mail.simcoder.com - dns.ninja

mail.simcoder.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4d36🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:ccab🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.54Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.171🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.54, 172.67.204.171
IPv6 hints2606:4700:3030::6815:4d36, 2606:4700:3031::ac43:ccab
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com

simcoder.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4d36🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:ccab🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.54Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.171🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfish.ns.cloudflare.com ⭐
NShenrik.ns.cloudflare.com
MXsmtp.secureserver.net ⭐
MXmailstore1.secureserver.net(10)
TXTgoogle-site-verification=-YPYXJIFnZ8ck98KjSwYM6E0ffar71qHWSHWA96QGE4
TXTv=spf1 include:secureserver.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.54, 172.67.204.171
IPv6 hints2606:4700:3030::6815:4d36, 2606:4700:3031::ac43:ccab
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOAfish.ns.cloudflare.comdns@cloudflare.com serial=2408020006

Previously MX for

simcoder.com

Same first word

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DNS History

5 records (4 active, 1 former)

202120222023202420252026A104.21.77.54172.67.204.1712606:4700:3030::6815:4d362606:4700:3031::ac43:ccab108.167.140.124
●A104.21.77.542026-07-06 → 2026-07-06 · 3 obs
○ 2020-02-19 08:44:36
● 2026-07-06 22:53:12
● 2026-07-06 22:53:16
○A108.167.140.1242020-02-19 → 2020-02-19 · 3 obs
● 2020-02-19 08:44:36
○ 2026-07-06 22:53:12
○ 2026-07-06 22:53:16
●A172.67.204.1712026-07-06 → 2026-07-06 · 3 obs
○ 2020-02-19 08:44:36
● 2026-07-06 22:53:12
● 2026-07-06 22:53:16
●A2606:4700:3030::6815:4d362026-07-06 → 2026-07-06 · 3 obs
○ 2020-02-19 08:44:36
● 2026-07-06 22:53:12
● 2026-07-06 22:53:16
●A2606:4700:3031::ac43:ccab2026-07-06 → 2026-07-06 · 3 obs
○ 2020-02-19 08:44:36
● 2026-07-06 22:53:12
● 2026-07-06 22:53:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...-
simcoder.comfish.ns.cloudflare.com, henrik.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.105

NS records: fish.ns.cloudflare.com, henrik.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simcoder.com (unsigned zone)

⏱️ Timing

Total: 1028ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.77.54, 172.67.204.171
AAAA22606:4700:3031::ac43:ccab, 2606:4700:3030::6815:4d36
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (fish.ns.cloudflare.com, fish.ns.cloudflare.com, fish.ns.cloudflare.com...)

Analysis

IP Addresses

mail.simcoder.com points to the four IP addresses 104.21.77.54, 172.67.204.171, 2606:4700:3030::6815:4d36 and 2606:4700:3031::ac43:ccab.

Other host names, for instance foah.cn, itartass.spb.ru, www.filipstad.reumatikerforbundet.org and two other share IP numbers with mail.simcoder.com.