mail.mark4os.com - robtex.com

mail.mark4os.com

DNSSEC⚠️ Not signed
A67.208.184.42🇺🇸 CROWNCASTLE-AS4688767.208.184.0/24 CCFL-10 WB Mason Company
PTR67.208.184.42.nyc.electricfiber.net

mark4os.com

DNSSEC⚠️ Not signed
A67.208.184.170🇺🇸 CROWNCASTLE-AS4688767.208.184.0/24 CCFL-10 WB Mason Company
NSns1-03.azure-dns.com ⭐
NSns2-03.azure-dns.net
NSns3-03.azure-dns.org
NSns4-03.azure-dns.info
MXmail.mark4os.com ⭐
SOAns1-03.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

MX for

mark4os.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A67.208.184.42216.52.118.219
○A216.52.118.2192015-05-28 → 2016-07-24 · 4 obs
● 2015-05-28 18:58:06
● 2016-07-24 16:28:20
○ 2026-02-27 03:07:20
○ 2026-03-23 18:05:24
●A67.208.184.422026-02-27 → 2026-03-23 · 3 obs
○ 2016-07-24 16:28:20
● 2026-02-27 03:07:20
● 2026-03-23 18:05:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
mark4os.comns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info2 records

✅ Authoritative Response

Server:204.14.183.3

NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mark4os.com (unsigned zone)

⏱️ Timing

Total: 221ms | Queries: -

📄 Records

TypeCountSample Data
A167.208.184.42

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)

Analysis

Mail Server Role

mail.mark4os.com serves as the mail server for mark4os.com.

IP Addresses

mail.mark4os.com points to an IP address: 67.208.184.42.

other host names include mail.2bsmarter.com, mail.shipleysx-tra.com, mail.officelandma.com, mail.whattabargain.com and mail.abcpaper.net; they share IP numbers with mail.mark4os.com.