dfiabae.courses - robtex.com
dfiabae.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:5a43🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c40f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.90.67Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.15🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amalia.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:265e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c25e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:225e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| A | 108.162.194.94🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| A | 162.159.38.94Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| A | 172.64.34.94🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amalia.ns.cloudflare.com | ||||||
| NS | josh.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| A | 108.162.193.126🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| A | 172.64.33.126🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| A | 173.245.59.126🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josh.ns.cloudflare.com | ||||||
| TXT | google-site-verification=qN7CxBd9vYKX_5b2W56uyO0vOBMvgfPdWqPOMonz3QM | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.90.67, 172.67.196.15 | ||||||
| IPv6 | 2606:4700:3037::6815:5a43, 2606:4700:3037::ac43:c40f | ||||||
| SOA | amalia.ns.cloudflare.comdns@cloudflare.com serial=2397120852 | ||||||
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=1775018472 | ||||||
Subdomains
66.dfiabae.courses |
Same first word
dfiabae.courses |
DNS History
6 records (6 active, 0 former)
●NSamalia.ns.cloudflare.com2026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
●NSjosh.ns.cloudflare.com2026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
●A104.21.90.672026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
●A172.67.196.152026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
●A2606:4700:3037::6815:5a432026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
●A2606:4700:3037::ac43:c40f2026-03-28 → 2026-04-01 · 2 obs
● 2026-04-01 05:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| dfiabae.courses | amalia.ns.cloudflare.com, josh.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.126
NS records: amalia.ns.cloudflare.com, josh.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfiabae.courses (unsigned zone)
⏱️ Timing
Total: 491ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.196.15, 104.21.90.67 |
| AAAA | 2 | 2606:4700:3037::6815:5a43, 2606:4700:3037::ac43:c40f |
| NS | 2 | amalia.ns.cloudflare.com, josh.ns.cloudflare.com |
| TXT | 1 | google-site-verification=qN7CxBd9vYKX_5b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amalia.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)
Analysis
Hierarchy
dfiabae.courses is the parent of 66.dfiabae.courses.
IP Addresses
Four IP numbers are pointed to by dfiabae.courses: 2606:4700:3037::6815:5a43, 2606:4700:3037::ac43:c40f, 104.21.90.67 and 172.67.196.15.
other host names including pslava.com, 63889339.com, wecards.com, www.solidx.com and orangehousing.org share IP numbers with dfiabae.courses.
Name Servers
dfiabae.courses is delegated to two name servers amalia.ns.cloudflare.com and josh.ns.cloudflare.com.
dfiabae.courses shares the same name server setup as other domains, for instance thetotalwellness.com, syvum.com, aimaye.com, ogl846872.org and 1popularity.com.
dfiabae.courses at least partially shares name servers with other domains, for instance beeplive.net, benjohn.org, easyrnd.co.uk, ilab.com.tr and bilche-zolotecka-gromada.gov.ua.
These name servers are commonly used with reese.ns.cloudflare.com, harlan.ns.cloudflare.com and harleigh.ns.cloudflare.com.
Host names with six IP numbers:
Host name amalia.ns.cloudflare.com points to: 2606:4700:50::a29f:265e, 2803:f800:50::6ca2:c25e, 2a06:98c1:50::ac40:225e, 108.162.194.94, 162.159.38.94 and 172.64.34.94.
Host name josh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.