www.functionaloncology.com - robtex.com

www.functionaloncology.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:56fe🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:8adf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.254Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.223🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.254, 172.67.138.223
IPv6 hints2606:4700:3030::6815:56fe, 2606:4700:3033::ac43:8adf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com

functionaloncology.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:56fe🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:8adf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.254Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.223🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSara.ns.cloudflare.com ⭐
NSfred.ns.cloudflare.com
MXeast.smtp.mx.exch091.serverdata.net ⭐
MXwest.smtp.mx.exch091.serverdata.net ⭐
TXTca3-ba91a08c49e147a098035346b4feb376
TXTv=spf1 +a +mx +ip4:209.182.194.64 +ip4:64.78.26.192 include:spf.intermedia.ne...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.254, 172.67.138.223
IPv6 hints2606:4700:3030::6815:56fe, 2606:4700:3033::ac43:8adf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com
SOAara.ns.cloudflare.comdns@cloudflare.com serial=2409633730

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DNS History

7 records (4 active, 3 former)

20192020202120222023202420252026A104.21.86.254172.67.138.2232606:4700:3030::6815:56fe2606:4700:3033::ac43:8adf2606:4700:3030::ac43:8adf2606:4700:3036::6815:56feCNAMEfunctionaloncology.com
●A104.21.86.2542026-06-11 → 2026-08-06 · 2 obs
● 2026-06-11 15:36:14
● 2026-08-06 11:41:52
●A172.67.138.2232026-06-11 → 2026-08-06 · 2 obs
● 2026-06-11 15:36:14
● 2026-08-06 11:41:52
●A2606:4700:3030::6815:56fe2026-07-08 → 2026-08-06 · 3 obs
○ 2026-06-11 15:36:14
● 2026-07-08 22:05:44
● 2026-08-06 11:41:52
○A2606:4700:3030::ac43:8adf2026-06-11 → 2026-06-11 · 3 obs
● 2026-06-11 15:36:14
○ 2026-07-08 22:05:44
○ 2026-08-06 11:41:52
●A2606:4700:3033::ac43:8adf2026-07-08 → 2026-08-06 · 3 obs
○ 2026-06-11 15:36:14
● 2026-07-08 22:05:44
● 2026-08-06 11:41:52
○A2606:4700:3036::6815:56fe2026-06-11 → 2026-06-11 · 3 obs
● 2026-06-11 15:36:14
○ 2026-07-08 22:05:44
○ 2026-08-06 11:41:52
○CNAMEfunctionaloncology.com2018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 06:25:50
○ 2026-06-11 15:36:14
○ 2026-08-06 11:41:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...-
functionaloncology.comfred.ns.cloudflare.com, ara.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.113

NS records: fred.ns.cloudflare.com, ara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for functionaloncology.com (unsigned zone)

⏱️ Timing

Total: 137ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.223, 104.21.86.254
AAAA22606:4700:3033::ac43:8adf, 2606:4700:3030::6815:56fe
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (fred.ns.cloudflare.com, fred.ns.cloudflare.com, fred.ns.cloudflare.com...)

Analysis

IP Addresses

www.functionaloncology.com has four IP addresses: 104.21.86.254, 172.67.138.223, 2606:4700:3030::6815:56fe and 2606:4700:3033::ac43:8adf.

www.binderforge.com, dajabon.net, fklxs.com and two other host names share IP numbers with www.functionaloncology.com.