🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`study-labnote.com`

DNSSEC	⚠️ Not signed
A	85.131.213.154^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16828.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164
		A	202.226.36.170
		A	202.226.36.246
NS	`ns2.xserver.jp`
		A	35.72.43.26^{Amazon35.72.0.0/13}
NS	`ns3.xserver.jp`
		A	202.226.36.247
NS	`ns4.xserver.jp`
		A	183.90.224.226
		A	183.90.224.230
		A	202.226.39.247
NS	`ns5.xserver.jp`
		A	157.112.182.218
		A	157.112.182.220
		A	202.226.37.247
MX	`study-labnote.com` ⭐
		A	85.131.213.154^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
			PTR	`sv16828.xserver.jp`
TXT	`v=spf1 +a:sv16828.xserver.jp +a:study-labnote.com +mx include:spf.sender.xser...`
SOA	`ns1.xserver.jp`root@xserver.jp 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=1793858266

MX for

study-labnote.com

Same first word

study-labnote.com

Similar names

studylab-note.jp

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-08-31 → 2026-11-05 · 2 obs

● 2026-08-31 10:03:32
● 2026-11-05 06:17:48

●NSns2.xserver.jp2026-08-31 → 2026-11-05 · 2 obs

● 2026-08-31 10:03:32
● 2026-11-05 06:17:48

●NSns3.xserver.jp2026-08-31 → 2026-11-05 · 2 obs

● 2026-08-31 10:03:32
● 2026-11-05 06:17:48

●NSns4.xserver.jp2026-08-31 → 2026-11-05 · 2 obs

● 2026-08-31 10:03:32
● 2026-11-05 06:17:48

●NSns5.xserver.jp2026-08-31 → 2026-11-05 · 2 obs

● 2026-08-31 10:03:32
● 2026-11-05 06:17:48

●MXstudy-labnote.com2026-08-31 → 2026-11-05 · 4 obs

● 2026-08-31 10:03:32
○ 2026-09-13 10:26:22
● 2026-10-03 20:17:02
● 2026-11-05 06:17:48

●A85.131.213.1542026-08-31 → 2026-11-05 · 4 obs

● 2026-08-31 10:03:32
○ 2026-09-13 10:26:22
● 2026-10-03 20:17:02
● 2026-11-05 06:17:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
study-labnote.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.213.154`
NS	5	`ns2.xserver.jp, ns5.xserver.jp...`
MX	1	`study-labnote.com (pri: 0)`
TXT	1	`v=spf1 +a:sv16828.xserver.jp +a:study-la`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

study-labnote.com is listed as a mail server for itself.

IP Addresses

study-labnote.com resolves to one IP address: 85.131.213.154.

doctorone.co.jp, movelab-utsunomiya.com, lim2025.jp and two other host names share IP numbers with study-labnote.com.

Name Servers

study-labnote.com has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

Host names with three IP numbers:

The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts with just one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

Mail for study-labnote.com is handled by one mail server — study-labnote.com.

study-labnote.com points to one IP number — 85.131.213.154.

study-labnote.com - robtex.com