mailserver.expresshighs.com - robtex.com

mailserver.expresshighs.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:28c8🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b38🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.200🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.56🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.200, 172.66.43.56
IPv6 hints2606:4700:3108::ac42:28c8, 2606:4700:3108::ac42:2b38

expresshighs.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:28c8🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b38🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.200🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.56🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalexis.ns.cloudflare.com ⭐
NSfatima.ns.cloudflare.com
MX_dc-mx.fcbc0ea19f7a.expresshighs.com ⭐
TXTas=1634483225
TXTbrevo-code:8cf7981349a02f01e00700327d29d8d7
TXTv=spf1 ip4:104.128.228.76 ip4:31.220.2.103 a mx include:spf.fromdoppler.com i...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.200, 172.66.43.56
IPv6 hints2606:4700:3108::ac42:28c8, 2606:4700:3108::ac42:2b38
SOAalexis.ns.cloudflare.comdns@cloudflare.com serial=2400349360

Previously MX for

expresshighs.com

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A172.66.40.200172.66.43.562606:4700:3108::ac42:28c82606:4700:3108::ac42:2b38213.171.216.40
●A172.66.40.2002026-04-11 → 2026-04-11 · 2 obs
○ 2017-10-11 04:41:38
● 2026-04-11 20:45:44
●A172.66.43.562026-04-11 → 2026-04-11 · 2 obs
○ 2017-10-11 04:41:38
● 2026-04-11 20:45:44
○A213.171.216.402017-10-11 → 2017-10-11 · 2 obs
● 2017-10-11 04:41:38
○ 2026-04-11 20:45:44
●A2606:4700:3108::ac42:28c82026-04-11 → 2026-04-11 · 2 obs
○ 2017-10-11 04:41:38
● 2026-04-11 20:45:44
●A2606:4700:3108::ac42:2b382026-04-11 → 2026-04-11 · 2 obs
○ 2017-10-11 04:41:38
● 2026-04-11 20:45:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
expresshighs.comalexis.ns.cloudflare.com, fatima.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.188

NS records: alexis.ns.cloudflare.com, fatima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expresshighs.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.56, 172.66.40.200
AAAA22606:4700:3108::ac42:2b38, 2606:4700:3108::ac42:28c8
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mailserver.expresshighs.com maps to four IP numbers: 2606:4700:3108::ac42:28c8, 2606:4700:3108::ac42:2b38, 172.66.40.200 and 172.66.43.56.

Other host names, for instance www.iproxy.online, www.absen-europe.com, lta2020.leasetrader.com, www.saylor.org and keywestflmortgage.com share IP numbers with mailserver.expresshighs.com.