mail.costkeep.com - robtex.com

mail.costkeep.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1b7b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8e95🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.123Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.27.123, 172.67.142.149
IPv62606:4700:3030::6815:1b7b, 2606:4700:3031::ac43:8e95

costkeep.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1b7b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8e95🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.123Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSeverton.ns.cloudflare.com ⭐
NSjillian.ns.cloudflare.com
MX_dc-mx.543b5348db72.costkeep.com ⭐
TXTgoogle-site-verification=q8E7bWcTC6rJyQ1ugoJWaEhFD6erTJb9WVB4tdD7YRM
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.27.123, 172.67.142.149
IPv62606:4700:3030::6815:1b7b, 2606:4700:3031::ac43:8e95
SOAeverton.ns.cloudflare.comdns@cloudflare.com serial=2397687482
WOT: SAFE (34/100)
WOT: SUSPICIOUS (1/100)

Previously MX for

costkeep.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.27.123172.67.142.1492606:4700:3030::6815:1b7b2606:4700:3031::ac43:8e95208.94.64.120
●A104.21.27.1232026-03-24 → 2026-03-24 · 2 obs
○ 2016-04-22 00:20:08
● 2026-03-24 19:39:46
●A172.67.142.1492026-03-24 → 2026-03-24 · 2 obs
○ 2016-04-22 00:20:08
● 2026-03-24 19:39:46
○A208.94.64.1202015-08-18 → 2016-04-22 · 3 obs
● 2015-08-18 14:47:00
● 2016-04-22 00:20:08
○ 2026-03-24 19:39:46
●A2606:4700:3030::6815:1b7b2026-03-24 → 2026-03-24 · 2 obs
○ 2016-04-22 00:20:08
● 2026-03-24 19:39:46
●A2606:4700:3031::ac43:8e952026-03-24 → 2026-03-24 · 2 obs
○ 2016-04-22 00:20:08
● 2026-03-24 19:39:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
costkeep.comjillian.ns.cloudflare.com, everton.ns.cloudflare.com12 records

✅ Authoritative Response

Server:172.64.35.201

NS records: jillian.ns.cloudflare.com, everton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costkeep.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.27.123, 172.67.142.149
AAAA22606:4700:3030::6815:1b7b, 2606:4700:3031::ac43:8e95
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.costkeep.com points to four IP numbers: 2606:4700:3030::6815:1b7b, 2606:4700:3031::ac43:8e95, 104.21.27.123 and 172.67.142.149.

Other host names, for instance martindale-hubbell.info, www.parsecdn.com, pafipckotamamasa.org, www.summitcivicfoundation.org and kazamatsuri.org share IP numbers with mail.costkeep.com.