o2tw.com - robtex.com
o2tw.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.websitecontrol.org ⚠️ Not in zone NS records | ||||||
| A | 65.21.91.162🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC | ||||||
| PTR | power.websitecontrol.org | ||||||
| NS | ns2.websitecontrol.org ⚠️ Not in zone NS records | ||||||
| A | 65.21.91.162🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC | ||||||
| PTR | power.websitecontrol.org | ||||||
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.netnstld@verisign-grs.com serial=1785763942 | ||||||
MX for
o2tw.com |
Subdomains
mail.o2tw.com |
Same first word
o2tw.com |
Similar names
DNS History
14 records (2 active, 12 former)
○NSdean.ns.cloudflare.com2017-03-15 → 2017-03-15 · 4 obs
● 2017-03-15 21:21:26
○ 2026-04-10 20:46:10
○ 2026-08-03 14:03:20
○NSgene.ns.cloudflare.com2017-03-15 → 2017-03-15 · 4 obs
● 2017-03-15 21:21:26
○ 2026-04-10 20:46:10
○ 2026-08-03 14:03:20
○NSns1.bluehost.com2015-06-27 → 2016-05-07 · 4 obs
● 2016-05-07 03:55:40
○ 2017-03-15 21:21:26
○ 2026-08-03 14:03:20
●NSns1.websitecontrol.org2026-08-03 → 2026-08-03 · 3 obs
● 2026-08-03 14:03:18
● 2026-08-03 14:03:20
○NSns17.superdnssite.com2026-04-10 → 2026-04-10 · 4 obs
● 2026-04-10 20:46:10
○ 2026-08-03 14:03:18
○ 2026-08-03 14:03:20
○NSns18.superdnssite.com2026-04-10 → 2026-04-10 · 4 obs
● 2026-04-10 20:46:10
○ 2026-08-03 14:03:18
○ 2026-08-03 14:03:20
○NSns2.bluehost.com2015-06-27 → 2016-05-07 · 4 obs
● 2016-05-07 03:55:40
○ 2017-03-15 21:21:26
○ 2026-08-03 14:03:20
●NSns2.websitecontrol.org2026-08-03 → 2026-08-03 · 3 obs
● 2026-08-03 14:03:18
● 2026-08-03 14:03:20
○MXmail.o2tw.com2015-06-27 → 2016-05-07 · 4 obs
● 2016-05-07 03:55:40
○ 2017-03-15 21:21:26
○ 2026-08-03 14:03:20
○MXo2tw.com2026-04-10 → 2026-04-10 · 4 obs
● 2026-04-10 20:46:10
○ 2026-08-03 14:03:18
○ 2026-08-03 14:03:20
○A104.156.239.902017-03-15 → 2017-03-15 · 4 obs
● 2017-03-15 21:21:26
○ 2026-04-10 20:46:10
○ 2026-08-03 14:03:20
○A173.254.67.1862015-06-27 → 2016-05-07 · 4 obs
● 2016-05-07 03:55:40
○ 2017-03-15 21:21:26
○ 2026-08-03 14:03:20
○A184.154.75.262026-04-10 → 2026-04-10 · 4 obs
● 2026-04-10 20:46:10
○ 2026-08-03 14:03:18
○ 2026-08-03 14:03:20
○A99.198.101.1862026-04-10 → 2026-08-03 · 2 obs
○ 2026-08-03 14:03:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| o2tw.com | ns1.websitecontrol.org, ns2.websitecontrol.org | - |
✅ Authoritative Response
Server:65.21.91.162
NS records: ns1.websitecontrol.org, ns2.websitecontrol.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o2tw.com (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Hierarchy
o2tw.com serves as the parent of mail.o2tw.com.
Mail Server Role
o2tw.com handles its own mail, functioning as its own mail server.
Name Servers
Two name servers handle the delegation for o2tw.com: ns1.websitecontrol.org and ns2.websitecontrol.org.
o2tw.com shares its NS records with other domains, for example hostrology.com, babulkabahajj.com, ns1.websitecontrol.org and two others.
o2tw.com has at least partial name server overlap with other domains, such as specpowerbd.com, leetwise.com, twicepartner.com and two others.
ns1.leetwise.com, ns2.leetwise.com and ns1.itassistancebd.com — plus 3 other name servers — are commonly paired with these name servers.
ns1.websitecontrol.org directs to 65.21.91.162, as does ns2.websitecontrol.org — both hostnames resolve to that one IP address.
ns1.websitecontrol.org along with ns2.websitecontrol.org each resolve to 65.21.91.162 IP addresses.