opt-circus.com - dns.ninja

`opt-circus.com`

DNSSEC	⚠️ Not signed
A	52.195.58.145^{🇯🇵 Amazon52.194.0.0/15 EC2 NRT prefix}
		PTR	`ec2-52-195-58-145.ap-northeast-1.compute.amazonaws.com`
A	52.197.15.142^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}
NS	`ns-1285.awsdns-32.org` ⭐
		A	2600:9000:5305:500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1285.awsdns-32.org`
		A	205.251.197.5^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1285.awsdns-32.org`
NS	`ns-1798.awsdns-32.co.uk`
		A	2600:9000:5307:600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1798.awsdns-32.co.uk`
		A	205.251.199.6^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1798.awsdns-32.co.uk`
NS	`ns-968.awsdns-57.net`
		A	2600:9000:5303:c800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-968.awsdns-57.net`
		A	205.251.195.200^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-968.awsdns-57.net`
NS	`ns-98.awsdns-12.com`
		A	2600:9000:5300:6200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-98.awsdns-12.com`
		A	205.251.192.98^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-98.awsdns-12.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=Zl-o7gsJVcOlvtcma5OFNAzCX3m6sPEVFT9Tx810Sd8`
TXT	`v=spf1 include:_spf.google.com include:_spf.cmsod.jp ~all`
SOA	`ns-1285.awsdns-32.org`awsdns-hostmaster@amazon.com serial=1

`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=1786644444

Subdomains

www.opt-circus.com

Same first word

opt-circus.com

DNS History

28 records (11 active, 17 former)

○NSecl-dn(0x736578)01.paris-miki.co.jp2017-11-04 → 2017-11-04 · 4 obs

○ 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○NSmn2dnsv011.paris-miki.co.jp2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 10:10:50
○ 2017-11-04 00:22:52
○ 2026-08-13 18:14:38

●NSns-1285.awsdns-32.org2026-02-20 → 2026-08-13 · 3 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
● 2026-08-13 18:14:38

●NSns-1798.awsdns-32.co.uk2026-02-20 → 2026-08-13 · 3 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
● 2026-08-13 18:14:38

●NSns-968.awsdns-57.net2026-02-20 → 2026-08-13 · 3 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
● 2026-08-13 18:14:38

●NSns-98.awsdns-12.com2026-02-20 → 2026-08-13 · 3 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
● 2026-08-13 18:14:38

○NSns.necidc.net2016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○NSns2.eonet.ne.jp2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 10:10:50
○ 2017-11-04 00:22:52
○ 2026-08-13 18:14:38

○NSns2.necidc.net2016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○NSns3.necidc.net2016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○NSns4.necidc.net2016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○NSns5.necidc.net2016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

●MXalt1.aspmx.l.google.com2016-12-20 → 2026-08-13 · 2 obs

● 2016-12-20 10:10:50
● 2026-08-13 18:14:38

●MXalt2.aspmx.l.google.com2016-12-20 → 2026-08-13 · 2 obs

● 2016-12-20 10:10:50
● 2026-08-13 18:14:38

●MXaspmx.l.google.com2016-12-20 → 2026-08-13 · 2 obs

● 2016-12-20 10:10:50
● 2026-08-13 18:14:38

●MXaspmx2.googlemail.com2016-12-20 → 2026-08-13 · 2 obs

● 2016-12-20 10:10:50
● 2026-08-13 18:14:38

●MXaspmx3.googlemail.com2016-12-20 → 2026-08-13 · 2 obs

● 2016-12-20 10:10:50
● 2026-08-13 18:14:38

○A111.87.78.1952016-12-20 → 2017-11-04 · 4 obs

● 2016-12-20 10:10:50
● 2017-11-04 00:22:52
○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○A18.177.128.542026-02-20 → 2026-02-20 · 4 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
○ 2026-03-30 20:53:06
○ 2026-08-13 18:14:38

○A18.181.178.302026-02-20 → 2026-08-13 · 2 obs

○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

○A18.182.88.892026-04-07 → 2026-04-07 · 3 obs

○ 2026-03-30 20:53:06
● 2026-04-07 23:17:14
○ 2026-08-13 18:14:38

○A3.114.213.572026-02-20 → 2026-02-20 · 4 obs

○ 2017-11-04 00:22:52
● 2026-02-20 12:37:18
○ 2026-03-30 20:53:06
○ 2026-08-13 18:14:38

●A52.195.58.1452026-08-13 → 2026-08-13 · 2 obs

○ 2026-04-07 23:17:14
● 2026-08-13 18:14:38

○A52.196.126.232026-02-20 → 2026-08-13 · 2 obs

○ 2026-02-20 12:37:18
○ 2026-08-13 18:14:38

●A52.197.15.1422026-08-13 → 2026-08-13 · 2 obs

○ 2026-04-07 23:17:14
● 2026-08-13 18:14:38

○A52.69.9.62026-03-30 → 2026-03-30 · 4 obs

○ 2026-02-20 12:37:18
● 2026-03-30 20:53:06
○ 2026-04-07 23:17:14
○ 2026-08-13 18:14:38

○A54.199.87.1512026-03-30 → 2026-03-30 · 4 obs

○ 2026-02-20 12:37:18
● 2026-03-30 20:53:06
○ 2026-04-07 23:17:14
○ 2026-08-13 18:14:38

○A54.92.31.1692026-04-07 → 2026-04-07 · 3 obs

○ 2026-03-30 20:53:06
● 2026-04-07 23:17:14
○ 2026-08-13 18:14:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
opt-circus.com	ns-98.awsdns-12.com, ns-968.awsdns-57.net, ns-1798.awsdns-32.co.uk, ns-1285.awsdns-32.org	2 records

✅ Authoritative Response

Server:205.251.192.98

NS records: ns-98.awsdns-12.com, ns-968.awsdns-57.net, ns-1798.awsdns-32.co.uk, ns-1285.awsdns-32.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opt-circus.com (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.197.15.142, 52.195.58.145`
NS	4	`ns-1285.awsdns-32.org, ns-1798.awsdns-32.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=Zl-o7gsJVcOlvtc, v=spf1 include:_spf.google.com include:_`
SOA	1	`ns-1285.awsdns-32.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-98.awsdns-12.com, ns-98.awsdns-12.com)

Analysis

Hierarchy

www.opt-circus.com is delegated beneath opt-circus.com.

IP Addresses

opt-circus.com has two IP addresses: 52.195.58.145 and 52.197.15.142

Name Servers

Four name servers handle the delegation for opt-circus.com: ns-98.awsdns-12.com, ns-968.awsdns-57.net, ns-1285.awsdns-32.org and ns-1798.awsdns-32.co.uk.

There is at least partial name server overlap between opt-circus.com and other domains — mycalinks.io, aoo.com.mx, gahooa.com and two more among them.

All four hostnames — ns-98.awsdns-12.com, ns-968.awsdns-57.net, ns-1285.awsdns-32.org and ns-1798.awsdns-32.co.uk — resolve to two IP numbers apiece: ns-98.awsdns-12.com to 205.251.192.98 and 2600:9000:5300:6200::1; ns-968.awsdns-57.net to 205.251.195.200 and 2600:9000:5303:c800::1; ns-1285.awsdns-32.org to 205.251.197.5 and 2600:9000:5305:500::1; ns-1798.awsdns-32.co.uk to 205.251.199.6 and 2600:9000:5307:600::1.

Mail Servers

Five mail servers handle opt-circus.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by opt-circus.com are shared with other domains: ns500759.ns500758.ns500759.ns500759.ns500736.ns500698.ns500736.ns500735.ns500735.ns500698.ns500736.ns500698.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com, ns500758.ns500759.ns500698.ns500758.ns500735.ns500698.ns500576.ns500698.ns500698.ns500708.ns500619.ns500698.ns500652.ns500576.trackreceptor.com, ns500734.ns500693.ns500734.ns500699.ns500699.ns500693.ns500734.ns500588.ns500699.ns500699.ns500612.ns500632.ns500588.ns500588.ns500588.dtrkdll.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 172.253.122.27 and 2607:f8b0:4004:c07::1b.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c14::1a IP addresses.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 192.178.234.26 IP addresses.