mail.koprunet.com - robtex.com

mail.koprunet.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:47f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8416🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.22🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.127, 172.67.132.22
IPv6 hints2606:4700:3034::6815:47f, 2606:4700:3035::ac43:8416
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com

koprunet.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:47f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8416🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.22🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadele.ns.cloudflare.com ⭐
NSrajeev.ns.cloudflare.com
TXTv=spf1 ip4:159.223.56.145~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.127, 172.67.132.22
IPv6 hints2606:4700:3034::6815:47f, 2606:4700:3035::ac43:8416
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAadele.ns.cloudflare.comdns@cloudflare.com serial=2403813176

Previously MX for

koprunet.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.4.127172.67.132.222606:4700:3034::6815:47f2606:4700:3035::ac43:841693.89.232.36
●A104.21.4.1272026-04-10 → 2026-05-11 · 3 obs
○ 2016-12-25 14:36:16
● 2026-04-10 09:21:40
● 2026-05-11 15:39:48
●A172.67.132.222026-04-10 → 2026-05-11 · 3 obs
○ 2016-12-25 14:36:16
● 2026-04-10 09:21:40
● 2026-05-11 15:39:48
●A2606:4700:3034::6815:47f2026-04-10 → 2026-05-11 · 3 obs
○ 2016-12-25 14:36:16
● 2026-04-10 09:21:40
● 2026-05-11 15:39:48
●A2606:4700:3035::ac43:84162026-04-10 → 2026-05-11 · 3 obs
○ 2016-12-25 14:36:16
● 2026-04-10 09:21:40
● 2026-05-11 15:39:48
○A93.89.232.362015-07-14 → 2016-12-25 · 4 obs
● 2015-07-14 13:09:16
● 2016-12-25 14:36:16
○ 2026-04-10 09:21:40
○ 2026-05-11 15:39:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
koprunet.comrajeev.ns.cloudflare.com, adele.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.224

NS records: rajeev.ns.cloudflare.com, adele.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koprunet.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.4.127, 172.67.132.22
AAAA22606:4700:3035::ac43:8416, 2606:4700:3034::6815:47f
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.koprunet.com resolves to four IPs: 2606:4700:3034::6815:47f, 2606:4700:3035::ac43:8416, 104.21.4.127 and 172.67.132.22.

Other host names, for instance app.ping42.workers.dev, www.benbaril.com, pafilubukbatujaya.org, www.sumostaffing.com and roulettefrancaise.net share IP numbers with mail.koprunet.com.