`switch-sendai.org`

DNSSEC	⚠️ Not signed
A	183.90.229.242^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
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	`mail.switch-sendai.org` ⭐
		A	183.90.228.6^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
			PTR	`sv1105.xserver.jp`
TXT	`djp9tvt7rdn441skfq0965wcms4nck6z`
TXT	`_9bv8q5pnej2j04fcvx4wgvq4bw8q9t9`
TXT	`v=spf1 +a:sv1105.xserver.jp +a:switch-sendai.org +mx include:spf.sender.xserv...`
TXT	`sglksmtg13k9tn2mqv8fr00s42y0g7jn`
TXT	`53mbl2r2zz60jj0c3zm23l6z0l8f9vd1`
TXT	`_xesar0m1nxbu63gltv89o7howll416q`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774404674

Previously MX for

switch-sendai.org

Subdomains

mail.switch-sendai.org

Same first word

switch-sendai.org

DNS History

11 records (7 active, 4 former)

○NS01.dnsv.jp2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 20:38:20
○ 2015-11-05 02:36:34
○ 2026-03-25 02:29:02

○NS02.dnsv.jp2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 20:38:20
○ 2015-11-05 02:36:34
○ 2026-03-25 02:29:02

●NSns1.xserver.jp2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

●NSns2.xserver.jp2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

●NSns3.xserver.jp2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

●NSns4.xserver.jp2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

●NSns5.xserver.jp2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

●MXmail.switch-sendai.org2015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

○MXswitch-sendai.org2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 20:38:20
○ 2015-11-05 02:36:34
○ 2026-03-25 02:29:02

○A101.110.133.1172015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 20:38:20
○ 2015-11-05 02:36:34
○ 2026-03-25 02:29:02

●A183.90.229.2422015-11-05 → 2026-03-25 · 3 obs

○ 2015-06-27 20:38:20
● 2015-11-05 02:36:34
● 2026-03-25 02:29:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
switch-sendai.org	ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns3.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for switch-sendai.org (unsigned zone)

⏱️ Timing

Total: 2522ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.90.229.242`
NS	5	`ns2.xserver.jp, ns3.xserver.jp...`
MX	1	`mail.switch-sendai.org (pri: 0)`
TXT	6	`_xesar0m1nxbu63gltv89o7howll416q, _9bv8q5pnej2j04fcvx4wgvq4bw8q9t9...`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

Analysis

Hierarchy

The parent of mail.switch-sendai.org is switch-sendai.org.

IP Addresses

switch-sendai.org points to a single IP number: 183.90.229.242.

Name Servers

switch-sendai.org is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

switch-sendai.org shares name servers with other domains at least partially, for instance kaeru-fudousan.co.jp, 1091.co.jp, xn--rov013ba99qwt4a.com, corde.jp and jcdc.co.jp.

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

The mail server for switch-sendai.org is mail.switch-sendai.org.

Host name mail.switch-sendai.org resolves to IP 183.90.228.6.

switch-sendai.org - robtex.com