`mail20.smart2j.com`

	DNSSEC	⚠️ Not signed
	A	180.211.74.230^{🇯🇵 Equinix180.211.72.0/21 Bit-isle CIDR-Block (Advertising from TY9-Network)}

`smart2j.com`

	DNSSEC	⚠️ Not signed
	A	153.121.32.11^{🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
	NS	`ns-1623.awsdns-10.co.uk` ⭐
	NS	`ns-1323.awsdns-37.org`
	NS	`ns-413.awsdns-51.com`
	NS	`ns-982.awsdns-58.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`MS=ms91913391`
	TXT	`google-site-verification=SzEonZ-Tnh9tq2xMKUID2bcZX4Gq4OdBsz5QoOO4h_Q`
	TXT	`google-site-verification=ci9b-e05SND2UHzpQhyvWqMCZuhvVwG7PzH`
	TXT	`v=spf1 ip4:153.121.65.252 ip4:52.198.156.199 include:_spf.google.com ~all`
	SOA	`ns-1623.awsdns-10.co.uk`awsdns-hostmaster@amazon.com serial=1

Previously MX for

smart2j.com

Same first word

mail20.de

mail20.chicappa.jp

mail20.ru

mail20.com

Similar names

02mail.co.uk

20mail.it

mail02.gov.cy

02mail.de

mail02.kinghost.net

20mail.com

20mail.ru

02mail.com

DNS History

2 records (1 active, 1 former)

○A180.211.74.2272015-08-14 → 2016-07-08 · 4 obs

● 2015-08-14 06:02:12
● 2016-07-08 17:01:20
○ 2026-03-27 00:07:54
○ 2026-05-13 11:02:02

●A180.211.74.2302026-03-27 → 2026-05-13 · 3 obs

○ 2016-07-08 17:01:20
● 2026-03-27 00:07:54
● 2026-05-13 11:02:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
smart2j.com	ns-413.awsdns-51.com, ns-982.awsdns-58.net, ns-1623.awsdns-10.co.uk, ns-1323.awsdns-37.org	2 records

✅ Authoritative Response

Server:205.251.197.43

NS records: ns-413.awsdns-51.com, ns-982.awsdns-58.net, ns-1623.awsdns-10.co.uk, ns-1323.awsdns-37.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart2j.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.211.74.230`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-413.awsdns-51.com, ns-413.awsdns-51.com)

Analysis

IP Addresses

mail20.smart2j.com resolves to a single IP: 180.211.74.230.

Other host names, for instance mx03.tiara-net.biz, mail.mx04.tiara-net.biz, mail10.smart2j.com, mail.mx01.tiara-net.biz and mx01.tiara-net.biz share IP numbers with mail20.smart2j.com.

mail20.smart2j.com - robtex.com