`sv2018.xserver.jp`

DNSSEC	⚠️ Not signed
A	183.90.246.75^{🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.}
		PTR	`sv2018.xserver.jp`
TXT	`v=spf1 +a:sv2018.xserver.jp include:spf.sender.xserver.jp ~all`

`xserver.jp`

	DNSSEC	⚠️ Not signed
	A	202.226.36.238^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
	NS	`ns1.xserver.jp` ⭐
	NS	`ns2.xserver.jp`
	NS	`ns3.xserver.jp`
	NS	`ns4.xserver.jp` ⚠️ Not in zone NS records
	NS	`ns5.xserver.jp` ⚠️ Not in zone NS records
	MX	`mail.xserver.jp` ⭐
	TXT	`v=spf1 +ip4:202.226.37.0/24 +ip4:210.188.219.20 ~all`
	SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

rank #413878 globally
rank #8207 in the tld
📈 Tranco rank: #2,041

PTR for

75.246.90.183.in-addr.arpa

MX for

grunsound.com

cre-8.jp

neetech.net

DNS History

2 records (1 active, 1 former)

○A183.90.245.192016-12-25 → 2016-12-25 · 3 obs

● 2016-12-25 04:05:06
○ 2026-03-26 23:54:22
○ 2026-07-28 11:51:06

●A183.90.246.752026-03-26 → 2026-07-28 · 3 obs

○ 2016-12-25 04:05:06
● 2026-03-26 23:54:22
● 2026-07-28 11:51:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
xserver.jp	ns1.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns3.xserver.jp...	11 records

✅ Authoritative Response

Server:183.90.224.226

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xserver.jp (unsigned zone)

⏱️ Timing

Total: 823ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.90.246.75`
TXT	1	`v=spf1 +a:sv2018.xserver.jp include:spf.`

📌 Glue Records Collected

Total: 11

In-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

Mail destined for grunsound.com, cre-8.jp and neetech.net is routed through sv2018.xserver.jp.

IP Addresses

sv2018.xserver.jp resolves to just one IP address, 183.90.246.75.

sv2018.xserver.jp - robtex.com