mail.toolguide.com - robtex.com

mail.toolguide.com

CNAMEtoolguide.com
DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b45f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:122b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.43Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.95🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcass.ns.cloudflare.com
A2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcass.ns.cloudflare.com
A108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
NSjustin.ns.cloudflare.com
A2606:4700:58::adf5:3bbb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjustin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjustin.ns.cloudflare.com
A108.162.193.187🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A172.64.33.187🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A173.245.59.187🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTgoogle-site-verification=_dphHIglIs3Gfu8YX1lU5vtBLUIyjYLshkAub-e97Kg
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.43, 172.67.180.95
IPv6 hints2606:4700:3031::ac43:b45f, 2606:4700:3034::6815:122b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2411655838

toolguide.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b45f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:122b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.43Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.95🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
NSjustin.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
MXin2-smtp.messagingengine.com(20)
TXTgoogle-site-verification=_dphHIglIs3Gfu8YX1lU5vtBLUIyjYLshkAub-e97Kg
TXTv=spf1 include:spf.messagingengine.com ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.43, 172.67.180.95
IPv6 hints2606:4700:3031::ac43:b45f, 2606:4700:3034::6815:122b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2411655838

Previously MX for

toolguide.com

Same first word

mail.ufcfan.org
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mail.lt
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mail.sl
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mail.global
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imal.no

DNS History

3 records (2 active, 1 former)

201820192020202120222023202420252026A52.203.208.11769.195.124.110CNAMEtoolguide.com
●A52.203.208.1172026-08-13 → 2026-08-13 · 3 obs
○ 2017-03-17 18:53:58
● 2026-08-13 20:31:12
● 2026-08-13 20:31:14
○A69.195.124.1102017-03-17 → 2017-03-17 · 3 obs
● 2017-03-17 18:53:58
○ 2026-08-13 20:31:12
○ 2026-08-13 20:31:14
●CNAMEtoolguide.com2026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 20:31:12
● 2026-08-13 20:31:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
toolguide.comcass.ns.cloudflare.com, justin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.187

NS records: cass.ns.cloudflare.com, justin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for toolguide.com (unsigned zone)

⏱️ Timing

Total: 869ms | Queries: -

📄 Records

TypeCountSample Data
A152.203.208.117
CNAME1toolguide.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.toolguide.com has four IP addresses: 104.21.18.43, 172.67.180.95, 2606:4700:3031::ac43:b45f and 2606:4700:3034::6815:122b.

Additional host names — elvorynqualt.com, brandizor.com, printshop.com and two others — share IP numbers with mail.toolguide.com.

Name Servers

The NS records for mail.toolguide.com delegate to cass.ns.cloudflare.com and justin.ns.cloudflare.com.

mail.toolguide.com shares its name server setup with other domains, including paceglobalhr.com, speedtransitparcel.com, isinergia.cl and two others.

mail.toolguide.com partially shares its NS delegation with several other domains, including nightnebula.xyz, farenocs.com, atishay.info and two others.

These name servers often co-occur with the name servers nitin.ns.cloudflare.com.

Host names with 6 IP numbers:

cass.ns.cloudflare.com maps to 108.162.192.81, 172.64.32.81, 173.245.58.81 and 3 additional IP addresses.

justin.ns.cloudflare.com maps to 108.162.193.187, 172.64.33.187, 173.245.59.187 and 3 additional IP addresses.

Mail Servers

mail.toolguide.com has two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

mail.toolguide.com shares the same mail server setup as other domains, including londoncalling.co, pi-xi.net, opus1.us and two others.

Host names with 8 IP numbers:

in1-smtp.messagingengine.com maps to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 additional IP addresses.

Host names resolving to four IP addresses:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.