covid19studies.org - robtex.com
covid19studies.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d080🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:5d5f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.93.95Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.208.128🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | collins.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| A | 108.162.194.226🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| A | 162.159.38.226Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| A | 172.64.34.226🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | collins.ns.cloudflare.com | ||||||
| NS | venkat.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cfe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23fe🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 108.162.195.254🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 162.159.44.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 172.64.35.254🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.93.95, 172.67.208.128 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d080, 2606:4700:3034::6815:5d5f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com | ||||||
| SOA | collins.ns.cloudflare.comdns@cloudflare.com serial=2399852001 | ||||||
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=1778351512 | ||||||
Same first word
covid19studies.org |
DNS History
6 records (6 active, 0 former)
●NScollins.ns.cloudflare.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
●NSvenkat.ns.cloudflare.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
●A104.21.93.952026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
●A172.67.208.1282026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
●A2606:4700:3032::ac43:d0802026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
●A2606:4700:3034::6815:5d5f2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-09 18:59:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| covid19studies.org | collins.ns.cloudflare.com, venkat.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.254
NS records: collins.ns.cloudflare.com, venkat.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for covid19studies.org (unsigned zone)
⏱️ Timing
Total: 423ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.208.128, 104.21.93.95 |
| AAAA | 2 | 2606:4700:3034::6815:5d5f, 2606:4700:3032::ac43:d080 |
| NS | 2 | collins.ns.cloudflare.com, venkat.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | collins.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
covid19studies.org points to four IP numbers: 2606:4700:3032::ac43:d080, 2606:4700:3034::6815:5d5f, 104.21.93.95 and 172.67.208.128.
Other host names, for instance nanotech.sbs, im2003.org, snippy.email, ns2.eventspublicity.com and condux.com.br share IP numbers with covid19studies.org.
Name Servers
covid19studies.org's delegation is to two name servers collins.ns.cloudflare.com and venkat.ns.cloudflare.com.
covid19studies.org shares the same name server configuration as other domains, such as claudecode.app, 1bz.net, bosangka.web.id, freemarkdown.com and 5tytk.com.
covid19studies.org at least partially shares its name servers with other domains, for instance teamillusiv.net, marthaberner.com, yonorummyz.com, ncvet.com and perfectpawstore.com.
these name servers are commonly used together with jade.ns.cloudflare.com, cass.ns.cloudflare.com, yisroel.ns.cloudflare.com and wells.ns.cloudflare.com.
Host names with six IP numbers:
collins.ns.cloudflare.com points to: 2606:4700:50::a29f:26e2, 2803:f800:50::6ca2:c2e2, 2a06:98c1:50::ac40:22e2, 108.162.194.226, 162.159.38.226 and 172.64.34.226.
venkat.ns.cloudflare.com points to: 2606:4700:58::a29f:2cfe, 2803:f800:50::6ca2:c3fe, 2a06:98c1:50::ac40:23fe, 108.162.195.254, 162.159.44.254 and 172.64.35.254.