mail.sc0.de - robtex.com

mail.sc0.de

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8224🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:31d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.29Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.36🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.29, 172.67.130.36
IPv6 hints2606:4700:3034::ac43:8224, 2606:4700:3036::6815:31d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com

sc0.de

DNSSEC🔒 Signed (DS record present)
A2606:4700:3034::ac43:8224🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:31d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.29Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.36🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfatima.ns.cloudflare.com ⭐
NSjavier.ns.cloudflare.com
MXmx2f3e.netcup.net ⭐
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.29, 172.67.130.36
IPv6 hints2606:4700:3034::ac43:8224, 2606:4700:3036::6815:31d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOAfatima.ns.cloudflare.comdns@cloudflare.com serial=2411388301

Previously MX for

sc0.de

Same first word

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DNS History

6 records (4 active, 2 former)

A104.21.3.29172.67.130.362606:4700:3034::ac43:82242606:4700:3036::6815:31d202.61.239.872a03:4000:5c:be9:74b9:39ff:febc:c563
●A104.21.3.292026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 03:49:04
● 2026-08-06 05:54:24
●A172.67.130.362026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 03:49:04
● 2026-08-06 05:54:24
○A202.61.239.872026-08-06 → 2026-08-06 · 2 obs
○ 2026-08-06 03:49:04
○ 2026-08-06 05:54:24
●A2606:4700:3034::ac43:82242026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 03:49:04
● 2026-08-06 05:54:24
●A2606:4700:3036::6815:31d2026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 03:49:04
● 2026-08-06 05:54:24
○A2a03:4000:5c:be9:74b9:39ff:febc:c5632026-08-06 → 2026-08-06 · 2 obs
○ 2026-08-06 03:49:04
○ 2026-08-06 05:54:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
sc0.defatima.ns.cloudflare.com, javier.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.204

NS records: fatima.ns.cloudflare.com, javier.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 519ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.29, 172.67.130.36
AAAA22606:4700:3034::ac43:8224, 2606:4700:3036::6815:31d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.sc0.de resolves to four IP addresses: 104.21.3.29, 172.67.130.36, 2606:4700:3034::ac43:8224 and 2606:4700:3036::6815:31d.

Among the host names that share IP numbers with mail.sc0.de are pr.s12.com.br, apctg.com, pco110.com and two others.