mail.zender.be - robtex.com

mail.zender.be

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8767🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:1a34🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.52Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.103🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.52, 172.67.135.103
IPv6 hints2606:4700:3031::ac43:8767, 2606:4700:3036::6815:1a34
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com

zender.be

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8767🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:1a34🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.52Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.103🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamy.ns.cloudflare.com ⭐
NSwoz.ns.cloudflare.com
MXzender-be.mail.protection.outlook.com ⭐
TXTMS=ms22596256
TXTgoogle-site-verification=h2YldcfkbasJg9eT6ay06Hh7nXsZuF0D5AuVYI8oovI
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.52, 172.67.135.103
IPv6 hints2606:4700:3031::ac43:8767, 2606:4700:3036::6815:1a34
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2401798446

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.26.52172.67.135.1032606:4700:3031::ac43:87672606:4700:3036::6815:1a3481.82.208.156
●A104.21.26.522026-04-05 → 2026-05-11 · 3 obs
○ 2016-05-02 05:34:08
● 2026-04-05 20:36:36
● 2026-05-11 22:07:52
●A172.67.135.1032026-04-05 → 2026-05-11 · 3 obs
○ 2016-05-02 05:34:08
● 2026-04-05 20:36:36
● 2026-05-11 22:07:52
●A2606:4700:3031::ac43:87672026-04-05 → 2026-05-11 · 3 obs
○ 2016-05-02 05:34:08
● 2026-04-05 20:36:36
● 2026-05-11 22:07:52
●A2606:4700:3036::6815:1a342026-04-05 → 2026-05-11 · 3 obs
○ 2016-05-02 05:34:08
● 2026-04-05 20:36:36
● 2026-05-11 22:07:52
○A81.82.208.1562015-07-13 → 2016-05-02 · 4 obs
● 2015-07-13 19:20:32
● 2016-05-02 05:34:08
○ 2026-04-05 20:36:36
○ 2026-05-11 22:07:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bea.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be...-
zender.beamy.ns.cloudflare.com, woz.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.101

NS records: amy.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zender.be (unsigned zone)

⏱️ Timing

Total: 2814ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.52, 172.67.135.103
AAAA22606:4700:3036::6815:1a34, 2606:4700:3031::ac43:8767
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.zender.be maps to four IP numbers: 2606:4700:3031::ac43:8767, 2606:4700:3036::6815:1a34, 104.21.26.52 and 172.67.135.103.

Other host names such as renovadntaqui.sbs, oakmontvillagehoa.com, bulgariaflowers.com, robotel.com and yskfsvgksetur.online share IPs with mail.zender.be.