mail.c64os.com - robtex.com

mail.c64os.com

DNSSEC⚠️ Not signed
A138.197.74.199🇺🇸 DIGITALOCEAN138.197.64.0/20 DigitalOcean
PTRmail.c64os.com

c64os.com

DNSSEC⚠️ Not signed
A138.197.74.199🇺🇸 DIGITALOCEAN138.197.64.0/20 DigitalOcean
NSns-75.awsdns-09.com ⭐
NSns-1233.awsdns-26.org
NSns-1901.awsdns-45.co.uk
NSns-638.awsdns-15.net
MXmail.c64os.com ⭐
TXTv=spf1 ip4:138.197.74.199 include:_spf.google.com include:sender.zohobooks.co...
SOAns-75.awsdns-09.comawsdns-hostmaster@amazon.com serial=1

PTR for

199.74.197.138.in-addr.arpa

MX for

c64os.com

Same first word

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DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A138.197.74.199184.173.21.195
●A138.197.74.1992026-02-26 → 2026-04-12 · 3 obs
○ 2017-10-03 07:04:08
● 2026-02-26 13:40:48
● 2026-04-12 23:56:28
○A184.173.21.1952017-10-03 → 2017-10-03 · 3 obs
● 2017-10-03 07:04:08
○ 2026-02-26 13:40:48
○ 2026-04-12 23:56:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
c64os.comns-75.awsdns-09.com, ns-638.awsdns-15.net, ns-1233.awsdns-26.org, ns-1901.awsdns-45.co.uk1 record

✅ Authoritative Response

Server:205.251.199.109

NS records: ns-75.awsdns-09.com, ns-638.awsdns-15.net, ns-1233.awsdns-26.org, ns-1901.awsdns-45.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c64os.com (unsigned zone)

⏱️ Timing

Total: 191ms | Queries: -

📄 Records

TypeCountSample Data
A1138.197.74.199

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-75.awsdns-09.com)

Analysis

Mail Server Role

mail.c64os.com serves as the mail server for c64os.com.

IP Addresses

mail.c64os.com points to a single IP: 138.197.74.199.

Other host names, for example wingsos.org, nacu.ca, c64os.com and www.c64os.com share IP numbers with mail.c64os.com.