otis.tw - robtex.com
otis.tw
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2010997078 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSpdns1.ultradns.net2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns2.ultradns.net2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns209.ultradns.com2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns3.ultradns.org2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns4.ultradns.org2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns5.ultradns.info2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●NSpdns6.ultradns.co.uk2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●MXmxa-00105401.gslb.pphosted.com2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
●MXmxb-00105401.gslb.pphosted.com2026-03-27 → 2026-03-29 · 2 obs
● 2026-03-29 12:47:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| otis.tw | pdns4.ultradns.org, pdns1.ultradns.net, pdns6.ultradns.co.uk, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server:204.74.114.1
NS records: pdns4.ultradns.org, pdns1.ultradns.net, pdns6.ultradns.co.uk, pdns2.ultradns.net, pdns3.ultradns.org, pdns5.ultradns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for otis.tw (unsigned zone)
⏱️ Timing
Total: 1191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| 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
otis.tw is delegated to seven name servers: pdns209.ultradns.com, pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
otis.tw shares some name servers with other domains, for example velpar.net, fibramq.com, wwte1.com, 21.161.in-addr.arpa and dgim-eakademie.de.
these name servers are often used with udns1.ultradns.net, udns2.ultradns.net, pdns209.ultradns.net, pdns209.ultradns.org, pdns209.ultradns.biz, dns-external-master.amazon.com, ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com and ns4.nbcuni.com.
Host names with two IP numbers:
pdns209.ultradns.com points to: 2001:502:f3ff::f5 and 156.154.64.209; pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1; pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1; pdns2.ultradns.net points to: 2610:a1:1014::1 and 204.74.109.1; pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1; pdns4.ultradns.org points to: 2001:502:4612::1 and 199.7.69.1; pdns6.ultradns.co.uk points to: 2610:a1:1017::1 and 204.74.115.1.
Mail Servers
otis.tw is served by two mail servers: mxa-00105401.gslb.pphosted.com and mxb-00105401.gslb.pphosted.com.
otis.tw shares the mail server setup with other domains, for example otis.ph, otiselevators.info, hsr.utc.com, celsior.de and otis.be.
otis.tw shares some mail servers with other domains, at least partially; for instance kidde-deugra.de, kidde.com.ar, remotevideoresponse.co.uk, chubbus.com and klimarent.eu.
Host names with a single IP:
mxa-00105401.gslb.pphosted.com points to 67.231.152.184
mxb-00105401.gslb.pphosted.com points to 67.231.144.184