`sfn-developers.eu`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9b72^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5259^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.89^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.114^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`austin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b46^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c146^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`austin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2146^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`austin.ns.cloudflare.com`
		A	108.162.193.70^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	172.64.33.70^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
		A	173.245.59.70^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`austin.ns.cloudflare.com`
NS	`iris.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c076^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`iris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2076^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`iris.ns.cloudflare.com`
		A	108.162.192.118^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	172.64.32.118^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	173.245.58.118^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
MX	`_dc-mx.c48f54390263.sfn-developers.eu` ⭐
		A	212.83.177.71^{🇫🇷 AS12876212.83.160.0/19 Scaleway Paris, France}
			PTR	`212-83-177-71.rev.poneytelecom.eu`
TXT	`7230468fb60603edd2aed87dd8c24eaf85891ed6`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.89, 172.67.155.114
		IPv6 hints	2606:4700:3030::ac43:9b72, 2606:4700:3037::6815:5259
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`austin.ns.cloudflare.com`dns@cloudflare.com serial=2402847209

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1124126093

Same first word

sfn-developers.eu

DNS History

7 records (7 active, 0 former)

●NSaustin.ns.cloudflare.com2026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●NSiris.ns.cloudflare.com2026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●MX_dc-mx.c48f54390263.sfn-developers.eu2026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●A104.21.82.892026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●A172.67.155.1142026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●A2606:4700:3030::ac43:9b722026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

●A2606:4700:3037::6815:52592026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 20:57:14
● 2026-05-12 07:43:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
sfn-developers.eu	iris.ns.cloudflare.com, austin.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.118

NS records: iris.ns.cloudflare.com, austin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfn-developers.eu (unsigned zone)

⏱️ Timing

Total: 1033ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.114, 104.21.82.89`
AAAA	2	`2606:4700:3030::ac43:9b72, 2606:4700:3037::6815:5259`
NS	2	`austin.ns.cloudflare.com, iris.ns.cloudflare.com`
MX	1	`_dc-mx.c48f54390263.sfn-developers.eu (p`
TXT	1	`7230468fb60603edd2aed87dd8c24eaf85891ed6`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`austin.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

Four IP numbers are pointed to by sfn-developers.eu: 2606:4700:3030::ac43:9b72, 2606:4700:3037::6815:5259, 104.21.82.89 and 172.67.155.114.

other host names including longhuiyinshua.com, www.akvideo.tk, xeroxhp.ru, hayalkoksal.com and yapof.com share IP numbers with sfn-developers.eu.

Name Servers

sfn-developers.eu is delegated to two name servers austin.ns.cloudflare.com and iris.ns.cloudflare.com.

sfn-developers.eu shares the same name server setup as other domains, for instance agrapojistovna.cz, luxebabe.blog, sfs.zone, vintagetimewatches.com and leadscloud.xyz.

sfn-developers.eu at least partially shares name servers with other domains, for instance infonext.ru, hilosevorax.com, dupaketoroperationsinc.digital, nexu-sprimeagency.click and yiqisevefaisventures.digital.

These name servers are commonly used with norah.ns.cloudflare.com, miki.ns.cloudflare.com and tanner.ns.cloudflare.com.

Host names with six IP numbers:

Host name austin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b46, 2803:f800:50::6ca2:c146, 2a06:98c1:50::ac40:2146, 108.162.193.70, 172.64.33.70 and 173.245.59.70.

Host name iris.ns.cloudflare.com points to: 2606:4700:50::adf5:3a76, 2803:f800:50::6ca2:c076, 2a06:98c1:50::ac40:2076, 108.162.192.118, 172.64.32.118 and 173.245.58.118.

Mail Servers

sfn-developers.eu is handled by a single mail server, _dc-mx.c48f54390263.sfn-developers.eu.

_dc-mx.c48f54390263.sfn-developers.eu resolves to IP 212.83.177.71.

sfn-developers.eu - robtex.com