`circleoptics.com`

DNSSEC	⚠️ Not signed
A	35.212.124.5^{🇺🇸 Google35.212.0.0/17}
		PTR	`5.124.212.35.bc.googleusercontent.com`
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`circleoptics.mail.protection.office365.us` ⭐
		A	2001:489a:2202:4::10^{🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal}
			PTR	`mail-bn3usg020010.inbound.protection.outlook.com`
		A	2001:489a:2202:5::10^{🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal}
			PTR	`mail-cy1usg020010.inbound.protection.outlook.com`
		A	23.103.199.138^{🇺🇸 Microsoft23.103.128.0/17 MICROSOFT}
			PTR	`mail-bn3usg020138.inbound.protection.outlook.com`
		A	23.103.199.170^{🇺🇸 Microsoft23.103.128.0/17 MICROSOFT}
			PTR	`mail-cy1usg020170.inbound.protection.outlook.com`
TXT	`MS=ms67192410`
TXT	`apple-domain-verification=gYQXfipXy63eNTUW`
TXT	`v=spf1 include:_spf.mlsend.com include:_spf.mlsend.com include:spf.protection...`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1689362396

`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=1774411172

Same first word

circleoptics.com

DNS History

16 records (4 active, 12 former)

●NSdns1.registrar-servers.com2015-07-12 → 2026-03-25 · 2 obs

● 2015-07-12 19:49:48
● 2026-03-25 04:04:36

●NSdns2.registrar-servers.com2015-07-12 → 2026-03-25 · 2 obs

● 2015-07-12 19:49:48
● 2026-03-25 04:04:36

○NSdns3.registrar-servers.com2015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

○NSdns4.registrar-servers.com2015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

○NSdns5.registrar-servers.com2015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

○MXalt1.aspmx.l.google.com2016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

○MXalt2.aspmx.l.google.com2016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

○MXaspmx.l.google.com2016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

○MXaspmx2.googlemail.com2016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

○MXaspmx3.googlemail.com2016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

●MXcircleoptics.mail.protection.office365.us2026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-05 16:58:56
● 2026-02-19 11:42:40
● 2026-03-25 04:04:36

○MXmx1.privateemail.com2015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

○MXmx2.privateemail.com2015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

○A162.255.119.2482016-11-01 → 2017-06-05 · 5 obs

○ 2016-09-27 17:02:04
● 2016-11-01 22:19:46
● 2017-06-05 16:58:56
○ 2026-02-19 11:42:40
○ 2026-03-25 04:04:36

○A192.64.119.1772015-07-12 → 2016-09-27 · 4 obs

● 2015-07-12 19:49:48
● 2016-09-27 17:02:04
○ 2016-11-01 22:19:46
○ 2026-03-25 04:04:36

●A35.212.124.52026-02-19 → 2026-03-25 · 3 obs

○ 2017-06-05 16:58:56
● 2026-02-19 11:42:40
● 2026-03-25 04:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
circleoptics.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circleoptics.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.212.124.5`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	1	`circleoptics.mail.protection.office365.u`
TXT	3	`MS=ms67192410, apple-domain-verification=gYQXfipXy63eNT...`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

circleoptics.com points to a single IP: 35.212.124.5.

Other host names, for instance mail.jimsbugcenter.com, mail.idahobmwriders.org, bmhosting.net, krfryesolutions.com and wip3.asdlib.org share IP numbers with circleoptics.com.

Name Servers

circleoptics.com's delegation is to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

circleoptics.com shares the same name server configuration as other domains, such as planetphotonics.com, herazoom3.com, employmentlawhelp.co.uk, canadabakingsupplies.ca and classicalmusiconly.com.

circleoptics.com at least partially shares its name servers with other domains, for instance low.center, stevesloan.org, kingwoodpowerwash.com, beatiesinbikini.top and knakk.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers: dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200

Mail Servers

circleoptics.com is served by a single mail server, circleoptics.mail.protection.office365.us.

circleoptics.mail.protection.office365.us resolves to four IPs: 2001:489a:2202:4::10, 2001:489a:2202:5::10, 23.103.199.138 and 23.103.199.170.

circleoptics.com - robtex.com