openc.org - robtex.com
openc.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.234.64.18🇺🇸 AKAMAI-LINODE-AP | ||||||
| PTR | psa2418.his.com | ||||||
| NS | ns2.his.com ⭐ | ||||||
| A | 134.122.36.158🇨🇦 DIGITALOCEAN | ||||||
| PTR | ns2.his.com | ||||||
| NS | ns.his.com | ||||||
| A | 104.236.68.216🇺🇸 DIGITALOCEAN | ||||||
| PTR | ns0.his.com | ||||||
| NS | ns3.his.com | ||||||
| A | 95.85.48.55🇳🇱 DIGITALOCEAN | ||||||
| PTR | ns3a.his.com | ||||||
| NS | ns4.his.com | ||||||
| A | 206.189.184.180🇺🇸 DIGITALOCEAN | ||||||
| PTR | ns4.his.com | ||||||
| MX | pmg.his.com ⭐ | ||||||
| A | 75.149.19.217🇺🇸 COMCAST-IBONE | ||||||
| PTR | pgh-217.his.com | ||||||
| A | 108.56.65.15🇺🇸 AS701 | ||||||
| PTR | dc-15.his.net | ||||||
| TXT | v=spf1 include:his.com -all | ||||||
| SOA | ns.his.comhostmaster@his.com 2025-11-21 #0 | ||||||
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.infohostmaster@donuts.email serial=1771291736 | ||||||
Same first word
openc.org |
openc.me |
openc.eu |
openc.cn |
openc.com |
openc.it |
openc.co |
openc.ch |
openc.rs |
openc.de |
openc.nl |
openc.k12.or.us |
Similar names
DNS History
11 records (6 active, 5 former)
●MXpmg.his.com2026-02-19 → 2026-02-24 · 3 obs
● 2026-02-19 05:54:44
● 2026-02-24 12:17:08
○MXsmtp-1.his.com2015-08-07 → 2016-12-05 · 4 obs
● 2016-12-05 05:09:26
○ 2026-02-19 05:54:44
○ 2026-02-24 12:17:08
○MXsmtp-2.his.com2015-08-07 → 2016-12-05 · 4 obs
● 2016-12-05 05:09:26
○ 2026-02-19 05:54:44
○ 2026-02-24 12:17:08
○MXsmtp-in.his.com2015-08-07 → 2016-12-05 · 4 obs
● 2016-12-05 05:09:26
○ 2026-02-19 05:54:44
○ 2026-02-24 12:17:08
●A172.234.64.182026-02-19 → 2026-02-24 · 3 obs
● 2026-02-19 05:54:44
● 2026-02-24 12:17:08
○A216.194.196.372016-12-05 → 2016-12-05 · 4 obs
● 2016-12-05 05:09:26
○ 2026-02-19 05:54:44
○ 2026-02-24 12:17:08
○A216.194.249.202015-08-07 → 2016-04-08 · 4 obs
● 2016-04-08 05:56:28
○ 2016-12-05 05:09:26
○ 2026-02-24 12:17:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| openc.org | ns.his.com, ns2.his.com, ns3.his.com, ns4.his.com | - |
✅ Authoritative Response
Server: 104.236.68.216
NS records: ns.his.com, ns2.his.com, ns3.his.com, ns4.his.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openc.org (unsigned zone)
⏱️ Timing
Total: 985ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.234.64.18 |
| NS | 4 | ns2.his.com, ns3.his.com... |
| MX | 1 | pmg.his.com (pri: 5) |
| TXT | 1 | v=spf1 include:his.com -all |
| SOA | 1 | ns.his.com hostmaster.his.com |
AI analysis
openc.org points to a single IP number: 172.234.64.18.
Other host names, for instance opensourcemachinetools.com, secondhandseats.com, pobox100.com, opensourcemachinetools.org and psa2418.his.com share IP numbers with openc.org.
openc.org is delegated to four name servers: ns2.his.com, ns3.his.com, ns4.his.com and ns.his.com.
openc.org at least partially shares name servers with other domains, for instance shadyvale.com, kolodkin.com, seatravel.com, afio.org and 251.194.216.in-addr.arpa.
These name servers are commonly used with ns5.his.com and ns1.his.com.
Host names with a single IP address
ns2.his.com points to 134.122.36.158
ns3.his.com points to 95.85.48.55
ns4.his.com points to 206.189.184.180
ns.his.com points to 104.236.68.216
openc.org is handled by a single mail server, pmg.his.com.
openc.org uses the same mail server configuration as other domains, such as ocsystems.com, lanternbookshop.org, intermezzo.com, eyemind.com and agriwashington.org.
pmg.his.com resolves to two IP numbers: 75.149.19.217 and 108.56.65.15.