www.bcserna.com - robtex.com

www.bcserna.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:10d1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d7ee🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.209Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.238🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.16.209, 172.67.215.238
IPv62606:4700:3032::6815:10d1, 2606:4700:3037::ac43:d7ee

bcserna.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:10d1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d7ee🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.209Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.238🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSada.ns.cloudflare.com ⭐
NSdave.ns.cloudflare.com
MXsmtp.google.com ⭐
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.16.209, 172.67.215.238
IPv62606:4700:3032::6815:10d1, 2606:4700:3037::ac43:d7ee
SOAada.ns.cloudflare.comdns@cloudflare.com serial=2400128474

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DNS History

9 records (4 active, 5 former)

20192020202120222023202420252026A104.21.16.209172.67.215.2382606:4700:3032::6815:10d12606:4700:3037::ac43:d7ee188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::CNAMEext-cust.squarespace.com
●A104.21.16.2092026-02-20 → 2026-03-30 · 2 obs
● 2026-02-20 12:43:14
● 2026-03-30 14:29:52
●A172.67.215.2382026-02-20 → 2026-03-30 · 2 obs
● 2026-02-20 12:43:14
● 2026-03-30 14:29:52
○A188.114.96.02026-02-20 → 2026-03-30 · 2 obs
○ 2026-02-20 12:43:14
○ 2026-03-30 14:29:52
○A188.114.97.02026-02-20 → 2026-03-30 · 2 obs
○ 2026-02-20 12:43:14
○ 2026-03-30 14:29:52
●A2606:4700:3032::6815:10d12026-02-20 → 2026-03-30 · 2 obs
● 2026-02-20 12:43:14
● 2026-03-30 14:29:52
●A2606:4700:3037::ac43:d7ee2026-02-20 → 2026-03-30 · 2 obs
● 2026-02-20 12:43:14
● 2026-03-30 14:29:52
○A2a06:98c1:3120::2026-02-20 → 2026-03-30 · 2 obs
○ 2026-02-20 12:43:14
○ 2026-03-30 14:29:52
○A2a06:98c1:3121::2026-02-20 → 2026-03-30 · 2 obs
○ 2026-02-20 12:43:14
○ 2026-03-30 14:29:52
○CNAMEext-cust.squarespace.com2018-07-15 → 2018-07-15 · 3 obs
● 2018-07-15 20:12:46
○ 2026-02-20 12:43:14
○ 2026-03-30 14:29:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bcserna.comdave.ns.cloudflare.com, ada.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.54

NS records: dave.ns.cloudflare.com, ada.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bcserna.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.209, 172.67.215.238
AAAA22606:4700:3037::ac43:d7ee, 2606:4700:3032::6815:10d1
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.bcserna.com refers to four IP numbers: 2606:4700:3032::6815:10d1, 2606:4700:3037::ac43:d7ee, 104.21.16.209 and 172.67.215.238.

Other host names, for instance maintelecom.net, stjamestheatre.co.uk, sammido.com, mail.kankan12345.com and weyhong.com share IP numbers with www.bcserna.com.