ddgvcn.courses - robtex.com
ddgvcn.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:96e1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:bfb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.11.251Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.225🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hattie.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26ac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ac🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 108.162.194.172🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 162.159.38.172Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 172.64.34.172🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| NS | leland.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c08🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c308🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2308🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| A | 108.162.195.8🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| A | 162.159.44.8Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| A | 172.64.35.8🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leland.ns.cloudflare.com | ||||||
| TXT | google-site-verification=1FO_TXkFHHYWr_hHyq-dMAX1GKAyVAd2smrA47doA4Y | ||||||
| TXT | google-site-verification=nQG5-R9ItIZ726O8oumX1KaTpS9VNFIUxJ8TEUCqz-o | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.11.251, 172.67.150.225 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:96e1, 2606:4700:3034::6815:bfb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com | ||||||
| SOA | hattie.ns.cloudflare.comdns@cloudflare.com serial=2403709329 | ||||||
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=1778750982 | ||||||
Same first word
ddgvcn.courses |
DNS History
6 records (6 active, 0 former)
●NShattie.ns.cloudflare.com2026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
●NSleland.ns.cloudflare.com2026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
●A104.21.11.2512026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
●A172.67.150.2252026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
●A2606:4700:3030::ac43:96e12026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
●A2606:4700:3034::6815:bfb2026-05-06 → 2026-05-14 · 2 obs
● 2026-05-14 09:33:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| ddgvcn.courses | hattie.ns.cloudflare.com, leland.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.8
NS records: hattie.ns.cloudflare.com, leland.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ddgvcn.courses (unsigned zone)
⏱️ Timing
Total: 704ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.150.225, 104.21.11.251 |
| AAAA | 2 | 2606:4700:3034::6815:bfb, 2606:4700:3030::ac43:96e1 |
| NS | 2 | hattie.ns.cloudflare.com, leland.ns.cloudflare.com |
| TXT | 2 | google-site-verification=1FO_TXkFHHYWr_h, google-site-verification=nQG5-R9ItIZ726O |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hattie.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)
Analysis
IP Addresses
Four IP numbers are pointed to by ddgvcn.courses: 2606:4700:3030::ac43:96e1, 2606:4700:3034::6815:bfb, 104.21.11.251 and 172.67.150.225.
other host names including smspipes.com, appealcontentsx-x.com, dayuzhiyuan.com, mistywillowshade.com and 68fio.com share IP numbers with ddgvcn.courses.
Name Servers
ddgvcn.courses is delegated to two name servers hattie.ns.cloudflare.com and leland.ns.cloudflare.com.
ddgvcn.courses shares the same name server setup as other domains, for instance knowsylthryva.com, xalghj.shop, wfdelauter.com, 312355.com and pingable.org.
ddgvcn.courses at least partially shares name servers with other domains, for instance ihow.it, ste-famille.com, skypatte-rnx.digital, arizonaworks.click and pufferlabs.click.
These name servers are commonly used with khalid.ns.cloudflare.com, jakub.ns.cloudflare.com and elma.ns.cloudflare.com.
Host names with six IP numbers:
Host name hattie.ns.cloudflare.com points to: 2606:4700:50::a29f:26ac, 2803:f800:50::6ca2:c2ac, 2a06:98c1:50::ac40:22ac, 108.162.194.172, 162.159.38.172 and 172.64.34.172.
Host name leland.ns.cloudflare.com points to: 2606:4700:58::a29f:2c08, 2803:f800:50::6ca2:c308, 2a06:98c1:50::ac40:2308, 108.162.195.8, 162.159.44.8 and 172.64.35.8.