kdnumt.courses - robtex.com
kdnumt.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c280🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:c7f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.128🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | megan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ac5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 108.162.192.197🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 172.64.32.197🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| A | 173.245.58.197🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | megan.ns.cloudflare.com | ||||||
| NS | zac.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cb2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3b2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23b2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 108.162.195.178🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 162.159.44.178Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| A | 172.64.35.178🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zac.ns.cloudflare.com | ||||||
| TXT | google-site-verification=VnBoZD887Z40Of2n4OhHPnOkb3Fuy3_sSUJlcHA16CY | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.12.127, 172.67.194.128 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c280, 2606:4700:3036::6815:c7f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com | ||||||
| SOA | megan.ns.cloudflare.comdns@cloudflare.com serial=2404071296 | ||||||
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1778619303 | ||||||
Subdomains
www.kdnumt.courses |
Same first word
kdnumt.courses |
DNS History
6 records (6 active, 0 former)
●NSmegan.ns.cloudflare.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
●NSzac.ns.cloudflare.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
●A104.21.12.1272026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
●A172.67.194.1282026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
●A2606:4700:3033::ac43:c2802026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
●A2606:4700:3036::6815:c7f2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 23:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| kdnumt.courses | zac.ns.cloudflare.com, megan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.178
NS records: zac.ns.cloudflare.com, megan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kdnumt.courses (unsigned zone)
⏱️ Timing
Total: 506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.194.128, 104.21.12.127 |
| AAAA | 2 | 2606:4700:3036::6815:c7f, 2606:4700:3033::ac43:c280 |
| NS | 2 | megan.ns.cloudflare.com, zac.ns.cloudflare.com |
| TXT | 1 | google-site-verification=VnBoZD887Z40Of2 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | megan.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)
Analysis
Hierarchy
www.kdnumt.courses has kdnumt.courses as its parent.
IP Addresses
kdnumt.courses maps to four IP numbers: 2606:4700:3033::ac43:c280, 2606:4700:3036::6815:c7f, 104.21.12.127 and 172.67.194.128.
Other host names, for instance celeborn.net, cornishbees.com, mail.dldownload.com.ng, kenquru-2026.az and shuimaitong315.com share IP numbers with kdnumt.courses.
Name Servers
Two name servers megan.ns.cloudflare.com and zac.ns.cloudflare.com are delegated to kdnumt.courses.
kdnumt.courses uses the same name server configuration as other domains, such as hlg-vip.com, leomelki.fr, xable.net, was.media and expertsminds.com.
kdnumt.courses at least partially shares name servers with other domains such as smooth.style, fuzzibo.id, dpdu.es, thebunsenburner.com and mosquebook.net.
These name servers are commonly used with luke.ns.cloudflare.com and dilbert.ns.cloudflare.com.
Host names with six IP numbers: Host name megan.ns.cloudflare.com points to 2606:4700:50::adf5:3ac5, 2803:f800:50::6ca2:c0c5, 2a06:98c1:50::ac40:20c5, 108.162.192.197, 172.64.32.197 and 173.245.58.197; host name zac.ns.cloudflare.com points to 2606:4700:58::a29f:2cb2, 2803:f800:50::6ca2:c3b2, 2a06:98c1:50::ac40:23b2, 108.162.195.178, 162.159.44.178 and 172.64.35.178.