sudo.study - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sudo.study`

DNSSEC	⚠️ Not signed
A	80.209.225.1^{🇱🇹 Interneto-vizija80.209.224.0/20 InternetoVizija}
		PTR	`5m9u.l.time4vps.cloud`
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1777202162

`study`

	DNSSEC	⚠️ Not signed
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1790301936

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Previous names

Next names

DNS History

8 records (8 active, 0 former)

●NSdns1.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●NSdns2.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●MXeforward1.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●MXeforward2.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●MXeforward3.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●MXeforward4.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●MXeforward5.registrar-servers.com2026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

●A80.209.225.12026-09-05 → 2026-09-25 · 2 obs

● 2026-09-05 21:58:22
● 2026-09-25 04:46:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	z.nic.study, x.nic.study, b.nic.study, y.nic.study...	12 records
sudo.study	dns2.registrar-servers.com, dns1.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.133.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sudo.study (unsigned zone)

⏱️ Timing

Total: 2935ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.209.225.1`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.study, z.nic.study, x.nic.study...)

Analysis

IP Addresses

sudo.study has exactly one IP address — 80.209.225.1.

Other host names, among them erp-sudan.online and foodo.pro, have IP numbers in common with sudo.study.

Name Servers

sudo.study uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.

The name server configuration of sudo.study is shared with other domains, for instance robert-sibbald.co.uk, dfbsupply.store, cobabola.bond and two others.

At least some of sudo.study's name servers are shared with other domains, for example lejardindemariejo.ca and bitcoinq.com.

The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

sudo.study has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

At least some of the mail servers used by sudo.study are shared with other domains: cosmicvalleycards.com, aultorg.com, productive.ink and two others among them.

It is common to find these mail servers used together with the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.

Host names resolving to a single IP address:

eforward1.registrar-servers.com has the IP address 162.255.118.51.

eforward2.registrar-servers.com has the IP address 162.255.118.52.

eforward3.registrar-servers.com has the IP address 162.255.118.51.

eforward4.registrar-servers.com has the IP address 162.255.118.52.

eforward5.registrar-servers.com has the IP address 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

Both eforward2.registrar-servers.com and eforward4.registrar-servers.com resolve to 162.255.118.52 IP addresses each.