mail.professionalweek.com - robtex.com

mail.professionalweek.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:866e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:19b0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.176Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.110🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.176, 172.67.134.110
IPv6 hints2606:4700:3035::ac43:866e, 2606:4700:3037::6815:19b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com

professionalweek.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:866e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:19b0🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.176Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.110🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbob.ns.cloudflare.com ⭐
NSdolly.ns.cloudflare.com
MX_dc-mx.5eb0055d0a2c.professionalweek.com ⭐
TXTv=spf1 ip4:162.214.72.142 +a +mx +ip4:162.214.72.142 +ip4:162.214.72.142 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.176, 172.67.134.110
IPv6 hints2606:4700:3035::ac43:866e, 2606:4700:3037::6815:19b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOAbob.ns.cloudflare.comdns@cloudflare.com serial=2399400566

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DNS History

4 records (4 active, 0 former)

A104.21.25.176172.67.134.1102606:4700:3035::ac43:866e2606:4700:3037::6815:19b0
●A104.21.25.1762026-04-11 → 2026-04-15 · 2 obs
● 2026-04-11 15:54:32
● 2026-04-15 15:54:34
●A172.67.134.1102026-04-11 → 2026-04-15 · 2 obs
● 2026-04-11 15:54:32
● 2026-04-15 15:54:34
●A2606:4700:3035::ac43:866e2026-04-11 → 2026-04-15 · 2 obs
● 2026-04-11 15:54:32
● 2026-04-15 15:54:34
●A2606:4700:3037::6815:19b02026-04-11 → 2026-04-15 · 2 obs
● 2026-04-11 15:54:32
● 2026-04-15 15:54:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
professionalweek.combob.ns.cloudflare.com, dolly.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.98

NS records: bob.ns.cloudflare.com, dolly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professionalweek.com (unsigned zone)

⏱️ Timing

Total: 122ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.25.176, 172.67.134.110
AAAA22606:4700:3037::6815:19b0, 2606:4700:3035::ac43:866e
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.professionalweek.com resolves to four IP numbers: 2606:4700:3035::ac43:866e, 2606:4700:3037::6815:19b0, 104.21.25.176 and 172.67.134.110.

Other host names such as tangoherbs.com, chocolate-bit.ch, jugand.in, www.pembina.com.my.cdn.cloudflare.net and infra-metricsfusion.digital share IPs with mail.professionalweek.com.