mastery.com - robtex.com
mastery.com
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| 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=1775929767 | ||||||
Subdomains
mail.mastery.com |
Same first word
Similar names
DNS History
15 records (10 active, 5 former)
โNSns-1309.awsdns-35.org2018-07-15 โ 2026-04-11 ยท 3 obs
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โNSns-1581.awsdns-05.co.uk2018-07-15 โ 2026-04-11 ยท 3 obs
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โNSns-451.awsdns-56.com2018-07-15 โ 2026-04-11 ยท 3 obs
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โNSns-884.awsdns-46.net2018-07-15 โ 2026-04-11 ยท 3 obs
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โNSpdns01.domaincontrol.com2015-05-24 โ 2017-01-12 ยท 4 obs
โ 2017-01-12 22:52:30
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โNSpdns02.domaincontrol.com2015-05-24 โ 2017-01-12 ยท 4 obs
โ 2017-01-12 22:52:30
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โMXalt1.aspmx.l.google.com2015-05-24 โ 2026-04-11 ยท 2 obs
โ 2026-04-11 18:00:36
โMXalt2.aspmx.l.google.com2015-05-24 โ 2026-04-11 ยท 2 obs
โ 2026-04-11 18:00:36
โMXaspmx.l.google.com2015-05-24 โ 2026-04-11 ยท 2 obs
โ 2026-04-11 18:00:36
โMXaspmx2.googlemail.com2015-05-24 โ 2026-04-11 ยท 2 obs
โ 2026-04-11 18:00:36
โMXaspmx3.googlemail.com2015-05-24 โ 2026-04-11 ยท 2 obs
โ 2026-04-11 18:00:36
โA162.159.134.422026-03-25 โ 2026-04-11 ยท 3 obs
โ 2026-03-25 05:50:20
โ 2026-04-11 18:00:36
โA198.65.98.2252015-05-24 โ 2017-01-12 ยท 4 obs
โ 2017-01-12 22:52:30
โ 2018-07-15 16:33:08
โ 2026-04-11 18:00:36
โA34.196.128.152018-07-15 โ 2018-07-15 ยท 4 obs
โ 2018-07-15 16:33:08
โ 2026-03-25 05:50:20
โ 2026-04-11 18:00:36
โA54.87.15.452018-07-15 โ 2018-07-15 ยท 4 obs
โ 2018-07-15 16:33:08
โ 2026-03-25 05:50:20
โ 2026-04-11 18:00:36
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mastery.com | ns-451.awsdns-56.com, ns-884.awsdns-46.net, ns-1581.awsdns-05.co.uk, ns-1309.awsdns-35.org | 1 record |
โ Authoritative Response
Server:205.251.198.45
NS records: ns-451.awsdns-56.com, ns-884.awsdns-46.net, ns-1581.awsdns-05.co.uk, ns-1309.awsdns-35.org
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for mastery.com (unsigned zone)
โฑ๏ธ Timing
Total: 580ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.159.134.42 |
| NS | 4 | ns-1309.awsdns-35.org, ns-1581.awsdns-05.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 9 | 283fxhjhq5h4qbqbs2ypc3s2m295cn9c, brevo-code:a4bcf261e07d0548bab76e4420cb4... |
| SOA | 1 | ns-451.awsdns-56.com awsdns-hostmaster.a |
๐ Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-451.awsdns-56.com)
Analysis
Hierarchy
The parent of mail.mastery.com is mastery.com.
IP Addresses
mastery.com points to an IP address: 162.159.134.42.
other host names include smithsbeachresort.com.au, peterstownshippa.com, italiainformatica.com, myugo.com and bignardi.it; they share IP numbers with mastery.com.
Name Servers
mastery.com delegates to four name servers: ns-451.awsdns-56.com, ns-884.awsdns-46.net, ns-1309.awsdns-35.org and ns-1581.awsdns-05.co.uk.
mastery.com at least partially shares name servers with other domains, for instance d2el8g1sy812l4.cloudfront.net, pinetrk.com, deutschesbureau.com, epostprospectlists.com and limslang.com.
These name servers are commonly used with ns-538.awsdns-03.net, ns-1306.awsdns-35.org, ns-1738.awsdns-25.co.uk, ns-234.awsdns-29.com and ns-1059.awsdns-04.org.
Host names with two IP numbers: ns-451.awsdns-56.com points to 2600:9000:5301:c300::1 and 205.251.193.195; ns-884.awsdns-46.net points to 2600:9000:5303:7400::1 and 205.251.195.116; ns-1309.awsdns-35.org points to 2600:9000:5305:1d00::1 and 205.251.197.29; ns-1581.awsdns-05.co.uk points to 2600:9000:5306:2d00::1 and 205.251.198.45.
Mail Servers
mastery.com is served by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mastery.com shares at least partially some mail servers with other domains, for instance godealergo.com, gzblog.it, ns500734.ns500693.ns500699.ns500699.ns500734.ns500734.ns500699.ns500699.ns500699.ns500699.ns500588.ns500632.ns500588.ns500632.dtrkdll.com, ns500671.ns500731.ns500671.ns500731.ns500754.ns500731.ns500671.ns500671.ns500731.ns500731.ns500291.ns500649.ns500649.ns500671.lusty(0x736c7574)z.com and kenyanow.org.
Mail servers frequently appear alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.
The host name aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26.
The host name aspmx.l.google.com points to 2607:f8b0:4023:c0d::1b and 74.125.137.26.
The host name alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27.
The host name alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.