mail.cptdb.ca - robtex.com

mail.cptdb.ca

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:b71b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:12b6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.182Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.27🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.182, 172.67.183.27
IPv6 hints2606:4700:3034::ac43:b71b, 2606:4700:3035::6815:12b6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com

cptdb.ca

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:b71b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:12b6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.182Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.27🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjerry.ns.cloudflare.com ⭐
NSraphaela.ns.cloudflare.com
MX_dc-mx.f68662c95489.cptdb.ca ⭐
TXTv=spf1 a mx ip4:2607:b7c0:1000:2025:0:0:0:1 ip6:2607:b7c0:1000:2025:0:0:0:1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.182, 172.67.183.27
IPv6 hints2606:4700:3034::ac43:b71b, 2606:4700:3035::6815:12b6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOAjerry.ns.cloudflare.comdns@cloudflare.com serial=2409493368
rank #295425 globally
rank #2887 in the tld
WOT: SAFE (61/100)
📈 Tranco rank: #85,133

Previously MX for

cptdb.ca

Same first word

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mail.itigo.jp
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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026A104.21.18.182172.67.183.272606:4700:3034::ac43:b71b2606:4700:3035::6815:12b6173.199.150.140188.114.96.0188.114.97.023.180.104.1192607:b7c0:1000:2025::12a06:98c1:3120::42a06:98c1:3121::496.30.5.216
●A104.21.18.1822026-07-20 → 2026-08-05 · 5 obs
○ 2026-02-24 04:16:20
● 2026-07-20 03:57:04
○ 2026-07-24 17:50:14
● 2026-07-24 18:45:02
● 2026-08-05 00:24:32
●A172.67.183.272026-07-20 → 2026-08-05 · 5 obs
○ 2026-02-24 04:16:20
● 2026-07-20 03:57:04
○ 2026-07-24 17:50:14
● 2026-07-24 18:45:02
● 2026-08-05 00:24:32
○A173.199.150.1402015-07-21 → 2016-02-25 · 4 obs
● 2015-07-21 12:56:10
● 2016-02-25 00:44:28
○ 2016-06-09 16:13:02
○ 2026-08-05 00:24:32
○A188.114.96.02026-07-24 → 2026-07-24 · 4 obs
○ 2026-07-20 03:57:04
● 2026-07-24 17:50:14
○ 2026-07-24 18:45:02
○ 2026-08-05 00:24:32
○A188.114.97.02026-07-24 → 2026-07-24 · 4 obs
○ 2026-07-20 03:57:04
● 2026-07-24 17:50:14
○ 2026-07-24 18:45:02
○ 2026-08-05 00:24:32
○A23.180.104.1192026-02-24 → 2026-02-24 · 4 obs
○ 2016-06-09 16:13:02
● 2026-02-24 04:16:20
○ 2026-07-20 03:57:04
○ 2026-08-05 00:24:32
●A2606:4700:3034::ac43:b71b2026-07-20 → 2026-08-05 · 5 obs
○ 2026-02-24 04:16:20
● 2026-07-20 03:57:04
○ 2026-07-24 17:50:14
● 2026-07-24 18:45:02
● 2026-08-05 00:24:32
●A2606:4700:3035::6815:12b62026-07-20 → 2026-08-05 · 5 obs
○ 2026-02-24 04:16:20
● 2026-07-20 03:57:04
○ 2026-07-24 17:50:14
● 2026-07-24 18:45:02
● 2026-08-05 00:24:32
○A2607:b7c0:1000:2025::12026-02-24 → 2026-02-24 · 4 obs
○ 2016-06-09 16:13:02
● 2026-02-24 04:16:20
○ 2026-07-20 03:57:04
○ 2026-08-05 00:24:32
○A2a06:98c1:3120::42026-07-24 → 2026-07-24 · 4 obs
○ 2026-07-20 03:57:04
● 2026-07-24 17:50:14
○ 2026-07-24 18:45:02
○ 2026-08-05 00:24:32
○A2a06:98c1:3121::42026-07-24 → 2026-07-24 · 4 obs
○ 2026-07-20 03:57:04
● 2026-07-24 17:50:14
○ 2026-07-24 18:45:02
○ 2026-08-05 00:24:32
○A96.30.5.2162016-06-09 → 2016-06-09 · 4 obs
○ 2016-02-25 00:44:28
● 2016-06-09 16:13:02
○ 2026-02-24 04:16:20
○ 2026-08-05 00:24:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
cptdb.cajerry.ns.cloudflare.com, raphaela.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.182

NS records: jerry.ns.cloudflare.com, raphaela.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cptdb.ca (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.183.27, 104.21.18.182
AAAA22606:4700:3035::6815:12b6, 2606:4700:3034::ac43:b71b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.cptdb.ca points to the four IP addresses 104.21.18.182, 172.67.183.27, 2606:4700:3034::ac43:b71b and 2606:4700:3035::6815:12b6.

quanly.tongkhobds.com, 2njjvc.cn, teamtriton.net plus two other host names have IP numbers in common with mail.cptdb.ca.