ot-core.net - robtex.com
ot-core.net
net
| 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.netnstld@verisign-grs.com serial=1785705467 | ||||||
Same first word
ot-core.net |
DNS History
5 records (5 active, 0 former)
●NSha1.markmonitor.zone2026-06-25 → 2026-08-02 · 2 obs
● 2026-08-02 21:32:30
●NSha2.markmonitor.zone2026-06-25 → 2026-08-02 · 2 obs
● 2026-08-02 21:32:30
●NSha3.markmonitor.zone2026-06-25 → 2026-08-02 · 2 obs
● 2026-08-02 21:32:30
●NSha4.markmonitor.zone2026-06-25 → 2026-08-02 · 2 obs
● 2026-08-02 21:32:30
●A3.33.139.322026-06-25 → 2026-08-02 · 2 obs
● 2026-08-02 21:32:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| ot-core.net | ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone | - |
✅ Authoritative Response
Server:176.97.158.5
NS records: ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ot-core.net (unsigned zone)
⏱️ Timing
Total: 475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.33.139.32 |
| NS | 4 | ha1.markmonitor.zone, ha2.markmonitor.zone... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ha1.markmonitor.zone hostmaster.markmoni |
Analysis
IP Addresses
ot-core.net resolves to one IP address: 3.33.139.32.
hbr-today1.org, skechersonlinedanmark.dk, volcom.co.nz and two other host names share IP numbers with ot-core.net.
Name Servers
The authoritative name servers for ot-core.net are ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.
There is at least partial name server overlap between ot-core.net and other domains — corkillinsurance.com, insdra.com, sandoz.com.hn and two more among them.
These name servers regularly appear alongside ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com and 4 other name servers in NS record sets.
All four hostnames — ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone — resolve to two IP numbers apiece: ha1.markmonitor.zone to 192.174.68.5 and 2001:67c:1bc::5; ha2.markmonitor.zone to 162.219.54.170 and 2620:10a:80eb::6b; ha3.markmonitor.zone to 176.97.158.5 and 2001:67c:10b8::5; ha4.markmonitor.zone to 162.219.55.170 and 2620:10a:80ec::6b.