mail.linktool.de - robtex.com

mail.linktool.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5a1e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c1c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.30Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.30, 172.67.193.197
IPv6 hints2606:4700:3033::6815:5a1e, 2606:4700:3036::ac43:c1c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com

linktool.de

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5a1e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c1c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.30Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbart.ns.cloudflare.com ⭐
NShazel.ns.cloudflare.com
MXmail.linktool.de ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.30, 172.67.193.197
IPv6 hints2606:4700:3033::6815:5a1e, 2606:4700:3036::ac43:c1c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com
SOAbart.ns.cloudflare.comdns@cloudflare.com serial=2397423398

MX for

linktool.de

Same first word

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DNS History

5 records (4 active, 1 former)

A104.21.90.30172.67.193.1972606:4700:3033::6815:5a1e2606:4700:3036::ac43:c1c5176.9.183.55
●A104.21.90.302026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 07:08:22
● 2026-04-14 01:03:50
●A172.67.193.1972026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 07:08:22
● 2026-04-14 01:03:50
○A176.9.183.552026-02-27 → 2026-04-14 · 2 obs
○ 2026-02-27 07:08:22
○ 2026-04-14 01:03:50
●A2606:4700:3033::6815:5a1e2026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 07:08:22
● 2026-04-14 01:03:50
●A2606:4700:3036::ac43:c1c52026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 07:08:22
● 2026-04-14 01:03:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
linktool.dehazel.ns.cloudflare.com, bart.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.157

NS records: hazel.ns.cloudflare.com, bart.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linktool.de (unsigned zone)

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.193.197, 104.21.90.30
AAAA22606:4700:3036::ac43:c1c5, 2606:4700:3033::6815:5a1e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.linktool.de functions as a mail server for linktool.de.

IP Addresses

mail.linktool.de resolves to four IP numbers: 2606:4700:3033::6815:5a1e, 2606:4700:3036::ac43:c1c5, 104.21.90.30 and 172.67.193.197.

Other host names such as uyupeyu.top, k74zz.com, st21.com.br, www.wssiptv.com and ds854.com share IPs with mail.linktool.de.