d-open.net - robtex.com

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`d-open.net`

DNSSEC	⚠️ Not signed
A	162.43.120.171^{🇯🇵 XSERVER-AS}
		PTR	`sv14170.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS}
			PTR	`ip-202-226-36-164.defastlink.net`
		A	202.226.36.170^{🇯🇵 XSERVER-AS}
			PTR	`ip-202-226-36-170.defastlink.net`
		A	202.226.36.246^{🇯🇵 XSERVER-AS}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS}
			PTR	`ip-183-90-224-226.defastlink.net`
		A	183.90.224.230^{🇯🇵 XSERVER-AS}
			PTR	`ip-183-90-224-230.defastlink.net`
		A	202.226.39.247^{🇯🇵 XSERVER-AS}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS}
			PTR	`ip-157-112-182-218.defastlink.net`
		A	157.112.182.220^{🇯🇵 XSERVER-AS}
			PTR	`ip-157-112-182-220.defastlink.net`
		A	202.226.37.247^{🇯🇵 XSERVER-AS}
			PTR	`ns5.xserver.jp`
MX	`d-open.net` ⭐
		A	162.43.120.171^{🇯🇵 XSERVER-AS}
			PTR	`sv14170.xserver.jp`
TXT	`v=spf1 +a:sv14170.xserver.jp +a:d-open.net +mx include:spf.sender.xserver.jp ...`
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=1770977950

MX for

d-open.net

Same first word

d-open.net

d-open.ru

d-open.de

Similar names

open-d.net

de-npo.tv

open-d.com

de-npo.net

dp-one.com

de-npo.com

p-node.org

de-npo.org

dp-one.net

dp-one.de

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●NSns2.xserver.jp2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●NSns3.xserver.jp2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●NSns4.xserver.jp2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●NSns5.xserver.jp2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●MXd-open.net2026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

●A162.43.120.1712026-02-15 → 2026-02-15 · 2 obs

● 2026-02-15 05:05:00
● 2026-02-15 19:14:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
d-open.net	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server: 202.226.37.247

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 d-open.net (unsigned zone)

⏱️ Timing

Total: 1333ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.120.171`
NS	5	`ns4.xserver.jp, ns2.xserver.jp...`
MX	1	`d-open.net (pri: 0)`
TXT	1	`v=spf1 +a:sv14170.xserver.jp +a:d-open.n`
SOA	1	`ns1.xserver.jp root.xserver.jp`

AI analysis

For d-open.net, the mail server is d-open.net.

d-open.net points to a single IP number: 162.43.120.171.

other host names for instance fukujinkai.com, tedxtitech.com, device-tips.com, zaitakuiryo-c.com and hasetax.jp share IP numbers with d-open.net.

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

d-open.net at least partially shares name servers with other domains, for instance retainer-clean.com, tech-dr.jp, next-f.jp, incubic.co.jp and aono.biz.

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.

One mail server handles d-open.net.

Host name d-open.net points to IP address 162.43.120.171.