mail.opcode.pl - dns.ninja

mail.opcode.pl

DNSSEC⚠️ Not signed
A91.227.122.4🇵🇱 UNIXSTORM-AS91.227.122.0/23 Unix Storm Michal Gottlieb
PTRk4.unixstorm.org

opcode.pl

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:9ccf🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:82b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.43Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.156.207🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgrace.ns.cloudflare.com ⭐
NSmemphis.ns.cloudflare.com
MXmail.opcode.pl ⭐
TXTgoogle-site-verification=vhJnZMLmzoHbTOLNaqP1k1es0i7zkPcC1nUspNOwkBY
TXTv=spf1 a mx ip4:91.227.122.4 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.43, 172.67.156.207
IPv6 hints2606:4700:3035::ac43:9ccf, 2606:4700:3036::6815:82b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOAgrace.ns.cloudflare.comdns@cloudflare.com serial=2410840220

MX for

opcode.pl

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A91.227.122.491.227.122.33
○A91.227.122.332015-06-19 → 2015-06-19 · 3 obs
● 2015-06-19 16:17:06
○ 2015-11-03 16:46:08
○ 2026-07-31 10:31:18
●A91.227.122.42015-11-03 → 2026-07-31 · 3 obs
○ 2015-06-19 16:17:06
● 2015-11-03 16:46:08
● 2026-07-31 10:31:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
opcode.plmemphis.ns.cloudflare.com, grace.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.189

NS records: memphis.ns.cloudflare.com, grace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opcode.pl (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

TypeCountSample Data
A191.227.122.4

Analysis

Mail Server Role

The mail server mail.opcode.pl processes email for opcode.pl.

IP Addresses

mail.opcode.pl resolves to just one IP address, 91.227.122.4.

Two other host names, along with dctk.wroc.pl, www.dctk.wroc.pl and maliart.pl, also share IP numbers with mail.opcode.pl.