`mail.optima37.com`

DNSSEC	⚠️ Not signed
A	52.192.115.51^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
		PTR	`www56.ip-mobile.tv`

`optima37.com`

	DNSSEC	⚠️ Not signed
	A	52.192.115.51^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
	NS	`nsc.ip-mobile.tv` ⭐
	NS	`nsd.ip-mobile.tv`
	MX	`mail.optima37.com` ⭐
	TXT	`v=spf1 ip4:122.220.78.80/28 ip4:124.36.84.1/25 ip4:210.248.158.0/24 ip4:52.19...`
	SOA	`nsc.ip-mobile.tv`root@ip-mobile.tv 2016-03-17 #2

Same first word

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DNS History

2 records (1 active, 1 former)

○A210.248.158.562015-05-29 → 2016-01-22 · 4 obs

● 2015-05-29 16:37:50
● 2016-01-22 15:21:44
○ 2016-04-20 04:57:34
○ 2026-04-14 15:48:52

●A52.192.115.512016-04-20 → 2026-04-14 · 3 obs

○ 2016-01-22 15:21:44
● 2016-04-20 04:57:34
● 2026-04-14 15:48:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
optima37.com	nsc.ip-mobile.tv, nsd.ip-mobile.tv	-

✅ Authoritative Response

Server:54.64.58.18

NS records: nsc.ip-mobile.tv, nsd.ip-mobile.tv

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optima37.com (unsigned zone)

⏱️ Timing

Total: 1157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.192.115.51`

Analysis

IP Addresses

mail.optima37.com resolves to one IP number: 52.192.115.51.

Other host names, for instance mail.reborn0418.com, mail.ougimachi.com, mail.hair-cantik.com, mail.salon-de-cassiel.jp and zio197.com share IP numbers with mail.optima37.com.

mail.optima37.com - robtex.com