mastery.com - robtex.com

mastery.com

DNSSECโš ๏ธ Not signed
A162.159.134.42Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns-451.awsdns-56.com โญ
A2600:9000:5301:c300::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5301::/48 - CloudFront
PTRns-451.awsdns-56.com
A205.251.193.195๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.193.0/24 prefix
PTRns-451.awsdns-56.com
NSns-1309.awsdns-35.org
A2600:9000:5305:1d00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5305::/48 - CloudFront
PTRns-1309.awsdns-35.org
A205.251.197.29๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.197.0/24 prefix
PTRns-1309.awsdns-35.org
NSns-1581.awsdns-05.co.uk
A2600:9000:5306:2d00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5306::/48 - CloudFront
PTRns-1581.awsdns-05.co.uk
A205.251.198.45๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.198.0/24 prefix
PTRns-1581.awsdns-05.co.uk
NSns-884.awsdns-46.net
A2600:9000:5303:7400::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5303::/48 - CloudFront
PTRns-884.awsdns-46.net
A205.251.195.116๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.195.0/24 prefix
PTRns-884.awsdns-46.net
MXaspmx.l.google.com โญ
A2607:f8b0:4023:c0d::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.26๐Ÿ‡บ๐Ÿ‡ธ Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4023:2801::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(30)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(40)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.27๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(50)
A2607:f8b0:4023:1015::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
TXT283fxhjhq5h4qbqbs2ypc3s2m295cn9c
TXTbrevo-code:a4bcf261e07d0548bab76e4420cb42df
TXTgoogle-site-verification=3Lo2009qjRgb78yF-eTenHGGcwO7JcZIOTbmN8pMNP4
TXTgoogle-site-verification=ESQtlcyPSH-2unKSdeJZQwn9rGt4-9iC92JKe62bxOo
TXTgoogle-site-verification=EppM3aNgHGn6aSjmr51jMNiEFWcMIbbS20420p_ZB_0
TXTgoogle-site-verification=Tjmw05f23X-wkdZnDrPVYYW5sRFc9rCf-41y1y59K5s
TXTgoogle-site-verification=pPKuevZDRdgFV9-u7yw_yi7RsyKMpBA7NZ13tPQwbc4
TXTlpklttx9h91ryh3qvlnr6nhmt30gb89w
TXTv=spf1 include:_spf.google.com include:transmail.net include:jangomail.com a...
SOAns-451.awsdns-56.comawsdns-hostmaster@amazon.com serial=1

com

Subdomains

Same first word

Similar names

DNS History

15 records (10 active, 5 former)

20162017201820192020202120222023202420252026NSns-1309.awsdns-35.orgns-1581.awsdns-05.co.ukns-451.awsdns-56.comns-884.awsdns-46.netpdns01.domaincontrol.compdns02.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA162.159.134.42198.65.98.22534.196.128.1554.87.15.45
โ—NSns-1309.awsdns-35.org2018-07-15 โ†’ 2026-04-11 ยท 3 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ— 2026-04-11 18:00:36
โ—NSns-1581.awsdns-05.co.uk2018-07-15 โ†’ 2026-04-11 ยท 3 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ— 2026-04-11 18:00:36
โ—NSns-451.awsdns-56.com2018-07-15 โ†’ 2026-04-11 ยท 3 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ— 2026-04-11 18:00:36
โ—NSns-884.awsdns-46.net2018-07-15 โ†’ 2026-04-11 ยท 3 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ— 2026-04-11 18:00:36
โ—‹NSpdns01.domaincontrol.com2015-05-24 โ†’ 2017-01-12 ยท 4 obs
โ— 2015-05-24 14:34:20
โ— 2017-01-12 22:52:30
โ—‹ 2018-07-15 16:33:08
โ—‹ 2026-04-11 18:00:36
โ—‹NSpdns02.domaincontrol.com2015-05-24 โ†’ 2017-01-12 ยท 4 obs
โ— 2015-05-24 14:34:20
โ— 2017-01-12 22:52:30
โ—‹ 2018-07-15 16:33:08
โ—‹ 2026-04-11 18:00:36
โ—MXalt1.aspmx.l.google.com2015-05-24 โ†’ 2026-04-11 ยท 2 obs
โ— 2015-05-24 14:34:20
โ— 2026-04-11 18:00:36
โ—MXalt2.aspmx.l.google.com2015-05-24 โ†’ 2026-04-11 ยท 2 obs
โ— 2015-05-24 14:34:20
โ— 2026-04-11 18:00:36
โ—MXaspmx.l.google.com2015-05-24 โ†’ 2026-04-11 ยท 2 obs
โ— 2015-05-24 14:34:20
โ— 2026-04-11 18:00:36
โ—MXaspmx2.googlemail.com2015-05-24 โ†’ 2026-04-11 ยท 2 obs
โ— 2015-05-24 14:34:20
โ— 2026-04-11 18:00:36
โ—MXaspmx3.googlemail.com2015-05-24 โ†’ 2026-04-11 ยท 2 obs
โ— 2015-05-24 14:34:20
โ— 2026-04-11 18:00:36
โ—A162.159.134.422026-03-25 โ†’ 2026-04-11 ยท 3 obs
โ—‹ 2018-07-15 16:33:08
โ— 2026-03-25 05:50:20
โ— 2026-04-11 18:00:36
โ—‹A198.65.98.2252015-05-24 โ†’ 2017-01-12 ยท 4 obs
โ— 2015-05-24 14:34:20
โ— 2017-01-12 22:52:30
โ—‹ 2018-07-15 16:33:08
โ—‹ 2026-04-11 18:00:36
โ—‹A34.196.128.152018-07-15 โ†’ 2018-07-15 ยท 4 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ—‹ 2026-03-25 05:50:20
โ—‹ 2026-04-11 18:00:36
โ—‹A54.87.15.452018-07-15 โ†’ 2018-07-15 ยท 4 obs
โ—‹ 2017-01-12 22:52:30
โ— 2018-07-15 16:33:08
โ—‹ 2026-03-25 05:50:20
โ—‹ 2026-04-11 18:00:36

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
mastery.comns-451.awsdns-56.com, ns-884.awsdns-46.net, ns-1581.awsdns-05.co.uk, ns-1309.awsdns-35.org1 record

โœ… 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

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for mastery.com (unsigned zone)

โฑ๏ธ Timing

Total: 580ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1162.159.134.42
NS4ns-1309.awsdns-35.org, ns-1581.awsdns-05.co.uk...
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT9283fxhjhq5h4qbqbs2ypc3s2m295cn9c, brevo-code:a4bcf261e07d0548bab76e4420cb4...
SOA1ns-451.awsdns-56.com awsdns-hostmaster.a

๐Ÿ“Œ 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.