mail.hydro.org - robtex.com

mail.hydro.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5154🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8ce8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.84Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.232🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.81.84, 172.67.140.232
IPv62606:4700:3030::6815:5154, 2606:4700:3030::ac43:8ce8

hydro.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5154🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8ce8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.84Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.232🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdakota.ns.cloudflare.com ⭐
NSmckinley.ns.cloudflare.com
MXhydro-org.mail.protection.outlook.com ⭐
TXTMS=ms37892130
TXTv=DMARC1; p=none; rua=mailto:masmare@ciracomcloud.com; ruf=mailto:masmare@cir...
TXTv=spf1 include:spf.protection.outlook.com include:ccsend.com include:u4984893...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.81.84, 172.67.140.232
IPv62606:4700:3030::6815:5154, 2606:4700:3030::ac43:8ce8
SOAdakota.ns.cloudflare.comdns@cloudflare.com serial=2399967980
WOT: SAFE (61/100)
rank #302200 globally
rank #22379 in the tld
WOT: SAFE (66/100)
📈 Tranco rank: #747,010

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DNS History

5 records (4 active, 1 former)

202120222023202420252026A104.21.81.84172.67.140.2322606:4700:3030::6815:51542606:4700:3030::ac43:8ce8CNAMEoutlook.office365.com
●A104.21.81.842026-03-28 → 2026-03-29 · 2 obs
● 2026-03-28 00:33:06
● 2026-03-29 00:21:32
●A172.67.140.2322026-03-28 → 2026-03-29 · 2 obs
● 2026-03-28 00:33:06
● 2026-03-29 00:21:32
●A2606:4700:3030::6815:51542026-03-28 → 2026-03-29 · 2 obs
● 2026-03-28 00:33:06
● 2026-03-29 00:21:32
●A2606:4700:3030::ac43:8ce82026-03-28 → 2026-03-29 · 2 obs
● 2026-03-28 00:33:06
● 2026-03-29 00:21:32
○CNAMEoutlook.office365.com2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 20:54:40
○ 2026-03-28 00:33:06
○ 2026-03-29 00:21:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
hydro.orgmckinley.ns.cloudflare.com, dakota.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.73

NS records: mckinley.ns.cloudflare.com, dakota.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hydro.org (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.84, 172.67.140.232
AAAA22606:4700:3030::6815:5154, 2606:4700:3030::ac43:8ce8
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.hydro.org points to four IP numbers: 2606:4700:3030::6815:5154, 2606:4700:3030::ac43:8ce8, 104.21.81.84 and 172.67.140.232.

For instance, other host names www.fetdaddy.com, premier.cuvoices.com, www.akamaicdn.cloud, ceramic-pro.de and c4ex.net share IP numbers with mail.hydro.org.