op72system.info - robtex.com
op72system.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.254.30.45🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | just2033.justhost.com | ||||||
| NS | ns1.justhost.com ⭐ | ||||||
| A | 162.159.24.49Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.justhost.com | ||||||
| NS | ns2.justhost.com | ||||||
| A | 162.159.25.241Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.justhost.com | ||||||
| MX | mail.op72system.info ⭐ | ||||||
| A | 173.254.30.45🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | just2033.justhost.com | ||||||
| MX | op72system.info(10) | ||||||
| A | 173.254.30.45🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | just2033.justhost.com | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| SOA | ns1.justhost.comroot@just2033.justhost.com 2025-04-05 #0 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1778692219 | ||||||
MX for
op72system.info |
Subdomains
mail.op72system.info |
Same first word
op72system.info |
DNS History
6 records (5 active, 1 former)
●NSns1.justhost.com2015-06-29 → 2026-05-13 · 5 obs
○ 2015-11-09 11:39:50
○ 2018-07-20 10:18:30
● 2026-05-12 03:57:56
● 2026-05-13 17:44:12
●NSns2.justhost.com2015-06-29 → 2026-05-13 · 5 obs
○ 2015-11-09 11:39:50
○ 2018-07-20 10:18:30
● 2026-05-12 03:57:56
● 2026-05-13 17:44:12
●MXmail.op72system.info2015-06-29 → 2026-05-13 · 5 obs
○ 2015-11-09 11:39:50
○ 2018-07-20 10:18:30
● 2026-05-12 03:57:56
● 2026-05-13 17:44:12
●MXop72system.info2026-05-12 → 2026-05-13 · 3 obs
● 2026-05-12 03:57:56
● 2026-05-13 17:44:12
○A173.254.28.472015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-09 11:39:50
○ 2026-05-13 17:44:12
●A173.254.30.452026-05-12 → 2026-05-13 · 3 obs
● 2026-05-12 03:57:56
● 2026-05-13 17:44:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| op72system.info | ns1.justhost.com, ns2.justhost.com | - |
✅ Authoritative Response
Server:162.159.25.241
NS records: ns1.justhost.com, ns2.justhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for op72system.info (unsigned zone)
⏱️ Timing
Total: 974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.254.30.45 |
| NS | 2 | ns2.justhost.com, ns1.justhost.com |
| MX | 2 | mail.op72system.info (pri: 0), op72system.info (pri: 10) |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | ns1.justhost.com root.just2033.justhost. |
Analysis
Hierarchy
op72system.info is the parent of mail.op72system.info.
Mail Server Role
op72system.info is the mail server for op72system.info.
Together with op72system.info, mail.op72system.info is commonly used as a mail server.
IP Addresses
op72system.info resolves to a single IP: 173.254.30.45.
Other host names, for instance claytonscrabcompany.com, mail.lambinc.org, mail.claytonscrabcompany.com, chartingyourcourse.info and cetorimport.com share IP numbers with op72system.info.
Name Servers
op72system.info has two name servers: ns1.justhost.com and ns2.justhost.com.
op72system.info shares the same name server setup as other domains, for example robcheng.com, richcoward.com, nexuscoastal.com, jamiemacgregor.com and iamgmembers.com.
op72system.info shares some name servers with other domains, for example milim.org, steelescouts.ca, arcticrange.ca, alexatigroup.com and berlonzi.com.
These name servers are often used together with ns1.pipedns.com, ns2.pipedns.com and ns3.pipedns.com.
Host names with a single IP:
ns1.justhost.com points to 162.159.24.49
ns2.justhost.com points to 162.159.25.241
Mail Servers
op72system.info is handled by two mail servers: op72system.info and mail.op72system.info.
Host names with one IP number:
op72system.info points to: 173.254.30.45
mail.op72system.info points to: 173.254.30.45
Names pointing to 173.254.30.45: op72system.info and mail.op72system.info