mathdoctor.ca - robtex.com

mathdoctor.ca

DNSSEC⚠️ Not signed
A2606:4700:130:436c:6f75:6466:6c61:7265🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.80.1🇺🇸 Cloudflare172.64.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NSarvind.ns.cloudflare.com
A2606:4700:58::a29f:2ce3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A2803:f800:50::6ca2:c3e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarvind.ns.cloudflare.com
A2a06:98c1:50::ac40:23e3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarvind.ns.cloudflare.com
A108.162.195.227🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A162.159.44.227Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
A172.64.35.227🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarvind.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTgoogle-site-verification=IHi1Ni52fUGr1GXVHPF73Gxvy6B2CUYTnOrvVrDpC14
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4172.64.80.1
IPv62606:4700:130:436c:6f75:6466:6c61:7265
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2398569671

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=2603150330

Same first word

mathdoctor.ca
mathdoctor.com
mathdoctor.azurewebsites.net
mathdoctor.org
mathdoctor.net

Similar names

doctormath.com
doctormath.org
tatchodrom.com
doctormath.net
matchdotor.com

DNS History

17 records (9 active, 8 former)

NSamanda.ns.cloudflare.comarvind.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA172.64.80.12606:4700:130:436c:6f75:6466:6c61:7265104.21.77.138172.67.208.230188.114.96.0188.114.97.02606:4700:3033::ac43:d0e62606:4700:3035::6815:4d8a2a06:98c1:3120::2a06:98c1:3121::
●NSamanda.ns.cloudflare.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●NSarvind.ns.cloudflare.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
●MXaspmx.l.google.com2026-02-15 → 2026-03-18 · 2 obs
● 2026-02-15 20:54:02
● 2026-03-18 13:53:36
○A104.21.77.1382026-02-15 → 2026-03-17 · 5 obs
● 2026-02-15 20:54:02
● 2026-02-18 09:57:34
○ 2026-03-01 05:25:42
● 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
●A172.64.80.12026-03-18 → 2026-03-18 · 2 obs
○ 2026-03-17 23:44:52
● 2026-03-18 13:53:36
○A172.67.208.2302026-02-15 → 2026-03-17 · 5 obs
● 2026-02-15 20:54:02
● 2026-02-18 09:57:34
○ 2026-03-01 05:25:42
● 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
○A188.114.96.02026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-18 09:57:34
● 2026-03-01 05:25:42
○ 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
○A188.114.97.02026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-18 09:57:34
● 2026-03-01 05:25:42
○ 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
●A2606:4700:130:436c:6f75:6466:6c61:72652026-03-18 → 2026-03-18 · 2 obs
○ 2026-03-17 23:44:52
● 2026-03-18 13:53:36
○A2606:4700:3033::ac43:d0e62026-02-15 → 2026-03-17 · 5 obs
● 2026-02-15 20:54:02
● 2026-02-18 09:57:34
○ 2026-03-01 05:25:42
● 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
○A2606:4700:3035::6815:4d8a2026-02-15 → 2026-03-17 · 5 obs
● 2026-02-15 20:54:02
● 2026-02-18 09:57:34
○ 2026-03-01 05:25:42
● 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
○A2a06:98c1:3120::2026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-18 09:57:34
● 2026-03-01 05:25:42
○ 2026-03-17 23:44:52
○ 2026-03-18 13:53:36
○A2a06:98c1:3121::2026-03-01 → 2026-03-01 · 4 obs
○ 2026-02-18 09:57:34
● 2026-03-01 05:25:42
○ 2026-03-17 23:44:52
○ 2026-03-18 13:53:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
caj.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca-
mathdoctor.caarvind.ns.cloudflare.com, amanda.ns.cloudflare.com-

✅ Authoritative Response

Server: 173.245.58.63

NS records: arvind.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathdoctor.ca (unsigned zone)

⏱️ Timing

Total: 554ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.230, 104.21.77.138
AAAA22606:4700:3035::6815:4d8a, 2606:4700:3033::ac43:d0e6
NS2amanda.ns.cloudflare.com, arvind.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=IHi1Ni52fUGr1GX, v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

mathdoctor.ca points to two IP numbers: 2606:4700:130:436c:6f75:6466:6c61:7265 and 172.64.80.1.

Other host names such as dzhyw.net, casadoamnei.ro, bsheatcool.com, schloss-marquardt.com and biooncology.ru share IPs with mathdoctor.ca.

Name Servers

mathdoctor.ca is delegated to two name servers: amanda.ns.cloudflare.com and arvind.ns.cloudflare.com.

mathdoctor.ca shares the same name server setup as joseph.by, cutraa.shop, afetech.co, everbird.com and hotelmurahku.com.

mathdoctor.ca at least partially shares name servers with other domains, for instance first12.org, 14343f.com, supertotem.com, lkk-racing-team.de and phtlqy.com.

these name servers are commonly used with zelda.ns.cloudflare.com, gail.ns.cloudflare.com, meadow.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with six IP numbers:

amanda.ns.cloudflare.com points to 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63.

arvind.ns.cloudflare.com points to 2606:4700:58::a29f:2ce3, 2803:f800:50::6ca2:c3e3, 2a06:98c1:50::ac40:23e3, 108.162.195.227, 162.159.44.227 and 172.64.35.227.

Mail Servers

Five mail servers handle mathdoctor.ca: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

mathdoctor.ca shares at least partially some mail servers with other domains, including ns500758.ns500759.ns500758.ns500759.ns500735.ns500736.ns500698.ns500736.ns500708.ns500708.ns500619.ns500576.ns500652.ns500576.trackreceptor.com, wecareofgrundy.com, ns500758.ns500759.ns500759.ns500759.ns500735.ns500698.ns500735.ns500698.ns500576.ns500708.ns500708.ns500619.ns500698.ns500619.tracksymphony.com, ns500731.ns500671.ns500731.ns500742.ns500731.ns500704.ns500688.ns500704.ns500291.ns500666.ns500291.ns500291.ns500131.lustychickser.com and maxseiner.net.

these mail servers are commonly used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

Hostname aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

Hostname alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

Hostname alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

Hostname alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

Hostname alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.