devgrid.courses - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

devgrid.courses

DNSSEC⚠️ Not signed
NSdave.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A2803:f800:50::6ca2:c16d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdave.ns.cloudflare.com
A2a06:98c1:50::ac40:216d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdave.ns.cloudflare.com
A108.162.193.109🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A172.64.33.109🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A173.245.59.109🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
NSvenus.ns.cloudflare.com
A2606:4700:50::adf5:3aeb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A2803:f800:50::6ca2:c0eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvenus.ns.cloudflare.com
A2a06:98c1:50::ac40:20eb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvenus.ns.cloudflare.com
A108.162.192.235🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A172.64.32.235🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A173.245.58.235🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
SOAdave.ns.cloudflare.comdns@cloudflare.com serial=2418284347

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1794405412
⚠️ On DNS blocklist: spam-tlds

Same first word

devgrid.courses
devgrid.xyz
devgrid.com
devgrid.cc
devgrid.org
devgrid.store
devgrid.net
devgrid.site
devgrid.dev
devgrid.com.br
devgrid.io
devgrid.si
devgrid.info
devgrid.shop
devgrid.synology.me
devgrid.space
devgrid.online
devgrid.co
devgrid.top
devgrid.us
devgrid.ru
devgrid.co.uk
devgrid.ro
devgrid.click
devgrid.de
devgrid.tech
devgrid.com.au
devgrid.nl

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DNS History

2 records (2 active, 0 former)

NSdave.ns.cloudflare.comvenus.ns.cloudflare.com
●NSdave.ns.cloudflare.com2026-10-24 → 2026-11-11 · 2 obs
● 2026-10-24 09:42:14
● 2026-11-11 14:02:20
●NSvenus.ns.cloudflare.com2026-10-24 → 2026-11-11 · 2 obs
● 2026-10-24 09:42:14
● 2026-11-11 14:02:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, z.nic.courses, c.nic.courses, x.nic.courses...12 records
devgrid.coursesdave.ns.cloudflare.com, venus.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.109

NS records: dave.ns.cloudflare.com, venus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devgrid.courses (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

TypeCountSample Data
NS2dave.ns.cloudflare.com, venus.ns.cloudflare.com
SOA1dave.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

Name Servers

The NS records for devgrid.courses delegate to dave.ns.cloudflare.com and venus.ns.cloudflare.com.

devgrid.courses shares its NS records with other domains, for example purecraftphoto.com, rescuegrid.dog, pt888.vu and two others.

The name servers of devgrid.courses overlap at least partially with those of other domains — among them allolumari.com, gvusp.com, richelle-435.workers.dev and two more.

These name servers commonly appear alongside the name servers memphis.ns.cloudflare.com and mimi.ns.cloudflare.com.

DNS names with 6 IP addresses:

dave.ns.cloudflare.com maps to 108.162.193.109, 172.64.33.109, 173.245.59.109 and 3 additional IP addresses.

venus.ns.cloudflare.com maps to 108.162.192.235, 172.64.32.235, 173.245.58.235 and 3 additional IP addresses.