mail.greatnetworking.com - robtex.com

mail.greatnetworking.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:da40🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:35c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.197Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.64🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.53.197, 172.67.218.64
IPv62606:4700:3035::ac43:da40, 2606:4700:3036::6815:35c5

greatnetworking.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:da40🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:35c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.197Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.64🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenna.ns.cloudflare.com ⭐
NSmitchell.ns.cloudflare.com
MXmail.greatnetworking.com ⭐
TXTv=spf1 ip4:66.226.14.81 ip4:66.226.27.224/27 ip4:216.10.240.224/27 a mx ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.53.197, 172.67.218.64
IPv62606:4700:3035::ac43:da40, 2606:4700:3036::6815:35c5
SOAbrenna.ns.cloudflare.comdns@cloudflare.com serial=2397234665

MX for

greatnetworking.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.53.197172.67.218.642606:4700:3035::ac43:da402606:4700:3036::6815:35c5216.10.248.254
●A104.21.53.1972026-02-15 → 2026-03-25 · 3 obs
○ 2016-09-21 18:32:30
● 2026-02-15 08:21:32
● 2026-03-25 18:31:54
●A172.67.218.642026-02-15 → 2026-03-25 · 3 obs
○ 2016-09-21 18:32:30
● 2026-02-15 08:21:32
● 2026-03-25 18:31:54
○A216.10.248.2542015-05-22 → 2016-09-21 · 4 obs
● 2015-05-22 08:25:50
● 2016-09-21 18:32:30
○ 2026-02-15 08:21:32
○ 2026-03-25 18:31:54
●A2606:4700:3035::ac43:da402026-02-15 → 2026-03-25 · 3 obs
○ 2016-09-21 18:32:30
● 2026-02-15 08:21:32
● 2026-03-25 18:31:54
●A2606:4700:3036::6815:35c52026-02-15 → 2026-03-25 · 3 obs
○ 2016-09-21 18:32:30
● 2026-02-15 08:21:32
● 2026-03-25 18:31:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...-
greatnetworking.combrenna.ns.cloudflare.com, mitchell.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.176

NS records: brenna.ns.cloudflare.com, mitchell.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greatnetworking.com (unsigned zone)

⏱️ Timing

Total: 102ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.218.64, 104.21.53.197
AAAA22606:4700:3035::ac43:da40, 2606:4700:3036::6815:35c5
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.greatnetworking.com serves as the mail server for greatnetworking.com.

IP Addresses

mail.greatnetworking.com maps to four IP numbers: 2606:4700:3035::ac43:da40, 2606:4700:3036::6815:35c5, 104.21.53.197 and 172.67.218.64.

Other host names, for instance instaupp.org, ujamii.com, blogstopt.com, playernet.no and jjxhwl.cn share IP numbers with mail.greatnetworking.com.