`opcdoctor.org`

DNSSEC	⚠️ Not signed
A	199.64.218.172
NS	`elliot.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
NS	`magnolia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magnolia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magnolia.ns.cloudflare.com`
		A	108.162.194.214^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	162.159.38.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
		A	172.64.34.214^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magnolia.ns.cloudflare.com`
TXT	`ca3-a4a5e866e6584e849520981e1c3adc8b`
SOA	`elliot.ns.cloudflare.com`dns@cloudflare.com serial=2399601954

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778543823

Same first word

opcdoctor.org

DNS History

6 records (3 active, 3 former)

○NSde08undgm01.honeywell.com2015-12-11 → 2018-12-19 · 5 obs

○ 2015-08-14 22:04:06
● 2015-12-11 08:26:20
● 2018-12-19 17:04:54
○ 2026-03-27 01:28:42
○ 2026-05-12 00:31:42

○NSdns1.honeywell.com2015-08-14 → 2018-12-19 · 4 obs

● 2015-08-14 22:04:06
● 2018-12-19 17:04:54
○ 2026-03-27 01:28:42
○ 2026-05-12 00:31:42

○NSdns2.honeywell.com2015-08-14 → 2018-12-19 · 5 obs

● 2015-08-14 22:04:06
○ 2015-12-11 08:26:20
● 2018-12-19 17:04:54
○ 2026-03-27 01:28:42
○ 2026-05-12 00:31:42

●NSelliot.ns.cloudflare.com2026-03-27 → 2026-05-12 · 3 obs

○ 2018-12-19 17:04:54
● 2026-03-27 01:28:42
● 2026-05-12 00:31:42

●NSmagnolia.ns.cloudflare.com2026-03-27 → 2026-05-12 · 3 obs

○ 2018-12-19 17:04:54
● 2026-03-27 01:28:42
● 2026-05-12 00:31:42

●A199.64.218.1722015-08-14 → 2026-05-12 · 2 obs

● 2015-08-14 22:04:06
● 2026-05-12 00:31:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
opcdoctor.org	magnolia.ns.cloudflare.com, elliot.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.162

NS records: magnolia.ns.cloudflare.com, elliot.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opcdoctor.org (unsigned zone)

⏱️ Timing

Total: 507ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.64.218.172`
NS	2	`elliot.ns.cloudflare.com, magnolia.ns.cloudflare.com`
TXT	1	`ca3-a4a5e866e6584e849520981e1c3adc8b`
SOA	1	`elliot.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

opcdoctor.org points to a single IP: 199.64.218.172.

Other host names, for instance opchda.com, allenbradleyopcserver.com, opcforum.org, opcsecurity.com and automationgateway.com share IP numbers with opcdoctor.org.

Name Servers

opcdoctor.org's delegation is to two name servers elliot.ns.cloudflare.com and magnolia.ns.cloudflare.com.

opcdoctor.org shares the same name server configuration as other domains, such as notifierfiresystems.co.uk, intermec.mobi, securitex.net, sperian.com and notifier.dk.

opcdoctor.org at least partially shares its name servers with other domains, for instance jeremyhobbs.co.uk, earq.cn, sterlinglentz.com, 123moviesw.com and fuqeluvumholdingsnet.digital.

These name servers are often used together with the name servers donald.ns.cloudflare.com.

Host names with six IP numbers:

elliot.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba2, 2803:f800:50::6ca2:c1a2, 2a06:98c1:50::ac40:21a2, 108.162.193.162, 172.64.33.162 and 173.245.59.162.

magnolia.ns.cloudflare.com points to: 2606:4700:50::a29f:26d6, 2803:f800:50::6ca2:c2d6, 2a06:98c1:50::ac40:22d6, 108.162.194.214, 162.159.38.214 and 172.64.34.214.

opcdoctor.org - robtex.com

opcdoctor.org

org