`opt1st.com`

DNSSEC	⚠️ Not signed
A	52.1.67.205^{🇺🇸 Amazon52.0.0.0/15 EC2 IAD prefix}
		PTR	`ec2-52-1-67-205.compute-1.amazonaws.com`
NS	`pdns11.domaincontrol.com` ⭐
		A	2603:5:21f2::37^{🇺🇸 GODADDY-DNS2603:5:21f0::/44}
			PTR	`pdns11.domaincontrol.com`
		A	97.74.111.55^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns11.domaincontrol.com`
NS	`pdns12.domaincontrol.com`
		A	2603:5:22f2::37^{🇺🇸 GODADDY-DNS2603:5:22f0::/44}
			PTR	`pdns12.domaincontrol.com`
		A	173.201.79.55^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns12.domaincontrol.com`
TXT	`google-site-verification=0Z5s1patniAny0caWxQNAaJo7s8VlmsagBCpIWjEbgc`
SOA	`pdns11.domaincontrol.com`dns@jomax.net 2018-11-20 #0

`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=1778566596

Previously MX for

opt1st.com

Same first word

opt1st.com

Similar names

tstop1.cc

1stopt.com

1sttop.com

tstop1.co

DNS History

18 records (3 active, 15 former)

○NSns1.dreamhost.com2017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○NSns1.vps.optfirst.com2016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-21 23:02:50
● 2016-07-16 06:18:28
○ 2017-03-31 15:19:14
○ 2026-05-12 06:26:14

○NSns2.dreamhost.com2017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○NSns2.vps.optfirst.com2016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-21 23:02:50
● 2016-07-16 06:18:28
○ 2017-03-31 15:19:14
○ 2026-05-12 06:26:14

○NSns3.dreamhost.com2017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○NSpdns03.domaincontrol.com2015-05-29 → 2016-03-21 · 4 obs

● 2015-05-29 13:27:06
● 2016-03-21 23:02:50
○ 2016-07-16 06:18:28
○ 2026-05-12 06:26:14

○NSpdns04.domaincontrol.com2015-05-29 → 2016-03-21 · 4 obs

● 2015-05-29 13:27:06
● 2016-03-21 23:02:50
○ 2016-07-16 06:18:28
○ 2026-05-12 06:26:14

●NSpdns11.domaincontrol.com2026-05-11 → 2026-05-12 · 3 obs

○ 2017-03-31 15:19:14
● 2026-05-11 18:59:12
● 2026-05-12 06:26:14

●NSpdns12.domaincontrol.com2026-05-11 → 2026-05-12 · 3 obs

○ 2017-03-31 15:19:14
● 2026-05-11 18:59:12
● 2026-05-12 06:26:14

○MXmailstore1.secureserver.net2015-05-29 → 2016-03-21 · 4 obs

● 2015-05-29 13:27:06
● 2016-03-21 23:02:50
○ 2016-07-16 06:18:28
○ 2026-05-12 06:26:14

○MXopt1st.com2016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-21 23:02:50
● 2016-07-16 06:18:28
○ 2017-03-31 15:19:14
○ 2026-05-12 06:26:14

○MXsmtp.secureserver.net2015-05-29 → 2016-03-21 · 4 obs

● 2015-05-29 13:27:06
● 2016-03-21 23:02:50
○ 2016-07-16 06:18:28
○ 2026-05-12 06:26:14

○MXvade-in1.mail.dreamhost.com2017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○MXvade-in2.mail.dreamhost.com2017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○A173.236.139.872017-03-31 → 2017-03-31 · 4 obs

○ 2016-07-16 06:18:28
● 2017-03-31 15:19:14
○ 2026-05-11 18:59:12
○ 2026-05-12 06:26:14

○A50.63.202.112015-05-29 → 2016-03-21 · 4 obs

● 2015-05-29 13:27:06
● 2016-03-21 23:02:50
○ 2016-07-16 06:18:28
○ 2026-05-12 06:26:14

●A52.1.67.2052026-05-11 → 2026-05-12 · 3 obs

○ 2017-03-31 15:19:14
● 2026-05-11 18:59:12
● 2026-05-12 06:26:14

○A65.75.135.1952016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-21 23:02:50
● 2016-07-16 06:18:28
○ 2017-03-31 15:19:14
○ 2026-05-12 06:26:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
opt1st.com	pdns11.domaincontrol.com, pdns12.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.111.55

NS records: pdns11.domaincontrol.com, pdns12.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opt1st.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.1.67.205`
NS	2	`pdns11.domaincontrol.com, pdns12.domaincontrol.com`
TXT	1	`google-site-verification=0Z5s1patniAny0c`
SOA	1	`pdns11.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns11.domaincontrol.com, pdns11.domaincontrol.com, pdns12.domaincontrol.com...)

Analysis

IP Addresses

opt1st.com resolves to one IP number: 52.1.67.205.

Name Servers

opt1st.com's delegation uses two name servers: pdns11.domaincontrol.com and pdns12.domaincontrol.com.

opt1st.com uses the same name server setup as other domains, such as eveya.com, oculistadasavenidas.pt, systems.limited, fischerrestore.com and touchpros.com.

opt1st.com at least partially shares name servers with other domains, for example hunani.com.

Host names with two IPs:

pdns11.domaincontrol.com points to 2603:5:21f2::37 and 97.74.111.55

pdns12.domaincontrol.com points to 2603:5:22f2::37 and 173.201.79.55

opt1st.com - robtex.com

opt1st.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`opt1st.com`

`com`