otis.vn - robtex.com
otis.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cbru.br.ns.els-gms.att.net ⚠️ Not in zone NS records | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| A | 68.94.156.132🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| NS | cmtu.mt.ns.els-gms.att.net ⚠️ Not in zone NS records | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 99.99.99.132🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| NS | dns1.utc.com ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::46🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | dns1.utc.com | ||||||
| A | 156.154.64.46🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | dns1.utc.com | ||||||
| TXT | v=spf1 ~all | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030597953 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
●NScbru.br.ns.els-gms.att.net2026-03-27 → 2026-03-30 · 2 obs
● 2026-03-30 01:53:26
●NScmtu.mt.ns.els-gms.att.net2026-03-27 → 2026-03-30 · 2 obs
● 2026-03-30 01:53:26
○NSpdns1.ultradns.net2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns2.ultradns.net2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns209.ultradns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns3.ultradns.org2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns4.ultradns.org2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns5.ultradns.info2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
○NSpdns6.ultradns.co.uk2026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-30 01:53:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| otis.vn | dns1.utc.com, cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net | - |
✅ Authoritative Response
Server:68.94.156.132
NS records: dns1.utc.com, cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otis.vn (unsigned zone)
⏱️ Timing
Total: 1142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | mxa-00105401.gslb.pphosted.com (pri: 10), mxb-00105401.gslb.pphosted.com (pri: 10) |
| TXT | 1 | v=spf1 ~all |
| SOA | 1 | pdns209.ultradns.com administrative\.con |
Analysis
Name Servers
The domain otis.vn is delegated to three name servers: dns1.utc.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.
otis.vn shares name servers with other domains at least partially, for instance 96.238.12.in-addr.arpa, danzitrus.com, 77.71.12.in-addr.arpa, 205.113.159.in-addr.arpa and spiritbusinesscard.com.
these name servers are commonly used with the name servers dbru.br.ns.els-gms.att.net, ns9.customer.level3.net, dmtu.mt.ns.els-gms.att.net, ns6.customer.level3.net, pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
Host names with two IP numbers:
dns1.utc.com points to 2001:502:f3ff::46 and 156.154.64.46
cbru.br.ns.els-gms.att.net points to 2001:1890:1ff:9f0:68:94:156:132 and 68.94.156.132
cmtu.mt.ns.els-gms.att.net points to 2001:1890:1ff:9f1:99:99:99:132 and 99.99.99.132