virtualcourses.org - robtex.com
virtualcourses.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700::6812:2df🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700::6812:3df🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.18.2.223Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.18.3.223Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | algin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| A | 108.162.193.61🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| A | 172.64.33.61🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| A | 173.245.59.61🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | algin.ns.cloudflare.com | ||||||
| NS | arya.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a46🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arya.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c046🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | arya.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2046🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | arya.ns.cloudflare.com | ||||||
| A | 108.162.192.70🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-108-162-192-70.defastlink.net | ||||||
| A | 172.64.32.70🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-172-64-32-70.defastlink.net | ||||||
| A | 173.245.58.70🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-173-245-58-70.defastlink.net | ||||||
| SOA | algin.ns.cloudflare.comdns@cloudflare.com serial=2399644038 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Same first word
virtualcourses.com |
virtualcourses.org |
Similar names
DNS History
6 records (6 active, 0 former)
●NSalgin.ns.cloudflare.com2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
●NSarya.ns.cloudflare.com2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
●A104.18.2.2232026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
●A104.18.3.2232026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
●A2606:4700::6812:2df2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
●A2606:4700::6812:3df2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 01:03:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| virtualcourses.org | arya.ns.cloudflare.com, algin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.61
NS records: arya.ns.cloudflare.com, algin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for virtualcourses.org (unsigned zone)
⏱️ Timing
Total: 330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.3.223, 104.18.2.223 |
| AAAA | 2 | 2606:4700::6812:2df, 2606:4700::6812:3df |
| NS | 2 | algin.ns.cloudflare.com, arya.ns.cloudflare.com |
| SOA | 1 | algin.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
virtualcourses.org maps to four IP numbers: 2606:4700::6812:2df, 2606:4700::6812:3df, 104.18.2.223 and 104.18.3.223.
Other host names, for instance dipingqijiage.com, upesf.com, 1jiafc.com, ilikewatermelon.com and iprockers.com share IP numbers with virtualcourses.org.
Name Servers
Two name servers algin.ns.cloudflare.com and arya.ns.cloudflare.com handle delegation for virtualcourses.org.
virtualcourses.org uses the same name server setup as other domains, for example ddrdns.com, svdentalcolumbia.com, opiaresto.com, pscconsulting.com and bayroc-marina.com.
virtualcourses.org partially shares name servers with other domains; examples include forum(0x616e616c)iz.com, udofan.eu.org, imahe.com, discotek.club and yourlinkhub.com.
Host names with six IP numbers: algin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3d, 2803:f800:50::6ca2:c13d, 2a06:98c1:50::ac40:213d, 108.162.193.61, 172.64.33.61 and 173.245.59.61; arya.ns.cloudflare.com points to: 2606:4700:50::adf5:3a46, 2803:f800:50::6ca2:c046, 2a06:98c1:50::ac40:2046, 108.162.192.70, 172.64.32.70 and 173.245.58.70.