mail.efirsta.com - robtex.com

mail.efirsta.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:610🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8629🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.16Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.41🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.16, 172.67.134.41
IPv6 hints2606:4700:3033::6815:610, 2606:4700:3035::ac43:8629
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com

efirsta.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:610🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8629🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.16Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.41🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScosmin.ns.cloudflare.com ⭐
NSkeyla.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.16, 172.67.134.41
IPv6 hints2606:4700:3033::6815:610, 2606:4700:3035::ac43:8629
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAcosmin.ns.cloudflare.comdns@cloudflare.com serial=2407708204

Previously MX for

efirsta.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.6.16172.67.134.412606:4700:3033::6815:6102606:4700:3035::ac43:8629211.88.2.46
●A104.21.6.162026-07-03 → 2026-07-03 · 2 obs
○ 2016-04-22 08:21:14
● 2026-07-03 10:12:04
●A172.67.134.412026-07-03 → 2026-07-03 · 2 obs
○ 2016-04-22 08:21:14
● 2026-07-03 10:12:04
○A211.88.2.462015-07-14 → 2016-04-22 · 3 obs
● 2015-07-14 18:39:04
● 2016-04-22 08:21:14
○ 2026-07-03 10:12:04
●A2606:4700:3033::6815:6102026-07-03 → 2026-07-03 · 2 obs
○ 2016-04-22 08:21:14
● 2026-07-03 10:12:04
●A2606:4700:3035::ac43:86292026-07-03 → 2026-07-03 · 2 obs
○ 2016-04-22 08:21:14
● 2026-07-03 10:12:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...-
efirsta.comkeyla.ns.cloudflare.com, cosmin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.170

NS records: keyla.ns.cloudflare.com, cosmin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efirsta.com (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.41, 104.21.6.16
AAAA22606:4700:3035::ac43:8629, 2606:4700:3033::6815:610
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.efirsta.com directs to four IP numbers, which are 104.21.6.16, 172.67.134.41, 2606:4700:3033::6815:610 and 2606:4700:3035::ac43:8629.

pro-climbing.ru, 0827x.com, editions-lepolemarque.com and two other host names share IP numbers with mail.efirsta.com.