openptc.com - dns.ninja

`openptc.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`origin.onlydns.com` ⭐
		A	216.239.128.2^{Omnis-anycast216.239.128.0/24 Omnis Anycast Network}
			PTR	`ns1.guardedhost.com`
NS	`ns1.omnis.com`
		A	2607:fe90:8000::2^{Omnis-anycast2607:fe90:8000::/48 Anycast DNS}
			PTR	`ns1.guardedhost.com`
		A	216.239.128.2^{Omnis-anycast216.239.128.0/24 Omnis Anycast Network}
			PTR	`ns1.guardedhost.com`
NS	`ns2.omnisdns.net`
		A	2607:fe90:8001::2^{Omnis-anycast2607:fe90:8001::/48 Anycast DNS}
			PTR	`ns2.guardeddns.net`
		A	204.10.136.2^{Omnis-anycast204.10.136.0/24 Omnis Anycast Network}
			PTR	`ns2.guardeddns.net`
MX	`openptc-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01602.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:9437427.spf01.hubspotemail....`
TXT	`MS=ms46827057`
SOA	`origin.onlydns.com`hostmaster@onlydns.com 2026-06-15 #2

`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=1782726735

Previously NS for

openptc.com

Same first word

openptc.com

Similar names

pcpnote.com

coppten.fr

openctp.org

tcpopen.org

openctp.net

popcent.com

popcent.org

tcpopen.com

popcent.net

tepconp.com

toppcen.com

DNS History

12 records (8 active, 4 former)

○NSns1.nytyr.me2017-01-25 → 2017-01-25 · 3 obs

● 2017-01-25 16:39:54
○ 2026-04-08 17:54:14
○ 2026-06-29 10:09:20

●NSns1.omnis.com2026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

●NSns2.omnisdns.net2026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

○NSopenptc.com2017-01-25 → 2017-01-25 · 3 obs

● 2017-01-25 16:39:54
○ 2026-04-08 17:54:14
○ 2026-06-29 10:09:20

●NSorigin.onlydns.com2026-06-29 → 2026-06-29 · 3 obs

○ 2026-04-08 17:54:14
● 2026-06-29 10:09:18
● 2026-06-29 10:09:20

○NSprimary.guardeddns.net2026-04-08 → 2026-04-08 · 4 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
○ 2026-06-29 10:09:18
○ 2026-06-29 10:09:20

●MXopenptc-com.mail.protection.outlook.com2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

●A198.185.159.1442026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

●A198.185.159.1452026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

●A198.49.23.1442026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

●A198.49.23.1452026-04-08 → 2026-06-29 · 3 obs

○ 2017-01-25 16:39:54
● 2026-04-08 17:54:14
● 2026-06-29 10:09:20

○A37.187.52.652017-01-25 → 2017-01-25 · 3 obs

● 2017-01-25 16:39:54
○ 2026-04-08 17:54:14
○ 2026-06-29 10:09:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
openptc.com	ns1.omnis.com, ns2.omnisdns.net	2 records

✅ Authoritative Response

Server:204.10.136.2

NS records: ns1.omnis.com, ns2.omnisdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openptc.com (unsigned zone)

⏱️ Timing

Total: 930ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.49.23.144, 198.185.159.145...`
NS	2	`ns2.omnisdns.net, ns1.omnis.com`
MX	1	`openptc-com.mail.protection.outlook.com`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms46827057`
SOA	1	`origin.onlydns.com hostmaster.onlydns.co`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.omnis.com, ns1.omnis.com)

Analysis

IP Addresses

openptc.com resolves to four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

cmssecure.com, 8mart.jp, markanthonysantos.com plus two other host names have IP numbers in common with openptc.com.

Name Servers

DNS for openptc.com is handled by three authoritative name servers: ns1.omnis.com, origin.onlydns.com and ns2.omnisdns.net.

openptc.com shares at least some of its name servers with other domains, including moyce.us, typhoonpolarizedoptics.com, omnisdev.com and two others.

These name servers tend to appear together with the name servers ns2.omnis.com, ns3.omnis.com and primary.guardeddns.net, plus two others.

Host names pointing to two IP addresses:

ns1.omnis.com has two IP addresses: 216.239.128.2 and 2607:fe90:8000::2.

ns2.omnisdns.net has two IP addresses: 204.10.136.2 and 2607:fe90:8001::2.

Host names resolving to a single IP address:

origin.onlydns.com directs to 216.239.128.2.

Host names pointing to 216.239.128.2 IP addresses: ns1.omnis.com and origin.onlydns.com.

Mail Servers

openptc.com uses one mail server — openptc-com.mail.protection.outlook.com.

openptc-com.mail.protection.outlook.com has 8 IP addresses: 52.101.10.16, 52.101.11.9, 52.101.41.183 plus 5 more.