qualidade21.com - robtex.com
qualidade21.com
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=1771291435 | ||||||
Subdomains
mail.qualidade21.com |
Same first word
qualidade21.com |
DNS History
15 records (8 active, 7 former)
○NSns1.mydyndns.org2015-08-05 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
○NSns1155.dns.dyn.com2015-08-05 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
○NSns2143.dns.dyn.com2015-08-05 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
○NSns3137.dns.dyn.com2015-08-05 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
○NSns4140.dns.dyn.com2015-08-05 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
●MXmail.qualidade21.com2015-08-05 → 2026-03-23 · 2 obs
● 2026-03-23 21:22:30
○A79.168.129.832015-08-05 → 2016-03-04 · 4 obs
● 2016-03-04 09:35:04
○ 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
●A85.240.120.2282026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 21:22:30
○A85.244.22.1882016-07-08 → 2016-07-08 · 3 obs
● 2016-07-08 17:17:46
○ 2026-03-23 21:22:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net... | - |
| qualidade21.com | ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com | 7 records |
✅ Authoritative Response
Server:108.181.159.122
NS records: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qualidade21.com (unsigned zone)
⏱️ Timing
Total: 292ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.240.120.228 |
| NS | 6 | ns3.dynu.com, ns1.dynu.com... |
| MX | 1 | mail.qualidade21.com (pri: 0) |
| TXT | 2 | v=spf1 include:zoho.com a mx include:web, google-site-verification=z-yAzsa6J4Jh-yZ |
| SOA | 1 | ns1.dynu.com administrator.dynu.com |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (ns1.dynu.com, ns2.dynu.com, ns2.dynu.com...)
Analysis
Hierarchy
qualidade21.com is the parent of mail.qualidade21.com.
IP Addresses
qualidade21.com resolves to a single IP: 85.240.120.228.
Name Servers
qualidade21.com is delegated to six name servers: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns5.dynu.com and ns6.dynu.com.
qualidade21.com shares some name servers with other domains, for example missinudist.eu, menuau.org, riccihome.net, keal.org.uk and shantao.edu.my.
These name servers are commonly used with the name servers ns10.dynu.com, ns8.dynu.com, ns12.dynu.com, ns9.dynu.com, ns7.dynu.com and ns11.dynu.com.
Two IPs per host:
ns2.dynu.com points to 2602:ff23:0:8888::2 and 108.181.13.234
ns3.dynu.com points to 2605:9f80:4000:214::2 and 162.251.164.146
ns4.dynu.com points to 2604:6600:2000:39::2 and 108.181.159.122
ns5.dynu.com points to 2605:9f80:c000:404::2 and 216.105.169.98
ns6.dynu.com points to 2607:f8f8:631:8612::2 and 173.0.55.138
One IP:
ns1.dynu.com points to 72.51.58.2
Mail Servers
qualidade21.com is handled by a single mail server, mail.qualidade21.com.
Host name mail.qualidade21.com points to IP 50.87.235.85.