duocoding.com - robtex.com
duocoding.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=1794728913 | ||||||
Same first word
Similar names
Previous names
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DNS History
11 records (6 active, 5 former)
○NSns-01.svc.xl-internetservices.com2015-08-17 → 2017-04-11 · 4 obs
● 2017-04-11 05:27:08
○ 2020-03-24 21:13:40
○ 2026-11-15 08:00:24
○NSns-02.svc.xl-internetservices.com2015-08-17 → 2017-04-11 · 4 obs
● 2017-04-11 05:27:08
○ 2020-03-24 21:13:40
○ 2026-11-15 08:00:24
○NSns-03.svc.xl-internetservices.com2015-08-17 → 2017-04-11 · 4 obs
● 2017-04-11 05:27:08
○ 2020-03-24 21:13:40
○ 2026-11-15 08:00:24
●NSns-cloud-c1.googledomains.com2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
●NSns-cloud-c2.googledomains.com2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
●NSns-cloud-c3.googledomains.com2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
●NSns-cloud-c4.googledomains.com2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
○MXmail.duocoding.com2015-08-17 → 2017-04-11 · 4 obs
● 2017-04-11 05:27:08
○ 2020-03-24 21:13:40
○ 2026-11-15 08:00:24
●MXmxa.mailgun.org2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
●MXmxb.mailgun.org2026-08-24 → 2026-11-15 · 3 obs
● 2026-08-24 21:23:00
● 2026-11-15 08:00:24
○A89.31.97.1952015-08-17 → 2017-04-11 · 4 obs
● 2017-04-11 05:27:08
○ 2020-03-24 21:13:40
○ 2026-11-15 08:00:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net... | - |
| duocoding.com | ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 686ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com... |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)
Analysis
Name Servers
The authoritative name servers for duocoding.com are ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
The name servers of duocoding.com overlap at least partially with those of other domains — among them pgpsquad.com, sunnyoutlooks.com, grantingtonics.com and two more.
Each of the four hosts ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com has two IP addresses. ns-cloud-c1.googledomains.com points to 216.239.32.108 and 2001:4860:4802:32::6c. ns-cloud-c2.googledomains.com points to 216.239.34.108 and 2001:4860:4802:34::6c. ns-cloud-c3.googledomains.com points to 216.239.36.108 and 2001:4860:4802:36::6c. ns-cloud-c4.googledomains.com points to 216.239.38.108 and 2001:4860:4802:38::6c.
Mail Servers
Mail for duocoding.com is handled by two mail servers — mxa.mailgun.org and mxb.mailgun.org.
duocoding.com uses an identical mail server configuration to several other domains — among them brandonchoi.com, jbcompany.net, dcmoveteam.com and two more.
duocoding.com partially shares its mail servers with other domains — including metacyphers.ai, heroesdigitales10x.com, coalminershideout.com and youngtrader.nl.
mxa.mailgun.org resolves to 34.149.254.5; mxb.mailgun.org resolves to the same IP address, 34.149.254.5.
Both mxa.mailgun.org and mxb.mailgun.org resolve to 34.149.254.5 IP addresses each.