mail.electro-optics.de - robtex.com

mail.electro-optics.de

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:e70🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:cae7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.112Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.231🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.112, 172.67.202.231
IPv6 hints2606:4700:3030::6815:e70, 2606:4700:3034::ac43:cae7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com

electro-optics.de

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:e70🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:cae7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.112Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.231🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfelicity.ns.cloudflare.com ⭐
NSkeira.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.112, 172.67.202.231
IPv6 hints2606:4700:3030::6815:e70, 2606:4700:3034::ac43:cae7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOAfelicity.ns.cloudflare.comdns@cloudflare.com serial=2398940164

PTR for

2.255.158.193.in-addr.arpa

Previously MX for

electro-optics.de

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.14.112172.67.202.2312606:4700:3030::6815:e702606:4700:3034::ac43:cae7172.64.80.1193.158.255.102606:4700:130:436c:6f75:6466:6c61:7265
●A104.21.14.1122026-03-20 → 2026-04-24 · 3 obs
○ 2026-03-15 04:27:10
● 2026-03-20 07:16:00
● 2026-04-24 05:45:36
○A172.64.80.12026-03-15 → 2026-03-15 · 4 obs
○ 2016-07-14 18:57:16
● 2026-03-15 04:27:10
○ 2026-03-20 07:16:00
○ 2026-04-24 05:45:36
●A172.67.202.2312026-03-20 → 2026-04-24 · 3 obs
○ 2026-03-15 04:27:10
● 2026-03-20 07:16:00
● 2026-04-24 05:45:36
○A193.158.255.102015-05-22 → 2016-07-14 · 4 obs
● 2015-05-22 15:03:02
● 2016-07-14 18:57:16
○ 2026-03-15 04:27:10
○ 2026-04-24 05:45:36
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-15 → 2026-03-15 · 4 obs
○ 2016-07-14 18:57:16
● 2026-03-15 04:27:10
○ 2026-03-20 07:16:00
○ 2026-04-24 05:45:36
●A2606:4700:3030::6815:e702026-03-20 → 2026-04-24 · 3 obs
○ 2026-03-15 04:27:10
● 2026-03-20 07:16:00
● 2026-04-24 05:45:36
●A2606:4700:3034::ac43:cae72026-03-20 → 2026-04-24 · 3 obs
○ 2026-03-15 04:27:10
● 2026-03-20 07:16:00
● 2026-04-24 05:45:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
electro-optics.dekeira.ns.cloudflare.com, felicity.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.206

NS records: keira.ns.cloudflare.com, felicity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for electro-optics.de (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.14.112, 172.67.202.231
AAAA22606:4700:3034::ac43:cae7, 2606:4700:3030::6815:e70
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.electro-optics.de points to four IP numbers: 2606:4700:3030::6815:e70, 2606:4700:3034::ac43:cae7, 104.21.14.112 and 172.67.202.231.

Other host names, for instance discover.boardbookit.com, www.institutobmfbovespa.org.br, learn-management.com, zombieresearch.org and dem2ra.lat share IP numbers with mail.electro-optics.de.