syscall.com.br - dns.ninja

`syscall.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c180^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:39ec^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.236^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.128^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isabel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2668^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c268^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2268^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isabel.ns.cloudflare.com`
		A	108.162.194.104^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	162.159.38.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	172.64.34.104^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
NS	`yichun.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yichun.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yichun.ns.cloudflare.com`
		A	108.162.193.248^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	172.64.33.248^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	173.245.59.248^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
MX	`srvmail01.tisense.com.br` ⭐
		A	138.197.79.108^{🇺🇸 DIGITALOCEAN138.197.64.0/20 DigitalOcean}
			PTR	`srvmail01.tisense.com.br`
TXT	`v=spf1 include:_spf.tisense.com.br ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.236, 172.67.193.128
		IPv6 hints	2606:4700:3034::ac43:c180, 2606:4700:3037::6815:39ec
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`isabel.ns.cloudflare.com`dns@cloudflare.com serial=2411757611

`com.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=2026221524

rank #523461 globally
rank #3703 in the tld
WOT: SAFE (69/100)

Previously MX for

syscall.com.br

Same first word

syscall.co

syscall.de

syscall.com

syscall.cn

syscall.ca

syscall.dk

syscall.in

syscall.co.nz

syscall.racing

syscall.us

syscall.fr

syscall.se

syscall.org

syscall.ch

syscall.nl

syscall.com.br

syscall.it

syscall.eu

syscall.net

syscall.ws

syscall.io

syscall.gr

Similar names

callsys.ir

callsys.email

callsys.com.cn

scallys.com

callsys.net

asysllc.com

classly.org

classly.com

classly.net

callyss.com

scyllas.com

classly.co

callsys.co.uk

callsys.com.au

callsys.com.br

callsys.com

lyclass.com

DNS History

16 records (7 active, 9 former)

●NSisabel.ns.cloudflare.com2026-03-16 → 2026-08-09 · 3 obs

○ 2017-07-02 09:40:52
● 2026-03-16 20:49:10
● 2026-08-09 22:44:20

○NSns1.sysnet.net.br2015-08-19 → 2016-07-14 · 4 obs

● 2015-08-19 21:25:38
● 2016-07-14 17:50:40
○ 2017-07-02 09:40:52
○ 2026-08-09 22:44:20

○NSns2.sysnet.net.br2015-08-19 → 2016-07-14 · 4 obs

● 2015-08-19 21:25:38
● 2016-07-14 17:50:40
○ 2017-07-02 09:40:52
○ 2026-08-09 22:44:20

●NSyichun.ns.cloudflare.com2026-03-16 → 2026-08-09 · 3 obs

○ 2017-07-02 09:40:52
● 2026-03-16 20:49:10
● 2026-08-09 22:44:20

●MXsrvmail01.tisense.com.br2026-03-16 → 2026-08-09 · 3 obs

○ 2017-07-02 09:40:52
● 2026-03-16 20:49:10
● 2026-08-09 22:44:20

○MXsyscall.com.br2015-08-19 → 2016-07-14 · 4 obs

● 2015-08-19 21:25:38
● 2016-07-14 17:50:40
○ 2017-07-02 09:40:52
○ 2026-08-09 22:44:20

●A104.21.57.2362026-06-25 → 2026-08-09 · 5 obs

○ 2026-06-05 01:03:56
● 2026-06-25 12:16:54
○ 2026-07-08 13:10:44
● 2026-08-07 08:17:08
● 2026-08-09 22:44:20

●A172.67.193.1282026-06-25 → 2026-08-09 · 5 obs

○ 2026-06-05 01:03:56
● 2026-06-25 12:16:54
○ 2026-07-08 13:10:44
● 2026-08-07 08:17:08
● 2026-08-09 22:44:20

○A188.114.96.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-25 12:16:54
● 2026-07-08 13:10:44
○ 2026-08-07 08:17:08
○ 2026-08-09 22:44:20

○A188.114.97.02026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-25 12:16:54
● 2026-07-08 13:10:44
○ 2026-08-07 08:17:08
○ 2026-08-09 22:44:20

○A192.241.184.1312015-08-19 → 2016-07-14 · 4 obs

● 2015-08-19 21:25:38
● 2016-07-14 17:50:40
○ 2017-07-02 09:40:52
○ 2026-08-09 22:44:20

○A198.211.113.1372026-03-16 → 2026-06-05 · 5 obs

○ 2017-07-02 09:40:52
● 2026-03-16 20:49:10
● 2026-06-05 01:03:56
○ 2026-06-25 12:16:54
○ 2026-08-09 22:44:20

●A2606:4700:3034::ac43:c1802026-06-25 → 2026-08-09 · 5 obs

○ 2026-06-05 01:03:56
● 2026-06-25 12:16:54
○ 2026-07-08 13:10:44
● 2026-08-07 08:17:08
● 2026-08-09 22:44:20

●A2606:4700:3037::6815:39ec2026-06-25 → 2026-08-09 · 5 obs

○ 2026-06-05 01:03:56
● 2026-06-25 12:16:54
○ 2026-07-08 13:10:44
● 2026-08-07 08:17:08
● 2026-08-09 22:44:20

○A2a06:98c1:3120::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-25 12:16:54
● 2026-07-08 13:10:44
○ 2026-08-07 08:17:08
○ 2026-08-09 22:44:20

○A2a06:98c1:3121::2026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-25 12:16:54
● 2026-07-08 13:10:44
○ 2026-08-07 08:17:08
○ 2026-08-09 22:44:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
syscall.com.br	isabel.ns.cloudflare.com, yichun.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.248

NS records: isabel.ns.cloudflare.com, yichun.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for syscall.com.br (unsigned zone)

⏱️ Timing

Total: 749ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.193.128, 104.21.57.236`
AAAA	2	`2606:4700:3034::ac43:c180, 2606:4700:3037::6815:39ec`
NS	2	`isabel.ns.cloudflare.com, yichun.ns.cloudflare.com`
MX	1	`srvmail01.tisense.com.br (pri: 5)`
TXT	1	`v=spf1 include:_spf.tisense.com.br ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isabel.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

syscall.com.br resolves to four IP addresses: 104.21.57.236, 172.67.193.128, 2606:4700:3034::ac43:c180 and 2606:4700:3037::6815:39ec.

kittnom.xyz, kael.at, programbroiler.com and two other host names share IP numbers with syscall.com.br.

Name Servers

Two name servers handle the delegation for syscall.com.br: isabel.ns.cloudflare.com and yichun.ns.cloudflare.com.

syscall.com.br uses the same name servers as several other domains — among them wiwedo-visoto.info, tedefe-curaxo.info, bebono-duvofu.info and two more.

syscall.com.br partially shares its NS delegation with several other domains, including punkufer.si, casinowinzoria.net, resourceslaw.net and two others.

These name servers often co-occur with the name servers bruce.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

isabel.ns.cloudflare.com resolves to 108.162.194.104, 162.159.38.104 and 172.64.34.104 among others, with 3 other IP addresses in total.

yichun.ns.cloudflare.com resolves to 108.162.193.248, 172.64.33.248 and 173.245.59.248 among others, with 3 other IP addresses in total.

Mail Servers

Mail for syscall.com.br is handled by a single mail server, srvmail01.tisense.com.br.

syscall.com.br uses an identical mail server configuration to several other domains — among them sportfan.com.br, bd-adv.com, macostuniformes.com.br and two more.

srvmail01.tisense.com.br carries a single IP number, which is 138.197.79.108.