qualtrics.tw - robtex.com
qualtrics.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=2011000410 | ||||||
Same first word
Similar names
qualtircs.com |
qualtrcis.com |
carlquist.com |
qulatrics.com |
carlquist.net |
carlquist.info |
carlquist.us |
carlquist.dk |
DNS History
7 records (7 active, 0 former)
●NSpdns111.ultradns.biz2026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●NSpdns111.ultradns.com2026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●NSpdns111.ultradns.net2026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●NSpdns111.ultradns.org2026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●A162.247.219.2502026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●A162.247.219.2512026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
●A162.247.219.2522026-04-09 → 2026-04-13 · 2 obs
● 2026-04-13 17:32:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | f.dns.tw, h.dns.tw, a.dns.tw, c.dns.tw... | - |
| qualtrics.tw | pdns111.ultradns.biz, pdns111.ultradns.com, pdns111.ultradns.net, pdns111.ultradns.org | - |
✅ Authoritative Response
Server:156.154.66.111
NS records: pdns111.ultradns.biz, pdns111.ultradns.com, pdns111.ultradns.net, pdns111.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qualtrics.tw (unsigned zone)
⏱️ Timing
Total: 742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 162.247.219.251, 162.247.219.250... |
| NS | 4 | pdns111.ultradns.biz, pdns111.ultradns.com... |
| SOA | 1 | pdns111.ultradns.com hostmaster.qualtric |
Analysis
IP Addresses
qualtrics.tw points to three IP numbers: 162.247.219.250, 162.247.219.251 and 162.247.219.252.
Other host names including qualtrics.si, qualtriks.com, qemailserver.com, experiencemanagement.com and qualtrics.eu share IP numbers with qualtrics.tw.
Name Servers
qualtrics.tw is delegated to four name servers: pdns111.ultradns.biz, pdns111.ultradns.com, pdns111.ultradns.net and pdns111.ultradns.org.
qualtrics.tw at least partially shares name servers with other domains, including qualtrics-customersuccess.com, propayca.com, qualtrics.dev, srs.keysight.com and cornxchange.com.
These name servers are typically used together with the name servers ns1.fanniemae.com, ns2.fanniemae.com, edns1.ultradns.biz, edns1.ultradns.net, edns1.ultradns.com, edns1.ultradns.org, ns1.keysight.com, ns3.keysight.com, ns4.fanniemae.com and ns5.fanniemae.com.
Hosts with two IP numbers:
Host pdns111.ultradns.biz points to 2610:a1:1015::93 and 156.154.66.111
Host pdns111.ultradns.com points to 2001:502:f3ff::93 and 156.154.64.111
Host pdns111.ultradns.net points to 2610:a1:1014::93 and 156.154.65.111
Host pdns111.ultradns.org points to 2001:502:4612::93 and 156.154.67.111