emailmastery.com - robtex.com
emailmastery.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| MX | mxa.mailgun.com ⭐ | ||||||
| MX | mxb.mailgun.com ⭐ | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2026-02-09 #3 | ||||||
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 | ||||||
Same first word
emailmastery.com |
DNS History
8 records (6 active, 2 former)
●NSns19.domaincontrol.com2015-07-17 → 2026-03-14 · 2 obs
● 2026-03-14 09:49:52
●NSns20.domaincontrol.com2015-07-17 → 2026-03-14 · 2 obs
● 2026-03-14 09:49:52
●MXmxa.mailgun.com2015-07-17 → 2026-03-14 · 2 obs
● 2026-03-14 09:49:52
●MXmxb.mailgun.com2015-07-17 → 2026-03-14 · 2 obs
● 2026-03-14 09:49:52
●A15.197.225.1282026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 09:49:50
● 2026-03-14 09:49:52
●A3.33.251.1682026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 09:49:50
● 2026-03-14 09:49:52
○A72.32.114.2022016-02-08 → 2017-04-19 · 5 obs
● 2016-02-08 08:05:18
● 2017-04-19 15:58:36
○ 2026-03-14 09:49:50
○ 2026-03-14 09:49:52
○A98.129.229.2152015-07-17 → 2015-11-13 · 4 obs
● 2015-11-13 16:05:44
○ 2016-02-08 08:05:18
○ 2026-03-14 09:49:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| emailmastery.com | ns19.domaincontrol.com, ns20.domaincontrol.com | 4 records |
✅ Authoritative Response
Server: 97.74.109.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for emailmastery.com (unsigned zone)
⏱️ Timing
Total: 145ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| MX | 2 | mxa.mailgun.com (pri: 10), mxb.mailgun.com (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)
Analysis
IP Addresses
emailmastery.com points to two IPs: 3.33.251.168 and 15.197.225.128.
Other host names including flyslm.net, ifttt.in, synlawncalifornia.com, scottsdalesocietyofwomenwriters.com and tudiorlando.com share IP numbers with emailmastery.com.
Name Servers
emailmastery.com's delegation uses two name servers, ns19.domaincontrol.com and ns20.domaincontrol.com.
emailmastery.com shares the same name server setup as other domains, for example plexushealthynow.com, chipinkaiyajazz.com, zipteams.com, paradiseloungesd.com and pkgpartner.com.
emailmastery.com partially shares its name servers with other domains, for example hitchhotel.com and 246.2.186.in-addr.arpa.
Host names with two IPs:
ns19.domaincontrol.com points to: 2603:5:21d0::a and 97.74.109.10
ns20.domaincontrol.com points to: 2603:5:22d0::a and 173.201.77.10
Mail Servers
emailmastery.com is handled by two mail servers: mxa.mailgun.com and mxb.mailgun.com.
emailmastery.com shares the same mail server setup as other domains, for instance dunningnotices.com, wendyshighschoolheisman.com, eastbaychildrensbookproject.org and licensezero.com.
The mail servers for emailmastery.com are shared with other domains, for instance schedulelocal.com, portho.com, dx30.net, teachablemail.com and james.recds12.co.uk.
These mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, mxa.mailgun.org, mxb.mailgun.org and fb.mail.gandi.net.