osa-training.com - robtex.com

osa-training.com

DNSSEC⚠️ Not signed
A208.94.107.115🇨🇦 FIBRENOIRE-INTERNET208.94.104.0/21 Fibrenoire Internet Inc.
PTRlinknowmedia.group
NSns1.linknowmedia.com ⭐
A138.197.107.185🇺🇸 DIGITALOCEAN138.197.96.0/20 DigitalOcean
PTRns1.linknowmedia.com
NSns2.linknowmedia.com
A206.189.67.145🇺🇸 DIGITALOCEAN206.189.64.0/20 DigitalOcean
PTRns2.linknowmedia.com
MXmail3.linknowmedia.cloud ⭐
A208.94.107.75🇨🇦 FIBRENOIRE-INTERNET208.94.104.0/21 Fibrenoire Internet Inc.
PTRmail3.linknowmedia.cloud
MXmail4.linknowmedia.cloud ⭐
A15.222.161.152🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
PTRec2-15-222-161-152.ca-central-1.compute.amazonaws.com
TXTv=spf1 include:relayhost1.linknowmedia.cloud include:relayhost2.linknowmedia....
SOAns1.linknowmedia.comsysadmin@linknowmedia.com 2026-02-07 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774646002

Same first word

osa-training.com

DNS History

21 records (5 active, 16 former)

200920112013201520172019202120232025NSns1.linknowmedia.comns2.linknowmedia.comns-1246.awsdns-27.orgns-2031.awsdns-61.co.ukns-216.awsdns-27.comns-646.awsdns-16.netns8.san.yahoo.comns9.san.yahoo.comyns1.yahoo.comyns2.yahoo.comMXmail3.linknowmedia.cloudmail4.linknowmedia.cloudmx1.biz.mail.yahoo.commx5.biz.mail.yahoo.comA208.94.107.115216.39.58.192216.39.58.208216.39.58.209216.39.58.235216.39.58.236216.39.58.237
○NSns-1246.awsdns-27.org2017-03-30 → 2017-03-30 · 4 obs
○ 2015-10-14 16:41:14
● 2017-03-30 11:54:20
○ 2026-02-15 21:17:32
○ 2026-03-27 21:39:32
○NSns-2031.awsdns-61.co.uk2017-03-30 → 2017-03-30 · 4 obs
○ 2015-10-14 16:41:14
● 2017-03-30 11:54:20
○ 2026-02-15 21:17:32
○ 2026-03-27 21:39:32
○NSns-216.awsdns-27.com2017-03-30 → 2017-03-30 · 4 obs
○ 2015-10-14 16:41:14
● 2017-03-30 11:54:20
○ 2026-02-15 21:17:32
○ 2026-03-27 21:39:32
○NSns-646.awsdns-16.net2017-03-30 → 2017-03-30 · 4 obs
○ 2015-10-14 16:41:14
● 2017-03-30 11:54:20
○ 2026-02-15 21:17:32
○ 2026-03-27 21:39:32
●NSns1.linknowmedia.com2026-02-15 → 2026-03-27 · 3 obs
○ 2017-03-30 11:54:20
● 2026-02-15 21:17:32
● 2026-03-27 21:39:32
●NSns2.linknowmedia.com2026-02-15 → 2026-03-27 · 3 obs
○ 2017-03-30 11:54:20
● 2026-02-15 21:17:32
● 2026-03-27 21:39:32
○NSns8.san.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○NSns9.san.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○NSyns1.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○NSyns2.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
●MXmail3.linknowmedia.cloud2026-02-15 → 2026-03-27 · 3 obs
○ 2015-10-14 16:41:14
● 2026-02-15 21:17:32
● 2026-03-27 21:39:32
●MXmail4.linknowmedia.cloud2026-02-15 → 2026-03-27 · 3 obs
○ 2015-10-14 16:41:14
● 2026-02-15 21:17:32
● 2026-03-27 21:39:32
○MXmx1.biz.mail.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○MXmx5.biz.mail.yahoo.com2008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
●A208.94.107.1152026-02-15 → 2026-03-27 · 3 obs
○ 2015-10-14 16:41:14
● 2026-02-15 21:17:32
● 2026-03-27 21:39:32
○A216.39.58.1922008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○A216.39.58.2082008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○A216.39.58.2092008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○A216.39.58.2352008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○A216.39.58.2362008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32
○A216.39.58.2372008-03-07 → 2008-03-07 · 3 obs
● 2008-03-07 20:21:54
○ 2015-10-14 16:41:14
○ 2026-03-27 21:39:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
osa-training.comns1.linknowmedia.com, ns2.linknowmedia.com2 records

✅ Authoritative Response

Server:138.197.107.185

NS records: ns1.linknowmedia.com, ns2.linknowmedia.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osa-training.com (unsigned zone)

⏱️ Timing

Total: 333ms | Queries: -

📄 Records

TypeCountSample Data
A1208.94.107.115
NS2ns2.linknowmedia.com, ns1.linknowmedia.com
MX2mail4.linknowmedia.cloud (pri: 0), mail3.linknowmedia.cloud (pri: 0)
TXT1v=spf1 include:relayhost1.linknowmedia.c
SOA1ns1.linknowmedia.com sysadmin.linknowmed

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.linknowmedia.com, ns2.linknowmedia.com)

Analysis

IP Addresses

osa-training.com resolves to a single IP address: 208.94.107.115.

Other host names including arrbinc.com, compacttractorandcomponents.com, raymondhymerplumbing.com, alohalimousineinc.com and mymantispestcontrol.com share IP numbers with osa-training.com.

Name Servers

osa-training.com's delegation uses two name servers, ns1.linknowmedia.com and ns2.linknowmedia.com.

osa-training.com shares the same name server setup as other domains, for example performanceautocenter.com, midnightrepair.com, mastermechanicalllc.com, apreciouspetresort.com and readyelectricaltx.com.

Host names with a single IP:

ns1.linknowmedia.com points to 138.197.107.185.

ns2.linknowmedia.com points to 206.189.67.145.

Mail Servers

osa-training.com is handled by two mail servers: mail3.linknowmedia.cloud and mail4.linknowmedia.cloud.

osa-training.com shares its mail server setup with other domains, including delucacabling.com, tammierothermel.com, linknowmedia.house, specialtyhandymanllc.com and juliaandfriends.com.

osa-training.com shares at least partially some mail servers with other domains, for instance linknowmedia.work, enmpaintingcontractors.com and gmbuildersinc.com.

Host names with a single IP:

mail3.linknowmedia.cloud points to 208.94.107.75.

mail4.linknowmedia.cloud points to 15.222.161.152.