`musclescience.net`

DNSSEC	⚠️ Not signed
A	183.181.84.75^{🇯🇵 XSERVER-AS183.181.84.0/22 XSERVER Inc.}
		PTR	`sv8554.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	`musclescience.net` ⭐
		A	183.181.84.75^{🇯🇵 XSERVER-AS183.181.84.0/22 XSERVER Inc.}
			PTR	`sv8554.xserver.jp`
TXT	`google-site-verification=O3el394y_iIBN0dFS67K0KvIzoDPK_XzM6JagKEFjR4`
TXT	`v=spf1 +a:sv8554.xserver.jp +a:musclescience.net +mx include:spf.sender.xserv...`
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=1774777907

MX for

musclescience.net

Same first word

musclescience.net

DNS History

9 records (7 active, 2 former)

●NSns1.xserver.jp2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●NSns2.xserver.jp2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●NSns3.xserver.jp2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●NSns4.xserver.jp2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●NSns5.xserver.jp2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●MXmusclescience.net2026-02-21 → 2026-03-29 · 2 obs

● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

●A183.181.84.752026-02-21 → 2026-03-29 · 3 obs

○ 2017-06-11 13:09:36
● 2026-02-21 02:04:24
● 2026-03-29 09:55:20

○A207.148.248.1432015-10-21 → 2017-06-11 · 5 obs

○ 2015-05-13 06:53:42
● 2015-10-21 19:58:56
● 2017-06-11 13:09:36
○ 2026-02-21 02:04:24
○ 2026-03-29 09:55:20

○A66.151.181.492015-05-13 → 2015-05-13 · 3 obs

● 2015-05-13 06:53:42
○ 2015-10-21 19:58:56
○ 2026-03-29 09:55:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
musclescience.net	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)

No DS record for musclescience.net (unsigned zone)

⏱️ Timing

Total: 1065ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.84.75`
NS	5	`ns4.xserver.jp, ns3.xserver.jp...`
MX	1	`musclescience.net (pri: 0)`
TXT	2	`v=spf1 +a:sv8554.xserver.jp +a:musclesci, google-site-verification=O3el394y_iIBN0d`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

musclescience.net serves as the mail server for musclescience.net.

IP Addresses

musclescience.net points to a single IP number: 183.181.84.75.

Other host names, for instance milley.jp, gone.co.jp, sv8554.xserver.jp, heiwacorp.com and pppnm2575.kanagawa-ip.dti.ne.jp share IP numbers with musclescience.net.

Name Servers

musclescience.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

musclescience.net at least partially shares name servers with other domains, for instance mediator-cmn.co.jp, kanonmi.com, gominavi.com, laughtale-pirates.com and whako.com.

Host names with three IP numbers:

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

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

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

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26

ns3.xserver.jp points to: 202.226.36.247

Mail Servers

A single mail server handles musclescience.net.

musclescience.net points to a single IP: 183.181.84.75.

musclescience.net - robtex.com