`opt1.optimizer.co.jp`

DNSSEC

⚠️ Not signed

`optimizer.co.jp`

	DNSSEC	⚠️ Not signed
	A	49.212.207.203^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
	NS	`01.dnsv.jp` ⭐
	NS	`02.dnsv.jp`
	NS	`03.dnsv.jp`
	NS	`04.dnsv.jp`
	MX	`dmail.kagoya.net` ⭐
	MX	`mail.optimizer.co.jp`⁽³⁰⁾
	MX	`asset.optimizer.co.jp`⁽⁴⁰⁾
	MX	`ms60358059.msv1.invalid`⁽⁵⁰⁾
	TXT	`v=spf1 include:kagoya.net a:www134b.sakura.ne.jp +ip4:124.35.137.163 +ip4:219...`
	SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1757390806

WOT: SAFE (60/100)
WOT: SAFE (61/100)

Previously NS for

Same first word

opt1.me

opt1.net

opt1.jp

opt1.com

opt1.ru

Similar names

top1.me

1top.com

top1.ai

top1.pl

1top.com.ua

1pot.com

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1opt.com.ua

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top1.pro

1opt.info

top1.tv

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top1.org

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p1ot.com

1pto.com

1top.club

top1.ro

p1to.kim

top1.immo

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1top.net

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top1.net

top1.sakura.ne.jp

top1.asia

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1top.it

top1.money

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1top.by

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p1to.com

1top.de

DNS History

1 record (0 active, 1 former)

○A59.106.165.2062015-07-15 → 2016-12-27 · 4 obs

● 2015-07-15 07:19:30
● 2016-12-27 18:45:18
○ 2026-04-13 18:51:26
○ 2026-04-13 18:51:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
optimizer.co.jp	02.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 02.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizer.co.jp (unsigned zone)

⏱️ Timing

Total: 749ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

opt1.optimizer.co.jp - robtex.com