bio-learn.org - robtex.com
bio-learn.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:265🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8112🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.101Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.18🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | harlan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cfa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23fa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 108.162.195.250🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 162.159.44.250Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| A | 172.64.35.250🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harlan.ns.cloudflare.com | ||||||
| NS | melody.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26fa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22fa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| A | 108.162.194.250🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| A | 162.159.38.250Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| A | 172.64.34.250🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melody.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.101, 172.67.129.18 | ||||||
| IPv6 hints | 2606:4700:3032::6815:265, 2606:4700:3037::ac43:8112 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com | ||||||
| SOA | harlan.ns.cloudflare.comdns@cloudflare.com serial=2399735712 | ||||||
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=1777063171 | ||||||
Same first word
bio-learn.org |
DNS History
6 records (6 active, 0 former)
●NSharlan.ns.cloudflare.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
●NSmelody.ns.cloudflare.com2026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
●A104.21.2.1012026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
●A172.67.129.182026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
●A2606:4700:3032::6815:2652026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
●A2606:4700:3037::ac43:81122026-04-11 → 2026-04-24 · 2 obs
● 2026-04-24 21:01:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| bio-learn.org | melody.ns.cloudflare.com, harlan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.250
NS records: melody.ns.cloudflare.com, harlan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bio-learn.org (unsigned zone)
⏱️ Timing
Total: 450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.2.101, 172.67.129.18 |
| AAAA | 2 | 2606:4700:3032::6815:265, 2606:4700:3037::ac43:8112 |
| NS | 2 | harlan.ns.cloudflare.com, melody.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | harlan.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
Four IP numbers are pointed to by bio-learn.org: 2606:4700:3032::6815:265, 2606:4700:3037::ac43:8112, 104.21.2.101 and 172.67.129.18.
other host names including dc-99949141-dc-99949141.imieninowe.pl, acilcivata.com, koenv.com, nomoreveins.com and boldbuzzechofeed.com share IP numbers with bio-learn.org.
Name Servers
bio-learn.org is delegated to two name servers harlan.ns.cloudflare.com and melody.ns.cloudflare.com.
bio-learn.org shares the same name server setup as other domains, for instance dibizon.com, whyes.org, orthogonal.io, tangmin.com and qualityassist.mx.
bio-learn.org at least partially shares name servers with other domains, for instance angnian.com, jessihod.com, plinko.co, elfagr.news and nash-rock.com.
These name servers are commonly used with nena.ns.cloudflare.com, rocky.ns.cloudflare.com and kyrie.ns.cloudflare.com.
Host names with six IP numbers:
Host name harlan.ns.cloudflare.com points to: 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250.
Host name melody.ns.cloudflare.com points to: 2606:4700:50::a29f:26fa, 2803:f800:50::6ca2:c2fa, 2a06:98c1:50::ac40:22fa, 108.162.194.250, 162.159.38.250 and 172.64.34.250.