`mail.sysclass.com`

	DNSSEC	⚠️ Not signed
	A	67.210.238.220

`sysclass.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d1e9^{Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:55c4^{Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.196^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.233^{Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`casey.ns.cloudflare.com` ⭐
NS	`danica.ns.cloudflare.com`
MX	`mail.sysclass.com` ⭐
TXT	`google-site-verification=W3ppBoPCEnYlW6qf5W3JhLf9QuU14x4-k9l2VaiT-CU`
TXT	`v=spf1 include:_spf.mlsend.com ip4:67.210.238.220 mx a:mail.sysclass.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.196, 172.67.209.233
		IPv6 hints	2606:4700:3031::ac43:d1e9, 2606:4700:3036::6815:55c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`casey.ns.cloudflare.com`dns@cloudflare.com serial=2406761493

WOT: SAFE (62/100)
WOT: SAFE (69/100)

PTR for

220.238.210.67.in-addr.arpa

MX for

americas.com.br

sysclass.com

Previously MX for

www.americas.com.br

ult.com.br

lucent.institute

Same first word

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mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

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mail.club

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mail.zip

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mail.gov.gd

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mail.pn

mail.panel.dev

mail.gov.il

mail.ie

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mail.schaeffler

mail.gov.to

mail.berlin

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mail.go.id

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mail.(0x6c6f6c697461)punk.jp

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lima.se

DNS History

3 records (1 active, 2 former)

○A173.193.157.1622015-05-27 → 2015-10-22 · 4 obs

● 2015-05-27 15:55:50
● 2015-10-22 07:59:54
○ 2015-12-31 01:04:02
○ 2026-07-02 22:45:22

○A50.30.43.1482015-12-31 → 2016-04-03 · 5 obs

○ 2015-10-22 07:59:54
● 2015-12-31 01:04:02
● 2016-04-03 13:58:42
○ 2016-11-22 15:28:30
○ 2026-07-02 22:45:22

●A67.210.238.2202016-11-22 → 2026-07-02 · 3 obs

○ 2016-04-03 13:58:42
● 2016-11-22 15:28:30
● 2026-07-02 22:45:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
sysclass.com	danica.ns.cloudflare.com, casey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.158

NS records: danica.ns.cloudflare.com, casey.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`67.210.238.220`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.sysclass.com acts as a mail server for americas.com.br and sysclass.com.

IP Addresses

mail.sysclass.com has exactly one IP address — 67.210.238.220.

mail.sysclass.com - dns.ninja