🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.simplexdev.app`

DNSSEC	⚠️ Not signed
A	138.197.5.60^{🇺🇸 DIGITALOCEAN138.197.0.0/20 DigitalOcean}
		PTR	`mail.simplexdev.app`

`simplexdev.app`

	DNSSEC	⚠️ Not signed
	A	104.131.167.172^{🇺🇸 DIGITALOCEAN104.131.160.0/20 DigitalOcean}
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`
	MX	`mail.simplexdev.app` ⭐
	TXT	`v=spf1 mx include:spf.smtp2go.com -all`
	SOA	`ns1.digitalocean.com`hostmaster@simplexdev.app serial=0

PTR for

60.5.197.138.in-addr.arpa

MX for

simplexdev.app

Same first word

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A138.197.5.602026-09-18 → 2026-09-28 · 2 obs

● 2026-09-18 22:00:48
● 2026-09-28 08:35:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
simplexdev.app	ns3.digitalocean.com, ns1.digitalocean.com, ns2.digitalocean.com	-

✅ Authoritative Response

Server:172.64.53.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplexdev.app (unsigned zone)

⏱️ Timing

Total: 1268ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.197.5.60`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

Mail Server Role

The mail server mail.simplexdev.app processes email for simplexdev.app.

IP Addresses

mail.simplexdev.app resolves to just one IP address, 138.197.5.60.

mail.simplexdev.app - robtex.com