efficientstudy.net - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficientstudy.net`

DNSSEC	⚠️ Not signed
A	162.43.120.170^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv14169.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`efficientstudy.net` ⭐
		A	162.43.120.170^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
			PTR	`sv14169.xserver.jp`
TXT	`v=spf1 +a:sv14169.xserver.jp +a:efficientstudy.net +mx include:spf.sender.xse...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`net`

	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=1792154809

MX for

efficientstudy.net

Same first word

efficientstudy.net

Similar names

studyefficient.com

studyefficient.pages.dev

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●NSns2.xserver.jp2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●NSns3.xserver.jp2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●NSns4.xserver.jp2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●NSns5.xserver.jp2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●MXefficientstudy.net2026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

●A162.43.120.1702026-09-30 → 2026-10-16 · 2 obs

● 2026-09-30 11:19:44
● 2026-10-16 12:56:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
efficientstudy.net	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.246

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficientstudy.net (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.120.170`
NS	5	`ns3.xserver.jp, ns4.xserver.jp...`
MX	1	`efficientstudy.net (pri: 0)`
TXT	1	`v=spf1 +a:sv14169.xserver.jp +a:efficien`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

efficientstudy.net is listed as a mail server for itself.

IP Addresses

efficientstudy.net resolves to one IP address: 162.43.120.170.

sarafinchley.com, usefultopic.com, niiza-yuta.com and two other host names share IP numbers with efficientstudy.net.

Name Servers

efficientstudy.net has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

efficientstudy.net partially shares its NS delegation with several other domains, including shinsei-nokan.co.jp, fesu-car.com, yamauchikankouji.co.jp and two others.

These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.

Hostnames that resolve to three IP addresses:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts with just one IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

Mail for efficientstudy.net is handled by one mail server — efficientstudy.net.

efficientstudy.net directs to just one IP number, 162.43.120.170.