flatnorm.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flatnorm.dev`

DNSSEC	⚠️ Not signed
A	202.254.236.49^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
		PTR	`sv5048.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.}
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	`flatnorm.dev` ⭐
		A	202.254.236.49^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
			PTR	`sv5048.xserver.jp`
TXT	`v=spf1 +a:sv5048.xserver.jp +a:flatnorm.dev +mx include:spf.sender.xserver.jp...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

MX for

flatnorm.dev

Same first word

flatnorm.dev

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●NSns2.xserver.jp2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●NSns3.xserver.jp2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●NSns4.xserver.jp2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●NSns5.xserver.jp2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●MXflatnorm.dev2026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

●A202.254.236.492026-08-18 → 2026-08-29 · 2 obs

● 2026-08-18 22:12:08
● 2026-08-29 02:00:30

🔍 DNS Trace

Analysis

Mail Server Role

flatnorm.dev serves as a mail server for flatnorm.dev.

IP Addresses

flatnorm.dev has exactly one IP address — 202.254.236.49.

marubouro.co.jp, metricsjapan.com, yamatojidousya.com plus two other host names have IP numbers in common with flatnorm.dev.

Name Servers

Five name servers handle delegation for flatnorm.dev: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between flatnorm.dev and other domains — aoi-consulting.com, checkbox.jp, yoyo7.net and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

flatnorm.dev uses exactly one mail server, which is flatnorm.dev.

There is one IP number for flatnorm.dev: 202.254.236.49.