mail.sigma-7.com - robtex.com

mail.sigma-7.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cbe1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:4d1b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.27Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.225🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.27, 172.67.203.225
IPv6 hints2606:4700:3030::ac43:cbe1, 2606:4700:3032::6815:4d1b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=122, name=cloudflare-ech.com

sigma-7.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:cbe1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:4d1b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.27Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.225🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgreg.ns.cloudflare.com ⭐
NSlola.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.27, 172.67.203.225
IPv6 hints2606:4700:3030::ac43:cbe1, 2606:4700:3032::6815:4d1b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=122, name=cloudflare-ech.com
SOAgreg.ns.cloudflare.comdns@cloudflare.com serial=2398476624

Previously MX for

sigma-7.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.77.27172.67.203.2252606:4700:3030::ac43:cbe12606:4700:3032::6815:4d1b66.186.9.112
●A104.21.77.272026-02-16 → 2026-04-14 · 3 obs
○ 2016-04-12 14:02:58
● 2026-02-16 22:56:08
● 2026-04-14 13:44:58
●A172.67.203.2252026-02-16 → 2026-04-14 · 3 obs
○ 2016-04-12 14:02:58
● 2026-02-16 22:56:08
● 2026-04-14 13:44:58
●A2606:4700:3030::ac43:cbe12026-02-16 → 2026-04-14 · 3 obs
○ 2016-04-12 14:02:58
● 2026-02-16 22:56:08
● 2026-04-14 13:44:58
●A2606:4700:3032::6815:4d1b2026-02-16 → 2026-04-14 · 3 obs
○ 2016-04-12 14:02:58
● 2026-02-16 22:56:08
● 2026-04-14 13:44:58
○A66.186.9.1122015-06-25 → 2016-01-23 · 4 obs
● 2015-06-25 04:47:52
● 2016-01-23 23:47:20
○ 2016-04-12 14:02:58
○ 2026-04-14 13:44:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...-
sigma-7.comgreg.ns.cloudflare.com, lola.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.115

NS records: greg.ns.cloudflare.com, lola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigma-7.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.77.27, 172.67.203.225
AAAA22606:4700:3032::6815:4d1b, 2606:4700:3030::ac43:cbe1
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by mail.sigma-7.com: 2606:4700:3030::ac43:cbe1, 2606:4700:3032::6815:4d1b, 104.21.77.27 and 172.67.203.225.

other host names including www.free(0x706f726e687562)s.com, artsrebro.pl, booking.confirmation-id53457895.com, wiki-cms.com and (0x666574697368).meibalon.tech share IP numbers with mail.sigma-7.com.