🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`activelearning.work`

DNSSEC	⚠️ Not signed
A	202.254.236.139^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
		PTR	`sv5138.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	`activelearning.work` ⭐
		A	202.254.236.139^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
			PTR	`sv5138.xserver.jp`
TXT	`v=spf1 +a:sv5138.xserver.jp +a:activelearning.work +mx include:spf.sender.xse...`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`work`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.work` ⭐
	NS	`b.nic.work`
	NS	`c.nic.work`
	NS	`x.nic.work`
	NS	`y.nic.work`
	NS	`z.nic.work`
	SOA	`a.nic.work`admin@tldns.godaddy serial=1791600240

⚠️ On DNS blocklist: spam-tlds

MX for

activelearning.work

Same first word

Similar names

revitacleaning.com

nativeclearing.xyz

learningactive.eu

valienteracing.com

revitacleaning.co.uk

craigvalentine.com

gracevalentini.com

learningactive.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●NSns2.xserver.jp2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●NSns3.xserver.jp2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●NSns4.xserver.jp2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●NSns5.xserver.jp2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●MXactivelearning.work2026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

●A202.254.236.1392026-09-05 → 2026-10-10 · 2 obs

● 2026-09-05 21:58:02
● 2026-10-10 02:49:30

🔍 DNS Trace

Analysis

Mail Server Role

activelearning.work handles its own mail, functioning as its own mail server.

IP Addresses

activelearning.work resolves to just one IP address, 202.254.236.139.

Two other host names, along with kominka-kaerute.com, houkan-saiyou.com and cslbook.com, also share IP numbers with activelearning.work.

Name Servers

activelearning.work delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of activelearning.work's name servers are shared with other domains, for example monf.jp, lena-saito.com, m-npj.net and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.