`next-letter.com`

DNSSEC	⚠️ Not signed
A	183.90.250.40^{🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.}
		PTR	`sv1339.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	`next-letter.com` ⭐
		A	183.90.250.40^{🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.}
			PTR	`sv1339.xserver.jp`
TXT	`v=spf1 +a:sv1339.xserver.jp +a:next-letter.com +mx include:spf.sender.xserver...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`com`

	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=1775436037

MX for

next-letter.com

Subdomains

ns1.next-letter.com

com.next-letter.com

Same first word

next-letter.com

DNS History

29 records (7 active, 22 former)

○NSns1.next-letter.com2015-06-04 → 2015-10-28 · 4 obs

● 2015-06-04 10:09:02
● 2015-10-28 00:49:30
○ 2015-12-31 21:30:54
○ 2026-04-06 01:10:54

○NSns1.rrpproxy.net2015-12-31 → 2016-09-09 · 5 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

●NSns1.xserver.jp2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

○NSns2.next-letter.com2015-06-04 → 2015-10-28 · 4 obs

● 2015-06-04 10:09:02
● 2015-10-28 00:49:30
○ 2015-12-31 21:30:54
○ 2026-04-06 01:10:54

○NSns2.rrpproxy.net2015-12-31 → 2016-09-09 · 5 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

●NSns2.xserver.jp2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

○NSns3.rrpproxy.net2015-12-31 → 2016-09-09 · 5 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

●NSns3.xserver.jp2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

●NSns4.xserver.jp2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

●NSns5.xserver.jp2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

○MXmail.next-letter.com2016-04-01 → 2016-09-09 · 5 obs

○ 2015-12-31 21:30:54
● 2016-04-01 05:07:22
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

○MXmail.next-letter.com.next-letter.com2015-06-04 → 2015-10-28 · 4 obs

● 2015-06-04 10:09:02
● 2015-10-28 00:49:30
○ 2015-12-31 21:30:54
○ 2026-04-06 01:10:54

○MXmail1.next-letter.com2015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

○MXmail2.next-letter.com2015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

○MXmail2.next-letter.com.next-letter.com2015-06-04 → 2015-10-28 · 4 obs

● 2015-06-04 10:09:02
● 2015-10-28 00:49:30
○ 2015-12-31 21:30:54
○ 2026-04-06 01:10:54

○MXmail3.next-letter.com2015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

●MXnext-letter.com2026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

○A178.157.79.132015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

○A178.157.94.92016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-31 21:30:54
● 2016-04-01 05:07:22
○ 2016-09-09 03:09:52
○ 2026-04-06 01:10:54

●A183.90.250.402026-03-28 → 2026-04-06 · 3 obs

○ 2017-03-24 08:20:14
● 2026-03-28 07:48:06
● 2026-04-06 01:10:54

○A188.119.129.1162015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-04 10:09:02
● 2015-10-28 00:49:30
○ 2015-12-31 21:30:54
○ 2026-04-06 01:10:54

○A188.240.43.902015-06-04 → 2015-06-04 · 3 obs

● 2015-06-04 10:09:02
○ 2026-03-28 07:48:06
○ 2026-04-06 01:10:54

○A46.108.58.352016-09-09 → 2016-09-09 · 4 obs

○ 2016-04-01 05:07:22
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

○A77.93.204.2322015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

○A77.93.204.2362016-09-09 → 2016-09-09 · 4 obs

○ 2016-04-01 05:07:22
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

○A83.167.236.302016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-31 21:30:54
● 2016-04-01 05:07:22
○ 2016-09-09 03:09:52
○ 2026-04-06 01:10:54

○A85.204.146.912015-06-04 → 2015-06-04 · 3 obs

● 2015-06-04 10:09:02
○ 2015-10-28 00:49:30
○ 2026-04-06 01:10:54

○A89.35.134.1392015-12-31 → 2015-12-31 · 4 obs

○ 2015-10-28 00:49:30
● 2015-12-31 21:30:54
○ 2016-04-01 05:07:22
○ 2026-04-06 01:10:54

○A89.35.134.2092016-04-01 → 2016-09-09 · 5 obs

○ 2015-12-31 21:30:54
● 2016-04-01 05:07:22
● 2016-09-09 03:09:52
○ 2017-03-24 08:20:14
○ 2026-04-06 01:10:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
next-letter.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.164

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 next-letter.com (unsigned zone)

⏱️ Timing

Total: 967ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.90.250.40`
NS	5	`ns5.xserver.jp, ns2.xserver.jp...`
MX	1	`next-letter.com (pri: 0)`
TXT	1	`v=spf1 +a:sv1339.xserver.jp +a:next-lett`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

next-letter.com is parent of ns1.next-letter.com and com.next-letter.com.

Mail Server Role

next-letter.com serves as the mail server for next-letter.com.

IP Addresses

next-letter.com resolves to a single IP address: 183.90.250.40.

Other host names including taniden.com, stelladia.club, ns.icci.or.jp, littlemoon.co.jp and myscoutagent.com share IP numbers with next-letter.com.

Name Servers

next-letter.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

next-letter.com at least partially shares name servers with other domains, including gigas-seafood.jp, okaidoku.net, xn--u9jxj9b3c0919dsjj.com, real-start.com and heartnail.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

A single mail server handles next-letter.com.

next-letter.com points to a single IP: 183.90.250.40.

next-letter.com - robtex.com

next-letter.com

com

MX for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`next-letter.com`

`com`