smtp.protecmail.com - robtex.com

smtp.protecmail.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:34ef🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:cd77🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.239Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.119🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.239, 172.67.205.119
IPv6 hints2606:4700:3036::6815:34ef, 2606:4700:3036::ac43:cd77
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com

protecmail.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:34ef🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:cd77🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.239Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.119🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoco.ns.cloudflare.com ⭐
NShank.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(25)
MXroute2.mx.cloudflare.net(78)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.239, 172.67.205.119
IPv6 hints2606:4700:3036::6815:34ef, 2606:4700:3036::ac43:cd77
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOAcoco.ns.cloudflare.comdns@cloudflare.com serial=2399592637
WOT: SAFE (64/100)
WOT: SAFE (78/100)

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.52.239172.67.205.1192606:4700:3036::6815:34ef2606:4700:3036::ac43:cd7746.105.152.28
●A104.21.52.2392026-03-04 → 2026-04-15 · 3 obs
○ 2016-06-22 11:59:12
● 2026-03-04 01:18:28
● 2026-04-15 00:02:44
●A172.67.205.1192026-03-04 → 2026-04-15 · 3 obs
○ 2016-06-22 11:59:12
● 2026-03-04 01:18:28
● 2026-04-15 00:02:44
●A2606:4700:3036::6815:34ef2026-03-04 → 2026-04-15 · 3 obs
○ 2016-06-22 11:59:12
● 2026-03-04 01:18:28
● 2026-04-15 00:02:44
●A2606:4700:3036::ac43:cd772026-03-04 → 2026-04-15 · 3 obs
○ 2016-06-22 11:59:12
● 2026-03-04 01:18:28
● 2026-04-15 00:02:44
○A46.105.152.282015-07-13 → 2016-06-22 · 4 obs
● 2015-07-13 20:53:58
● 2016-06-22 11:59:12
○ 2026-03-04 01:18:28
○ 2026-04-15 00:02:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...-
protecmail.comhank.ns.cloudflare.com, coco.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.104

NS records: hank.ns.cloudflare.com, coco.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protecmail.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.119, 104.21.52.239
AAAA22606:4700:3036::ac43:cd77, 2606:4700:3036::6815:34ef
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hank.ns.cloudflare.com, hank.ns.cloudflare.com, hank.ns.cloudflare.com...)

Analysis

IP Addresses

smtp.protecmail.com points to four IP numbers: 2606:4700:3036::6815:34ef, 2606:4700:3036::ac43:cd77, 104.21.52.239 and 172.67.205.119.

Other host names, for instance www.xingjumenye.com, chromecast.smplayer.info, infinitydiode.com, www.infinitydiode.com and suachuamaytinh79.com share IP numbers with smtp.protecmail.com.