ldsci.ca - dns.ninja

ldsci.ca

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:83df🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:457🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.223🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSedna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A2803:f800:50::6ca2:c06d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRedna.ns.cloudflare.com
A2a06:98c1:50::ac40:206d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRedna.ns.cloudflare.com
A108.162.192.109🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A172.64.32.109🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
A173.245.58.109🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRedna.ns.cloudflare.com
NSfred.ns.cloudflare.com
A2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfred.ns.cloudflare.com
A2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfred.ns.cloudflare.com
A108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
TXTv=spf1 include:amazonses.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.87, 172.67.131.223
IPv6 hints2606:4700:3033::ac43:83df, 2606:4700:3037::6815:457
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOAedna.ns.cloudflare.comdns@cloudflare.com serial=2410850090

ca

DNSSEC🔒 Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2607312100

Same first word

ldsci.ca

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DNS History

13 records (7 active, 6 former)

NSedna.ns.cloudflare.comfred.ns.cloudflare.comMXinbound-smtp.us-east-1.amazonaws.comA104.21.4.87172.67.131.2232606:4700:3033::ac43:83df2606:4700:3037::6815:457188.114.96.0188.114.97.02606:4700:3034::6815:4572606:4700:3034::ac43:83df2a06:98c1:3120::2a06:98c1:3121::
●NSedna.ns.cloudflare.com2026-03-02 → 2026-07-31 · 2 obs
● 2026-03-02 04:31:20
● 2026-07-31 21:40:42
●NSfred.ns.cloudflare.com2026-03-02 → 2026-07-31 · 2 obs
● 2026-03-02 04:31:20
● 2026-07-31 21:40:42
●MXinbound-smtp.us-east-1.amazonaws.com2026-03-02 → 2026-07-31 · 2 obs
● 2026-03-02 04:31:20
● 2026-07-31 21:40:42
●A104.21.4.872026-03-02 → 2026-07-31 · 7 obs
● 2026-03-02 04:31:20
● 2026-05-09 14:02:30
○ 2026-05-18 13:32:50
● 2026-05-29 11:46:28
○ 2026-07-11 05:29:02
● 2026-07-20 08:43:26
● 2026-07-31 21:40:42
●A172.67.131.2232026-03-02 → 2026-07-31 · 7 obs
● 2026-03-02 04:31:20
● 2026-05-09 14:02:30
○ 2026-05-18 13:32:50
● 2026-05-29 11:46:28
○ 2026-07-11 05:29:02
● 2026-07-20 08:43:26
● 2026-07-31 21:40:42
○A188.114.96.02026-05-18 → 2026-07-11 · 7 obs
○ 2026-03-02 04:31:20
○ 2026-05-09 14:02:30
● 2026-05-18 13:32:50
○ 2026-05-29 11:46:28
● 2026-07-11 05:29:02
○ 2026-07-20 08:43:26
○ 2026-07-31 21:40:42
○A188.114.97.02026-05-18 → 2026-07-11 · 7 obs
○ 2026-03-02 04:31:20
○ 2026-05-09 14:02:30
● 2026-05-18 13:32:50
○ 2026-05-29 11:46:28
● 2026-07-11 05:29:02
○ 2026-07-20 08:43:26
○ 2026-07-31 21:40:42
●A2606:4700:3033::ac43:83df2026-07-20 → 2026-07-31 · 3 obs
○ 2026-07-11 05:29:02
● 2026-07-20 08:43:26
● 2026-07-31 21:40:42
○A2606:4700:3034::6815:4572026-03-02 → 2026-05-29 · 6 obs
● 2026-03-02 04:31:20
● 2026-05-09 14:02:30
○ 2026-05-18 13:32:50
● 2026-05-29 11:46:28
○ 2026-07-11 05:29:02
○ 2026-07-31 21:40:42
○A2606:4700:3034::ac43:83df2026-03-02 → 2026-05-29 · 6 obs
● 2026-03-02 04:31:20
● 2026-05-09 14:02:30
○ 2026-05-18 13:32:50
● 2026-05-29 11:46:28
○ 2026-07-11 05:29:02
○ 2026-07-31 21:40:42
●A2606:4700:3037::6815:4572026-07-20 → 2026-07-31 · 3 obs
○ 2026-07-11 05:29:02
● 2026-07-20 08:43:26
● 2026-07-31 21:40:42
○A2a06:98c1:3120::2026-05-18 → 2026-07-11 · 7 obs
○ 2026-03-02 04:31:20
○ 2026-05-09 14:02:30
● 2026-05-18 13:32:50
○ 2026-05-29 11:46:28
● 2026-07-11 05:29:02
○ 2026-07-20 08:43:26
○ 2026-07-31 21:40:42
○A2a06:98c1:3121::2026-05-18 → 2026-07-11 · 7 obs
○ 2026-03-02 04:31:20
○ 2026-05-09 14:02:30
● 2026-05-18 13:32:50
○ 2026-05-29 11:46:28
● 2026-07-11 05:29:02
○ 2026-07-20 08:43:26
○ 2026-07-31 21:40:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
caany.ca-servers.ca, j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca-
ldsci.caedna.ns.cloudflare.com, fred.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.109

NS records: edna.ns.cloudflare.com, fred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ldsci.ca (unsigned zone)

⏱️ Timing

Total: 614ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.131.223, 104.21.4.87
AAAA22606:4700:3033::ac43:83df, 2606:4700:3037::6815:457
NS2edna.ns.cloudflare.com, fred.ns.cloudflare.com
MX1inbound-smtp.us-east-1.amazonaws.com (pr
TXT1v=spf1 include:amazonses.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1edna.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

ldsci.ca resolves to four IP addresses: 104.21.4.87, 172.67.131.223, 2606:4700:3033::ac43:83df and 2606:4700:3037::6815:457.

Among the host names that share IP numbers with ldsci.ca are pulmonicworks.digital, mg4dhitsz3.lat, ns2.webhostingrecon.com and two others.

Name Servers

The NS records for ldsci.ca delegate to edna.ns.cloudflare.com and fred.ns.cloudflare.com.

ldsci.ca has the same name server delegation as a number of other domains, such as kruva.lt, baldheadisland.com, edgewaterbeach.com and two more.

ldsci.ca shares at least some of its name servers with other domains, including idex.live, uzujoti.top, richnaran.com and two others.

These name servers are frequently seen alongside the name servers fatima.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

edna.ns.cloudflare.com maps to 108.162.192.109, 172.64.32.109, 173.245.58.109 and 3 additional IP addresses.

fred.ns.cloudflare.com maps to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 additional IP addresses.

Mail Servers

ldsci.ca routes its mail through a single mail server, inbound-smtp.us-east-1.amazonaws.com.

ldsci.ca has the same mail server arrangement as a number of other domains, for example pulaskitimes.com, expo.academy, lemony-sq.slack.com and two more.

ldsci.ca shares at least some of its mail servers with other domains — for example kordit.atlassian.net, sublimegroup.atlassian.net, digitalkinetics.atlassian.net and two more.

It is common to find these mail servers paired with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.