mail.blok21.com - robtex.com

mail.blok21.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:aed5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:37fd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.253Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.213🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.253, 172.67.174.213
IPv6 hints2606:4700:3031::ac43:aed5, 2606:4700:3037::6815:37fd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com

blok21.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:aed5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:37fd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.253Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.213🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelma.ns.cloudflare.com ⭐
NSkonnor.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTfacebook-domain-verification=po25b7cbw2cwfzqvsjhyplfm16eomx
TXTgoogle-site-verification=DEGtyhPuNEOU4TrThfkr3xfZ2FqRAQL9yUJaOsG8GMk
TXTgoogle-site-verification=kTMtBm2YvKmXylKLuPduHbvWhnyNCINkbMpxRN0tvsI
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.253, 172.67.174.213
IPv6 hints2606:4700:3031::ac43:aed5, 2606:4700:3037::6815:37fd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com
SOAelma.ns.cloudflare.comdns@cloudflare.com serial=2400681588

Previously MX for

blok21.com

Same first word

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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
blok21.comelma.ns.cloudflare.com, konnor.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.106

NS records: elma.ns.cloudflare.com, konnor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blok21.com (unsigned zone)

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.174.213, 104.21.55.253
AAAA22606:4700:3031::ac43:aed5, 2606:4700:3037::6815:37fd
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by mail.blok21.com: 2606:4700:3031::ac43:aed5, 2606:4700:3037::6815:37fd, 104.21.55.253 and 172.67.174.213.

other host names including qzsngsmm.com, black-jack.net.au, projon.net, jianyantang.top and dkyubiley.ru share IP numbers with mail.blok21.com.