mail.esf2008.org - robtex.com

mail.esf2008.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:51c5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:923e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.197Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.62🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.197, 172.67.146.62
IPv6 hints2606:4700:3033::6815:51c5, 2606:4700:3033::ac43:923e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com

esf2008.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:51c5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:923e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.197Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.62🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
NSelsa.ns.cloudflare.com
MX_dc-mx.2633a962c47d.esf2008.org ⭐
TXTgoogle-site-verification=IpqnCAsbd9xdztwGJPkNB4AKFGc-SFcAIFt7qY0R1wY
TXTv=spf1 +mx +a +ip4:177.128.177.3 +include:spf.floripa.servidor.net.br include...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.197, 172.67.146.62
IPv6 hints2606:4700:3033::6815:51c5, 2606:4700:3033::ac43:923e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2399014790
WOT: UNKNOWN (60/100)

Previously MX for

esf2008.org

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.81.197172.67.146.622606:4700:3033::6815:51c52606:4700:3033::ac43:923e203.189.105.207
●A104.21.81.1972026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-17 16:12:36
● 2026-04-14 07:24:20
●A172.67.146.622026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-17 16:12:36
● 2026-04-14 07:24:20
○A203.189.105.2072015-05-13 → 2016-04-17 · 3 obs
● 2015-05-13 10:05:16
● 2016-04-17 16:12:36
○ 2026-04-14 07:24:20
●A2606:4700:3033::6815:51c52026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-17 16:12:36
● 2026-04-14 07:24:20
●A2606:4700:3033::ac43:923e2026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-17 16:12:36
● 2026-04-14 07:24:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
esf2008.orgbrett.ns.cloudflare.com, elsa.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.76

NS records: brett.ns.cloudflare.com, elsa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esf2008.org (unsigned zone)

⏱️ Timing

Total: 300ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.197, 172.67.146.62
AAAA22606:4700:3033::ac43:923e, 2606:4700:3033::6815:51c5
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.esf2008.org points to four IP numbers: 2606:4700:3033::6815:51c5, 2606:4700:3033::ac43:923e, 104.21.81.197 and 172.67.146.62.

Other host names, for instance ftp.comfirmprocess.com, oufv-defender.pro, waioafrica.com, szclsya.me and 2-us.com share IP numbers with mail.esf2008.org.