`securemail-plus.com`

DNSSEC	⚠️ Not signed
A	202.172.25.53^{🇯🇵 DRNET}
		PTR	`b1002.coreserver.jp`
NS	`ns01.ktk-sol.co.jp` ⭐
		A	133.149.219.22^{🇯🇵 VECTANT}
			PTR	`ns01.ktk-sol.co.jp`
NS	`ns02.ktk-sol.co.jp`
		A	158.179.185.108^{🇯🇵 ORACLE-OCI-31898}
			PTR	`ns02.ktk-sol.co.jp`
MX	`b1002.coreserver.jp` ⭐
		A	202.172.25.53^{🇯🇵 DRNET}
			PTR	`b1002.coreserver.jp`
TXT	`google-site-verification=vUSbia4LV0ZdF6SFA2nCEvMeajvuoTYwD1Czlk8sH-E`
TXT	`v=spf1 include:_spf.ktk-sol.co.jp include:spf.haihaimail.jp +ip4:202.172.25.5...`
SOA	`ns01.ktk-sol.co.jp`postmaster@ns01.ktk-sol.co.jp 2026-02-19 #1

`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=1771291435

Up

mail1224.securemail-plus.com

mbox15.securemail-plus.com

Same first word

securemail-plus.com

DNS History

8 records (4 active, 4 former)

●NSns01.ktk-sol.co.jp2026-02-15 → 2026-02-21 · 3 obs

○ 2017-08-13 20:12:18
● 2026-02-15 17:19:28
● 2026-02-21 14:43:00

●NSns02.ktk-sol.co.jp2026-02-15 → 2026-02-21 · 3 obs

○ 2017-08-13 20:12:18
● 2026-02-15 17:19:28
● 2026-02-21 14:43:00

○NSns1.ktk-sol.co.jp2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 20:12:18
○ 2026-02-15 17:19:28
○ 2026-02-21 14:43:00

○NSns2.ktk-sol.co.jp2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 20:12:18
○ 2026-02-15 17:19:28
○ 2026-02-21 14:43:00

●MXb1002.coreserver.jp2026-02-15 → 2026-02-21 · 3 obs

○ 2017-08-13 20:12:18
● 2026-02-15 17:19:28
● 2026-02-21 14:43:00

○MXmx.ktk-sol.co.jp2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 20:12:18
○ 2026-02-15 17:19:28
○ 2026-02-21 14:43:00

○A122.219.254.2052017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 20:12:18
○ 2026-02-15 17:19:28
○ 2026-02-21 14:43:00

●A202.172.25.532026-02-15 → 2026-02-21 · 3 obs

○ 2017-08-13 20:12:18
● 2026-02-15 17:19:28
● 2026-02-21 14:43:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
securemail-plus.com	ns01.ktk-sol.co.jp, ns02.ktk-sol.co.jp	-

✅ Authoritative Response

Server: 158.179.185.108

NS records: ns01.ktk-sol.co.jp, ns02.ktk-sol.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for securemail-plus.com (unsigned zone)

⏱️ Timing

Total: 1126ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.172.25.53`
NS	2	`ns01.ktk-sol.co.jp, ns02.ktk-sol.co.jp`
MX	1	`b1002.coreserver.jp (pri: 10)`
TXT	2	`v=spf1 include:_spf.ktk-sol.co.jp includ, google-site-verification=vUSbia4LV0ZdF6S`
SOA	1	`ns01.ktk-sol.co.jp postmaster.ns01.ktk-s`

AI analysis

securemail-plus.com is a parent of mail1224.securemail-plus.com and mbox15.securemail-plus.com.

securemail-plus.com points to IP number: 202.172.25.53.

Other host names such as mail.cosmotiger.net, g-yue.com, mail.iijan.net, mail.eastcourt.com and www.actmail.net share IPs with securemail-plus.com.

securemail-plus.com is delegated to two name servers: ns01.ktk-sol.co.jp and ns02.ktk-sol.co.jp.

securemail-plus.com shares the same name server setup as nihondenko.com, newron.co.jp, lepro.co.jp, eito-industry.co.jp and pj-one.com.

securemail-plus.com at least partially shares name servers with other domains, for instance accesslife-group.com, kimura-seiki.co.jp, daidocraft.co.jp, nbz.or.jp and 219.149.133.in-addr.arpa.

Host names with a single IP:

ns01.ktk-sol.co.jp points to 133.149.219.22.

ns02.ktk-sol.co.jp points to 158.179.185.108.

securemail-plus.com is handled by a single mail server, b1002.coreserver.jp.

securemail-plus.com shares the same mail server setup as other domains such as nestbowl.com, cg-tyr.com, b1002.coreserver.jp and sappho.jp.

b1002.coreserver.jp points to a single IP: 202.172.25.53.

securemail-plus.com - robtex.com