mail.tech-knowhow.com - dns.ninja

mail.tech-knowhow.com

DNSSEC⚠️ Not signed
A2a02:c207:2310:4191::1🇩🇪 CONTABO2a02:c207::/32
PTRvmi3104191.contaboserver.net
A217.76.49.84🇩🇪 CONTABO217.76.48.0/20

tech-knowhow.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:a890🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1ad7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.215Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.144🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScortney.ns.cloudflare.com ⭐
NSdave.ns.cloudflare.com
MXmail.tech-knowhow.com ⭐
TXTgoogle-site-verification=KOdWLOELXTovz6Q8eGdg2m201AjnWIAV2LAPOvx50TQ
TXTv=spf1 include:amazonses.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.215, 172.67.168.144
IPv6 hints2606:4700:3035::ac43:a890, 2606:4700:3037::6815:1ad7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOAcortney.ns.cloudflare.comdns@cloudflare.com serial=2407852255

MX for

tech-knowhow.com

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DNS History

2 records (2 active, 0 former)

A217.76.49.842a02:c207:2310:4191::1
●A217.76.49.842026-03-14 → 2026-06-30 · 2 obs
● 2026-03-14 11:16:50
● 2026-06-30 18:36:16
●A2a02:c207:2310:4191::12026-03-18 → 2026-06-30 · 3 obs
○ 2026-03-14 11:16:50
● 2026-03-18 08:48:18
● 2026-06-30 18:36:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...-
tech-knowhow.comdave.ns.cloudflare.com, cortney.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.87

NS records: dave.ns.cloudflare.com, cortney.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 529ms | Queries: -

📄 Records

TypeCountSample Data
A1217.76.49.84
AAAA12a02:c207:2310:4191::1

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

Mail for tech-knowhow.com is routed through the mail server mail.tech-knowhow.com.

IP Addresses

mail.tech-knowhow.com points to the IP addresses 217.76.49.84 and 2a02:c207:2310:4191::1

Other hosts including mail.digital-archivist.com, vmi3104191.contaboserver.net and mail.exclamation.co.nz share IP addresses with mail.tech-knowhow.com.