`second-2.com`

DNSSEC	⚠️ Not signed
A	52.37.165.222^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
		PTR	`ec2-52-37-165-222.us-west-2.compute.amazonaws.com`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`mail.second-2.com` ⭐
		A	112.78.112.11^{🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www1701.sakura.ne.jp`
TXT	`v=spf1 ip4:112.78.112.11 ip4:60.43.191.138 include:ocn.ne.jp include:_spf.biz...`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-04-16 #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=1778395406

PTR for

138.191.43.60.in-addr.arpa

MX for

second-2.com

Same first word

second-2.com

DNS History

17 records (5 active, 12 former)

●NSmaster.dns.ne.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2026-03-17 09:18:12
● 2026-05-10 06:53:26
● 2026-05-10 06:53:28

○NSmwns1.customer.ne.jp2026-03-17 → 2026-03-17 · 4 obs

○ 2020-02-20 15:46:50
● 2026-03-17 09:18:12
○ 2026-05-10 06:53:26
○ 2026-05-10 06:53:28

○NSmwns2.customer.ne.jp2026-03-17 → 2026-03-17 · 4 obs

○ 2020-02-20 15:46:50
● 2026-03-17 09:18:12
○ 2026-05-10 06:53:26
○ 2026-05-10 06:53:28

○NSns-219.dns.jp-e1.cloudn-service.com2016-03-16 → 2020-02-20 · 5 obs

○ 2015-11-27 07:09:32
● 2016-03-16 21:29:54
● 2020-02-20 15:46:50
○ 2026-03-17 09:18:12
○ 2026-05-10 06:53:28

○NSns-220.dns.jp-w1.cloudn-service.com2016-03-16 → 2020-02-20 · 5 obs

○ 2015-11-27 07:09:32
● 2016-03-16 21:29:54
● 2020-02-20 15:46:50
○ 2026-03-17 09:18:12
○ 2026-05-10 06:53:28

○NSns-221.dns.us-e1.cloudn-service.com2016-03-16 → 2020-02-20 · 5 obs

○ 2015-11-27 07:09:32
● 2016-03-16 21:29:54
● 2020-02-20 15:46:50
○ 2026-03-17 09:18:12
○ 2026-05-10 06:53:28

●NSns1.dns.ne.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2026-03-17 09:18:12
● 2026-05-10 06:53:26
● 2026-05-10 06:53:28

○NSns1.secure.net2015-07-23 → 2015-11-27 · 5 obs

○ 2008-03-13 16:28:10
● 2015-07-23 20:40:00
● 2015-11-27 07:09:32
○ 2016-03-16 21:29:54
○ 2026-05-10 06:53:28

●NSns2.dns.ne.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2026-03-17 09:18:12
● 2026-05-10 06:53:26
● 2026-05-10 06:53:28

○NSns2.secure.net2015-07-23 → 2015-11-27 · 5 obs

○ 2008-03-13 16:28:10
● 2015-07-23 20:40:00
● 2015-11-27 07:09:32
○ 2016-03-16 21:29:54
○ 2026-05-10 06:53:28

○MXmail-fwd.wh2.ocn.ne.jp2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 16:28:10
○ 2015-07-23 20:40:00
○ 2026-05-10 06:53:28

●MXmail.second-2.com2026-05-10 → 2026-05-10 · 3 obs

○ 2026-03-17 09:18:12
● 2026-05-10 06:53:26
● 2026-05-10 06:53:28

○MXsecond-2.com2015-07-23 → 2026-03-17 · 5 obs

○ 2008-03-13 16:28:10
● 2015-07-23 20:40:00
● 2026-03-17 09:18:12
○ 2026-05-10 06:53:26
○ 2026-05-10 06:53:28

●A52.37.165.2222026-05-10 → 2026-05-10 · 3 obs

○ 2026-03-17 09:18:12
● 2026-05-10 06:53:26
● 2026-05-10 06:53:28

○A60.43.191.1382026-03-17 → 2026-03-17 · 4 obs

○ 2020-02-20 15:46:50
● 2026-03-17 09:18:12
○ 2026-05-10 06:53:26
○ 2026-05-10 06:53:28

○A60.43.232.892008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 16:28:10
○ 2015-07-23 20:40:00
○ 2026-05-10 06:53:28

○A60.43.235.1462015-07-23 → 2020-02-20 · 5 obs

○ 2008-03-13 16:28:10
● 2015-07-23 20:40:00
● 2020-02-20 15:46:50
○ 2026-03-17 09:18:12
○ 2026-05-10 06:53:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
second-2.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for second-2.com (unsigned zone)

⏱️ Timing

Total: 1064ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.37.165.222`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`mail.second-2.com (pri: 10)`
TXT	1	`v=spf1 ip4:112.78.112.11 ip4:60.43.191.1`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

second-2.com serves as the mail server for second-2.com.

IP Addresses

second-2.com points to a single IP number: 52.37.165.222.

Other host names, for instance g4c.cn, trustvault-app.com, ipx.net, marinepad.com and costhackers.com share IP numbers with second-2.com.

Name Servers

The domain second-2.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

second-2.com shares name servers with other domains at least partially, for instance personnel.or.jp, komayaka.com, tlef.co.jp, iruma-ec.com and est-aroma.com.

Host names with a single IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

The mail server for second-2.com is mail.second-2.com.

Host name mail.second-2.com resolves to IP 112.78.112.11.

second-2.com - robtex.com

second-2.com

com

PTR for

MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`second-2.com`

`com`