`api.mailos.com`

DNSSEC	⚠️ Not signed
A	64.99.64.37^{🇨🇦 TUCOWS64.99.0.0/16 Tucows.com Co}
		PTR	`osrs.systemdns.com`

`mailos.com`

	DNSSEC	⚠️ Not signed
	A	64.99.64.37^{🇨🇦 TUCOWS64.99.0.0/16 Tucows.com Co}
	NS	`ns1.systemdns.com` ⭐
	NS	`ns2.systemdns.com`
	NS	`ns3.systemdns.com`
	SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1752766047

Previously MX for

mailos.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A107.170.218.1262015-07-22 → 2020-02-18 · 4 obs

● 2015-07-22 05:20:36
● 2020-02-18 03:37:26
○ 2026-03-20 22:55:50
○ 2026-05-09 10:03:50

●A64.99.64.372026-03-20 → 2026-05-09 · 3 obs

○ 2020-02-18 03:37:26
● 2026-03-20 22:55:50
● 2026-05-09 10:03:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
mailos.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:64.99.96.36

NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailos.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.99.64.37`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)

Analysis

IP Addresses

api.mailos.com points to IP number 64.99.64.37.

For instance, other host names z-mak.com, con2net.com, intoronto.ca, gj-finance.com and equitysolutionsgroup.net share IP numbers with api.mailos.com.

api.mailos.com - robtex.com

api.mailos.com

mailos.com