practmath.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`practmath.com`

DNSSEC	⚠️ Not signed
A	183.181.98.96^{🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.}
		PTR	`sv6095.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}
			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	`practmath.com` ⭐
		A	183.181.98.96^{🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.}
			PTR	`sv6095.xserver.jp`
TXT	`v=spf1 +a:sv6095.xserver.jp +a:practmath.com +mx include:spf.sender.xserver.j...`
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=1793893081

MX for

practmath.com

Same first word

practmath.com

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-10-05 → 2026-11-05 · 2 obs

● 2026-10-05 05:30:10
● 2026-11-05 15:51:38

●NSns2.xserver.jp2026-10-05 → 2026-11-05 · 2 obs

● 2026-10-05 05:30:10
● 2026-11-05 15:51:38

●NSns3.xserver.jp2026-10-05 → 2026-11-05 · 2 obs

● 2026-10-05 05:30:10
● 2026-11-05 15:51:38

●NSns4.xserver.jp2026-10-05 → 2026-11-05 · 2 obs

● 2026-10-05 05:30:10
● 2026-11-05 15:51:38

●NSns5.xserver.jp2026-10-05 → 2026-11-05 · 2 obs

● 2026-10-05 05:30:10
● 2026-11-05 15:51:38

●MXpractmath.com2026-10-05 → 2026-11-05 · 4 obs

● 2026-10-05 05:30:10
○ 2026-10-12 17:11:54
● 2026-10-31 14:00:00
● 2026-11-05 15:51:38

●A183.181.98.962026-10-05 → 2026-11-05 · 4 obs

● 2026-10-05 05:30:10
○ 2026-10-12 17:11:54
● 2026-10-31 14:00:00
● 2026-11-05 15:51:38

🔍 DNS Trace

Analysis

Mail Server Role

The MX record for practmath.com points back to practmath.com — it is its own mail server.

IP Addresses

practmath.com directs to one IP number, which is 183.181.98.96.

Among the host names that share IP numbers with practmath.com are pppnm1096.chiba-ip.dti.ne.jp, matsu-spo.co.jp, rppm.jp and two others.

Name Servers

The authoritative name servers for practmath.com are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

practmath.com partially shares its NS delegation with several other domains, including bespeak.co.jp, khrknk.com, hiromitsuboi.com and two others.

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

Hosts with three IP address records:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

The MX record for practmath.com points to a single mail server: practmath.com.

practmath.com has exactly one IP number: 183.181.98.96.