4strodev.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`4strodev.com`

DNSSEC	⚠️ Not signed
A	164.90.220.10^{🇩🇪 DIGITALOCEAN164.90.208.0/20 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
TXT	`protonmail-verification=d38fa7ce236fc0a581049d2eedd0a8635347cbbf`
SOA	`ns1.digitalocean.com`hostmaster@4strodev.com serial=0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1793012716

Same first word

4strodev.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSns1.digitalocean.com2026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

●NSns2.digitalocean.com2026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

●NSns3.digitalocean.com2026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

●MXmail.protonmail.ch2026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

●MXmailsec.protonmail.ch2026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

●A164.90.220.102026-09-19 → 2026-10-26 · 2 obs

● 2026-09-19 11:52:56
● 2026-10-26 11:21:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
4strodev.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.49.209

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4strodev.com (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`164.90.220.10`
NS	3	`ns2.digitalocean.com, ns3.digitalocean.com...`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`v=spf1 include:_spf.protonmail.ch ~all, protonmail-verification=d38fa7ce236fc0a5`
SOA	1	`ns1.digitalocean.com hostmaster.4strodev`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

4strodev.com resolves to one IP address: 164.90.220.10.

Name Servers

4strodev.com is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

There is at least partial name server overlap between 4strodev.com and other domains — diagro.be, aasecurity-em.co.uk, basic-ingredients.com.ua and two more among them.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each resolve to two IP addresses: ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

Mail for 4strodev.com is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

4strodev.com uses an identical mail server configuration to several other domains — among them guletz.de, hzj.ch, ozteafest.com and two more.

4strodev.com has at least partial mail server overlap with other domains such as renedb.nl, bornreadyconversations.co.uk, jmutanen.fi and two more.

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.