`sinasefern.org.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4b70^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:deca^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.112^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.202^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jasmine.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aaa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jasmine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jasmine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jasmine.ns.cloudflare.com`
		A	108.162.192.170^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jasmine.ns.cloudflare.com`
		A	172.64.32.170^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jasmine.ns.cloudflare.com`
		A	173.245.58.170^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jasmine.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
MX	`mail.sinasefern.org.br` ⭐
		A	195.154.191.12^{🇫🇷 AS12876195.154.0.0/16 Scaleway Paris, France}
			PTR	`195-154-191-12.rev.poneytelecom.eu`
TXT	`v=DMARC1; p=none; rua=mailto:nao-responda@sinasefern.org.br`
TXT	`v=spf1 ip4:195.154.191.12 include:br8.com.br ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.112, 172.67.222.202
		IPv6 hints	2606:4700:3034::6815:4b70, 2606:4700:3036::ac43:deca
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOA	`jasmine.ns.cloudflare.com`dns@cloudflare.com serial=2411558093

`org.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026225274

WOT: SAFE (99/100)

Previously MX for

sinasefern.org.br

Same first word

sinasefern.org.br

Similar names

serienfans.org

infrasense.net

serienfans.com

infrasense.com

DNS History

13 records (7 active, 6 former)

●NSjasmine.ns.cloudflare.com2026-04-24 → 2026-08-13 · 3 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-08-13 11:33:00

○NSns1.guiapc.com.br2018-05-26 → 2018-05-26 · 3 obs

● 2018-05-26 02:27:58
○ 2026-04-24 16:09:06
○ 2026-08-13 11:33:00

○NSns2.guiapc.com.br2018-05-26 → 2018-05-26 · 3 obs

● 2018-05-26 02:27:58
○ 2026-04-24 16:09:06
○ 2026-08-13 11:33:00

●NSscott.ns.cloudflare.com2026-04-24 → 2026-08-13 · 3 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-08-13 11:33:00

●MXmail.sinasefern.org.br2026-04-24 → 2026-08-13 · 3 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-08-13 11:33:00

○MXsinasefern.org.br2018-05-26 → 2018-05-26 · 3 obs

● 2018-05-26 02:27:58
○ 2026-04-24 16:09:06
○ 2026-08-13 11:33:00

●A104.21.75.1122026-04-24 → 2026-08-13 · 3 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-08-13 11:33:00

●A172.67.222.2022026-04-24 → 2026-08-13 · 3 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-08-13 11:33:00

○A2606:4700:3033::6815:4b702026-04-24 → 2026-06-07 · 5 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-06-07 03:58:04
○ 2026-06-23 16:24:38
○ 2026-08-13 11:33:00

○A2606:4700:3033::ac43:deca2026-04-24 → 2026-06-07 · 5 obs

○ 2018-05-26 02:27:58
● 2026-04-24 16:09:06
● 2026-06-07 03:58:04
○ 2026-06-23 16:24:38
○ 2026-08-13 11:33:00

●A2606:4700:3034::6815:4b702026-06-23 → 2026-08-13 · 3 obs

○ 2026-06-07 03:58:04
● 2026-06-23 16:24:38
● 2026-08-13 11:33:00

●A2606:4700:3036::ac43:deca2026-06-23 → 2026-08-13 · 3 obs

○ 2026-06-07 03:58:04
● 2026-06-23 16:24:38
● 2026-08-13 11:33:00

○A95.216.36.542018-05-26 → 2018-05-26 · 3 obs

● 2018-05-26 02:27:58
○ 2026-04-24 16:09:06
○ 2026-08-13 11:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	c.dns.br, a.dns.br, e.dns.br, f.dns.br...	-
sinasefern.org.br	jasmine.ns.cloudflare.com, scott.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.170

NS records: jasmine.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinasefern.org.br (unsigned zone)

⏱️ Timing

Total: 687ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.112, 172.67.222.202`
AAAA	2	`2606:4700:3034::6815:4b70, 2606:4700:3036::ac43:deca`
NS	2	`jasmine.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	1	`mail.sinasefern.org.br (pri: 0)`
TXT	2	`v=DMARC1; p=none; rua=mailto:nao-respond, v=spf1 ip4:195.154.191.12 include:br8.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jasmine.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

sinasefern.org.br directs to four IP numbers, which are 104.21.75.112, 172.67.222.202, 2606:4700:3034::6815:4b70 and 2606:4700:3036::ac43:deca.

Among the host names that share IP numbers with sinasefern.org.br are bgpbali.id, d6s3n.cn, ttk-telecom.ru and two others.

Name Servers

sinasefern.org.br is served by two delegated name servers, jasmine.ns.cloudflare.com and scott.ns.cloudflare.com.

sinasefern.org.br has the same name server delegation as a number of other domains, such as theclaim.clinic, fi-beta-prod-dex-secure.pro, bevnp.com and two more.

There is at least partial name server overlap between sinasefern.org.br and other domains — khcbonline.net, calvinrosser.com, sunforcesolar.in.net and two more among them.

The name servers miles.ns.cloudflare.com, woz.ns.cloudflare.com and grant.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

jasmine.ns.cloudflare.com carries IP addresses 108.162.192.170, 172.64.32.170 and 173.245.58.170, with 3 other addresses beyond those.

scott.ns.cloudflare.com carries IP addresses 108.162.193.230, 172.64.33.230 and 173.245.59.230, with 3 other addresses beyond those.

Mail Servers

sinasefern.org.br routes its mail through a single mail server, mail.sinasefern.org.br.

There is one IP number for mail.sinasefern.org.br: 195.154.191.12.

sinasefern.org.br - robtex.com