`techstrom.org`

DNSSEC	⚠️ Not signed
A	49.212.207.217^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3177.sakura.ne.jp`
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	`gdns1.interlink.or.jp` ⚠️ Not in zone NS records
		A	203.141.128.80^{🇯🇵 InfoSphere203.141.128.0/19 INTERLINK}
			PTR	`gdns1.interlink.or.jp`
NS	`gdns2.interlink.or.jp` ⚠️ Not in zone NS records
		A	163.43.158.165^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
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	`techstrom.org` ⭐
		A	49.212.207.217^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3177.sakura.ne.jp`
TXT	`v=spf1 a:www3177.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2023-03-07 #16

`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=1783959686

WOT: SAFE (60/100)

Previously MX for

techstrom.org

Subdomains

mail.techstrom.org

tower.techstrom.org

www.techstrom.org

Same first word

techstrom.com

techstrom.org

Similar names

DNS History

10 records (7 active, 3 former)

●NSgdns1.interlink.or.jp2015-06-20 → 2026-07-13 · 2 obs

● 2015-06-20 06:44:20
● 2026-07-13 16:55:16

●NSgdns2.interlink.or.jp2015-06-20 → 2026-07-13 · 2 obs

● 2015-06-20 06:44:20
● 2026-07-13 16:55:16

●NSmaster.dns.ne.jp2026-03-12 → 2026-07-13 · 10 obs

○ 2015-06-20 06:44:20
● 2026-03-12 07:27:24
● 2026-03-18 05:11:26
○ 2026-03-26 00:49:28
● 2026-03-26 21:01:48
● 2026-03-31 08:11:42
○ 2026-04-17 03:43:40
● 2026-06-07 08:13:26
○ 2026-06-11 04:28:12
● 2026-07-13 16:55:16

●NSns1.dns.ne.jp2026-03-12 → 2026-07-13 · 3 obs

○ 2015-06-20 06:44:20
● 2026-03-12 07:27:24
● 2026-07-13 16:55:16

●NSns2.dns.ne.jp2026-03-12 → 2026-07-13 · 3 obs

○ 2015-06-20 06:44:20
● 2026-03-12 07:27:24
● 2026-07-13 16:55:16

○MXmail.techstrom.org2015-06-20 → 2026-06-22 · 10 obs

● 2015-06-20 06:44:20
● 2026-03-12 07:27:24
○ 2026-03-14 13:08:52
○ 2026-03-18 05:11:26
● 2026-03-26 00:49:28
● 2026-04-17 03:43:40
○ 2026-06-07 08:13:26
○ 2026-06-11 04:28:12
● 2026-06-22 15:47:38
○ 2026-07-13 16:55:16

●MXtechstrom.org2026-03-14 → 2026-07-13 · 8 obs

○ 2026-03-12 07:27:24
● 2026-03-14 13:08:52
● 2026-03-18 05:11:26
○ 2026-03-26 00:49:28
○ 2026-04-17 03:43:40
● 2026-06-07 08:13:26
○ 2026-06-11 04:28:12
● 2026-07-13 16:55:16

○A157.14.139.652015-11-01 → 2026-03-26 · 9 obs

○ 2015-06-20 06:44:20
● 2015-11-01 09:08:34
● 2017-04-18 15:55:42
○ 2026-03-12 07:27:24
○ 2026-03-18 05:11:26
● 2026-03-26 00:49:28
● 2026-03-26 21:01:48
○ 2026-03-27 05:53:44
○ 2026-07-13 16:55:16

●A49.212.207.2172026-03-12 → 2026-07-13 · 10 obs

○ 2017-04-18 15:55:42
● 2026-03-12 07:27:24
● 2026-03-18 05:11:26
○ 2026-03-26 00:49:28
○ 2026-03-26 21:01:48
● 2026-03-27 05:53:44
● 2026-06-07 08:13:26
○ 2026-06-11 04:28:12
● 2026-06-22 15:47:38
● 2026-07-13 16:55:16

○A61.206.112.2152015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 06:44:20
○ 2015-11-01 09:08:34
○ 2026-07-13 16:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
techstrom.org	ns2.dns.ne.jp, gdns2.interlink.or.jp, ns1.dns.ne.jp, gdns1.interlink.or.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns2.dns.ne.jp, gdns2.interlink.or.jp, ns1.dns.ne.jp, gdns1.interlink.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techstrom.org (unsigned zone)

⏱️ Timing

Total: 1971ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.207.217`
NS	2	`gdns1.interlink.or.jp, gdns2.interlink.or.jp`
MX	1	`mail.techstrom.org (pri: 10)`
TXT	1	`v=spf1 a:www3177.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Hierarchy

techstrom.org is the parent domain of mail.techstrom.org, tower.techstrom.org and www.techstrom.org.

IP Addresses

techstrom.org points to a single IP number: 49.212.207.217.

Additional host names — writing-sun.com, favofavo.sakura.ne.jp, mx.087.com and two others — share IP numbers with techstrom.org.

Name Servers

Delegation for techstrom.org is to five name servers: master.dns.ne.jp, ns1.dns.ne.jp, ns2.dns.ne.jp and two others.

techstrom.org shares at least some of its name servers with other domains, including enterprise.jpn.org, asiacast.sakura.ne.jp, fukuigokoku.jp and two others.

These name servers are frequently paired with the name servers gdns1.interlink.or.jp and gdns2.interlink.or.jp.

Host names pointing to a single IP address:

master.dns.ne.jp directs to 210.224.172.18.

ns1.dns.ne.jp directs to 61.211.236.1.

ns2.dns.ne.jp directs to 133.167.21.1.

gdns1.interlink.or.jp directs to 203.141.128.80.

gdns2.interlink.or.jp directs to 163.43.158.165.

Mail Servers

techstrom.org has a single mail server: techstrom.org itself.

techstrom.org has exactly one IP number: 49.212.207.217.

techstrom.org - robtex.com

techstrom.org

org