dev.efcsn.com - dns.ninja

`dev.efcsn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d133^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1732^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.50^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.51^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.50, 172.67.209.51
		IPv6 hints	2606:4700:3032::ac43:d133, 2606:4700:3036::6815:1732
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com

`efcsn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d133^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1732^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.50^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.51^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jasper.ns.cloudflare.com` ⭐
NS	`surina.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
MX	`mail.protonmail.ch`⁽¹⁰⁾
MX	`mailsec.protonmail.ch`⁽²⁰⁾
TXT	`google-site-verification=FegU9WH5uYTljnWMWCFnp0K1_IkNBokMguzkDU215_E`
TXT	`protonmail-verification=0cd8e41c89b734a47fad89e9206f1357ccea1544`
TXT	`v=spf1 include:_spf.google.com -all`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.50, 172.67.209.51
		IPv6 hints	2606:4700:3032::ac43:d133, 2606:4700:3036::6815:1732
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com
SOA	`jasper.ns.cloudflare.com`dns@cloudflare.com serial=2407154310

rank #325853 globally
rank #139909 in the tld

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DNS History

9 records (4 active, 5 former)

●A104.21.23.502026-03-01 → 2026-06-26 · 5 obs

● 2026-03-01 02:48:30
● 2026-03-05 17:10:58
○ 2026-04-13 08:21:24
● 2026-06-26 19:12:16
● 2026-06-26 19:12:18

●A172.67.209.512026-03-01 → 2026-06-26 · 5 obs

● 2026-03-01 02:48:30
● 2026-03-05 17:10:58
○ 2026-04-13 08:21:24
● 2026-06-26 19:12:16
● 2026-06-26 19:12:18

○A188.114.96.02026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-05 17:10:58
● 2026-04-13 08:21:24
○ 2026-06-26 19:12:16
○ 2026-06-26 19:12:18

○A188.114.97.02026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-05 17:10:58
● 2026-04-13 08:21:24
○ 2026-06-26 19:12:16
○ 2026-06-26 19:12:18

●A2606:4700:3032::ac43:d1332026-03-01 → 2026-06-26 · 5 obs

● 2026-03-01 02:48:30
● 2026-03-05 17:10:58
○ 2026-04-13 08:21:24
● 2026-06-26 19:12:16
● 2026-06-26 19:12:18

○A2606:4700:3033::6815:17322026-03-01 → 2026-03-05 · 4 obs

● 2026-03-01 02:48:30
● 2026-03-05 17:10:58
○ 2026-04-13 08:21:24
○ 2026-06-26 19:12:18

●A2606:4700:3036::6815:17322026-06-26 → 2026-06-26 · 3 obs

○ 2026-04-13 08:21:24
● 2026-06-26 19:12:16
● 2026-06-26 19:12:18

○A2a06:98c1:3120::2026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-05 17:10:58
● 2026-04-13 08:21:24
○ 2026-06-26 19:12:16
○ 2026-06-26 19:12:18

○A2a06:98c1:3121::2026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-05 17:10:58
● 2026-04-13 08:21:24
○ 2026-06-26 19:12:16
○ 2026-06-26 19:12:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
efcsn.com	surina.ns.cloudflare.com, jasper.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.182

NS records: surina.ns.cloudflare.com, jasper.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efcsn.com (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.50, 172.67.209.51`
AAAA	2	`2606:4700:3032::ac43:d133, 2606:4700:3036::6815:1732`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dev.efcsn.com points to the four IP addresses 104.21.23.50, 172.67.209.51, 2606:4700:3032::ac43:d133 and 2606:4700:3036::6815:1732.

www.agenciaapollo.com.br.cdn.cloudflare.net, ns2.engineseven.com, ph7ji3.com and two other host names share IP numbers with dev.efcsn.com.