substack.ca - robtex.com

substack.ca

DNSSEC⚠️ Not signed
A2600:3c03::f03c:95ff:fe00:29ca🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:fe91:5d52🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:feed:4d4f🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:feed:cf2a🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A45.33.83.100🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies ✓ In HTTPS hints
A45.79.167.180🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies ✓ In HTTPS hints
A66.175.209.179🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies ✓ In HTTPS hints
A96.126.111.165🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies ✓ In HTTPS hints
NSbasi.ns.giantpanda.com ⭐ ⚠️ Not in parent delegation
A3.33.232.36🇺🇸 Amazon3.33.224.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
NSlunlun.ns.giantpanda.com ⚠️ Not in zone NS records
A75.2.60.62🇺🇸 Amazon75.2.60.0/24 Prod
PTRa96bd4be2a35efd86.awsglobalaccelerator.com
NSshishi.ns.giantpanda.com ⚠️ Not in parent delegation
A75.2.45.63🇺🇸 Amazon75.2.32.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
NSyangyang.ns.giantpanda.com ⚠️ Not in zone NS records
A99.83.188.43🇺🇸 Amazon99.83.176.0/20
PTRa96bd4be2a35efd86.awsglobalaccelerator.com
MXmail.mailerhost.net ⭐
A5.161.133.13🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24
PTRmail.mailerhost.net
A161.35.84.83🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean
PTRmail.mailerhost.net
TXTv=spf1 ip6:fd43:c0d1:c090::/48 -all
HTTPSHTTP/2, HTTP/3 ✓ hints match
IPv4 hints66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
IPv6 hints2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOAbasi.ns.giantpanda.comadmin@giantpanda.com 2013-02-04 #1

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=2607151400
⚠️ On DNS blocklist: tif

Same first word

substack.net
substack.support
substack.link
substack.co
substack.ai
substack.ca
substack.life
substack.info
substack.it
substack.com
substack.today

Similar names

usbstack.com
stabucks.com
substakc.com
bastucks.com

DNS History

17 records (13 active, 4 former)

NSbasi.ns.giantpanda.comlunlun.ns.giantpanda.comshishi.ns.giantpanda.comyangyang.ns.giantpanda.comlaunch1.spaceship.netlaunch2.spaceship.netMXmail.mailerhost.netA2600:3c03::f03c:95ff:fe00:29ca2600:3c03::f03c:95ff:fe91:5d522600:3c03::f03c:95ff:feed:4d4f2600:3c03::f03c:95ff:feed:cf2a45.33.83.10045.79.167.18066.175.209.17996.126.111.16544.232.173.24952.40.42.113
●NSbasi.ns.giantpanda.com2026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 10:26:14
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
○NSlaunch1.spaceship.net2026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 10:26:14
○ 2026-07-15 15:04:08
○ 2026-07-15 15:04:10
○NSlaunch2.spaceship.net2026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 10:26:14
○ 2026-07-15 15:04:08
○ 2026-07-15 15:04:10
●NSlunlun.ns.giantpanda.com2026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 10:26:14
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●NSshishi.ns.giantpanda.com2026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 10:26:14
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●NSyangyang.ns.giantpanda.com2026-07-15 → 2026-07-15 · 3 obs
○ 2026-05-24 10:26:14
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●MXmail.mailerhost.net2026-07-15 → 2026-07-15 · 2 obs
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A2600:3c03::f03c:95ff:fe00:29ca2026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A2600:3c03::f03c:95ff:fe91:5d522026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A2600:3c03::f03c:95ff:feed:4d4f2026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A2600:3c03::f03c:95ff:feed:cf2a2026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
○A44.232.173.2492026-05-24 → 2026-06-07 · 4 obs
● 2026-05-24 10:26:14
● 2026-06-07 19:15:52
○ 2026-07-10 12:14:50
○ 2026-07-15 15:04:10
●A45.33.83.1002026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A45.79.167.1802026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
○A52.40.42.1132026-05-24 → 2026-06-07 · 4 obs
● 2026-05-24 10:26:14
● 2026-06-07 19:15:52
○ 2026-07-10 12:14:50
○ 2026-07-15 15:04:10
●A66.175.209.1792026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10
●A96.126.111.1652026-07-15 → 2026-07-15 · 3 obs
○ 2026-07-10 12:14:50
● 2026-07-15 15:04:08
● 2026-07-15 15:04:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
substack.calunlun.ns.giantpanda.com, yangyang.ns.giantpanda.com-

✅ Authoritative Response

Server:75.2.60.62

NS records: lunlun.ns.giantpanda.com, yangyang.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for substack.ca (unsigned zone)

⏱️ Timing

Total: 1010ms | Queries: -

📄 Records

TypeCountSample Data
A496.126.111.165, 66.175.209.179...
AAAA42600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a...
NS2basi.ns.giantpanda.com, shishi.ns.giantpanda.com
MX1mail.mailerhost.net (pri: 1)
TXT1v=spf1 ip6:fd43:c0d1:c090::/48 -all
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1basi.ns.giantpanda.com admin.giantpanda.

Analysis

IP Addresses

substack.ca directs to 8 IP numbers: 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Two other host names, along with teknoprestij.com.com, 166rz65.link and effort.it, also share IP numbers with substack.ca.

Name Servers

The NS records for substack.ca point to four name servers: basi.ns.giantpanda.com, lunlun.ns.giantpanda.com, shishi.ns.giantpanda.com and yangyang.ns.giantpanda.com.

There is at least partial name server overlap between substack.ca and other domains — vexter.co.uk, panair.it, klin.it and two more among them.

These name servers are routinely deployed together with the name servers anan.ns.giantpanda.com.

The hosts basi.ns.giantpanda.com, lunlun.ns.giantpanda.com, shishi.ns.giantpanda.com and yangyang.ns.giantpanda.com all resolve to exactly one IP address each: 3.33.232.36, 75.2.60.62, 75.2.45.63 and 99.83.188.43 respectively.

Mail Servers

The sole mail server for substack.ca is mail.mailerhost.net.

Among the domains sharing a mail server setup with substack.ca are geekspart.com, www.wheeloflunch.com, cafebot.com and two others.

mail.mailerhost.net carries two IP numbers: 5.161.133.13 and 161.35.84.83.