quadduo.com - robtex.com
quadduo.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=1774564187 | ||||||
Same first word
DNS History
10 records (6 active, 4 former)
●NSns35.domaincontrol.com2016-12-18 → 2026-03-26 · 2 obs
● 2026-03-26 22:36:28
●NSns36.domaincontrol.com2016-12-18 → 2026-03-26 · 2 obs
● 2026-03-26 22:36:28
○MX211450976.pamx1.hotmail.com2020-01-24 → 2020-01-24 · 4 obs
● 2020-01-24 11:21:14
○ 2026-02-28 07:36:46
○ 2026-03-26 22:36:28
●MXmail.protonmail.ch2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:36:46
● 2026-03-26 22:36:28
●MXmailsec.protonmail.ch2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:36:46
● 2026-03-26 22:36:28
○MXmailstore1.secureserver.net2016-12-18 → 2020-01-24 · 4 obs
● 2020-01-24 11:21:14
○ 2026-02-28 07:36:46
○ 2026-03-26 22:36:28
○MXsmtp.secureserver.net2016-12-18 → 2020-01-24 · 4 obs
● 2020-01-24 11:21:14
○ 2026-02-28 07:36:46
○ 2026-03-26 22:36:28
●A15.197.148.332026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:36:46
● 2026-03-26 22:36:28
○A184.168.221.432016-12-18 → 2020-01-24 · 4 obs
● 2020-01-24 11:21:14
○ 2026-02-28 07:36:46
○ 2026-03-26 22:36:28
●A3.33.130.1902026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:36:46
● 2026-03-26 22:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| quadduo.com | ns35.domaincontrol.com, ns36.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.75.18
NS records: ns35.domaincontrol.com, ns36.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for quadduo.com (unsigned zone)
⏱️ Timing
Total: 124ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns35.domaincontrol.com, ns36.domaincontrol.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | protonmail-verification=0443193708f1500e, v=spf1 include:_spf.protonmail.ch mx ~al |
| SOA | 1 | ns35.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns35.domaincontrol.com, ns35.domaincontrol.com, ns36.domaincontrol.com...)
Analysis
IP Addresses
quadduo.com resolves to two IP numbers: 3.33.130.190 and 15.197.148.33.
other host names including sethecaptivesfree.com, legofab.com, thebrightervision.com, flashtaxpro.com and miamisunsettours.com share IP numbers with quadduo.com.
Name Servers
quadduo.com is delegated to two name servers ns35.domaincontrol.com and ns36.domaincontrol.com.
quadduo.com shares the same name server setup as other domains, for instance farbetikettendrucker.com, moonlightstreet.com, notabuilder.com, aelladata.com and 1st.news.
quadduo.com at least partially shares name servers with other domains, for instance neenopal.com.
Host names with two IP numbers:
The host name ns35.domaincontrol.com points to 2603:5:21b1::12 and 97.74.107.18; the host name ns36.domaincontrol.com points to 2603:5:22b1::12 and 173.201.75.18.
Mail Servers
Two mail servers handle quadduo.com: mail.protonmail.ch and mailsec.protonmail.ch.
quadduo.com shares the same mail server setup as other domains, for instance aegiswolf.com, elasticswap.org, cleanlegen.de, xendrive.com and ithee.nl.
quadduo.com shares some mail servers with other domains, at least partially, for instance keesbrandenburg.nl, mariedahlgren.se, chronologic.network, iblop.net and redrockchemical.com.
Host names with three IPs:
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128.
mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.