22606:4700:3037::ac43:d981, 2606:4700:3031::6815:4347
NS2blair.ns.cloudflare.com, sevki.ns.cloudflare.com
MX1mail.arphost.com (pri: 0)
TXT2google-site-verification=mF6VHYrJWYgW406, v=spf1 mx include:_spf.core4tech_com._d.
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1blair.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain core4tech.com is parent to ns2.core4tech.com, www.core4tech.com and ns1.core4tech.com.

IP Addresses

core4tech.com directs to four IP numbers, which are 104.21.67.71, 172.67.217.129, 2606:4700:3031::6815:4347 and 2606:4700:3037::ac43:d981.

Among the host names that share IP numbers with core4tech.com are modifiedcarbuyer.com, www.txsmineralmining.com, margucek.ru and two others.

Name Servers

core4tech.com uses two name servers for its delegation: blair.ns.cloudflare.com and sevki.ns.cloudflare.com.

core4tech.com has the same name server delegation as a number of other domains, such as coinerblog.com, totallysecure.net, ideh.tv and two more.

At least some of core4tech.com's name servers are shared with other domains, for example polskanatura9.digital, 764711.com, poddys.com and two more.

It is common for these name servers to be used in conjunction with the name servers mona.ns.cloudflare.com, lina.ns.cloudflare.com and jihoon.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname blair.ns.cloudflare.com directs to 108.162.194.121, 162.159.38.121 and 172.64.34.121 along with 3 other IP addresses.

Hostname sevki.ns.cloudflare.com directs to 108.162.195.164, 162.159.44.164 and 172.64.35.164 along with 3 other IP addresses.

Mail Servers

core4tech.com routes its mail through a single mail server, mail.arphost.com.

core4tech.com, ippings.com and pinellashosting.com all share the same mail server setup.

mail.arphost.com directs to 104.232.11.205, 2602:f899:fe:1:104:232:11:205 and 2602:f899:fe:1:be24:11ff:fea5:97ae — three IP numbers in total.