www.mathatwork.ca - robtex.com

www.mathatwork.ca

CNAMEvanity.mcgrawhill.ca
CNAMEprod.mheducation.ca
DNSSEC⚠️ Not signed
A192.243.85.36🇺🇸 F5192.243.85.0/24 hosted

mathatwork.ca

DNSSEC⚠️ Not signed
A192.243.85.36🇺🇸 F5192.243.85.0/24 hosted
NSpdns85.ultradns.com ⭐
NSpdns85.ultradns.biz
NSpdns85.ultradns.net
NSpdns85.ultradns.org
TXTv=spf1 mx -all
SOApdns85.ultradns.comhostmaster@mheducation.com 2014-12-04 #19

PTR for

186.22.45.198.in-addr.arpa

Same first word

www.next
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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A192.243.83.30192.243.93.45CNAMEvanity.mcgrawhill.ca
○A192.243.83.302015-08-12 → 2017-04-18 · 4 obs
● 2015-08-12 16:25:02
● 2017-04-18 13:40:48
○ 2026-02-24 02:02:16
○ 2026-03-28 08:53:24
○A192.243.93.452015-08-12 → 2017-04-18 · 4 obs
● 2015-08-12 16:25:02
● 2017-04-18 13:40:48
○ 2026-02-24 02:02:16
○ 2026-03-28 08:53:24
●CNAMEvanity.mcgrawhill.ca2026-02-24 → 2026-03-28 · 2 obs
● 2026-02-24 02:02:16
● 2026-03-28 08:53:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
caany.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca-
mathatwork.capdns85.ultradns.com, pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.net-

✅ Authoritative Response

Server:156.154.65.85

NS records: pdns85.ultradns.com, pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathatwork.ca (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1vanity.mcgrawhill.ca

Analysis

IP Addresses

www.mathatwork.ca points to a single IP number: 192.243.85.36.

other host names for instance istudywriting.ca, istudymath.ca, istudylinearalgebra.ca, mcgrawhill.ca and istudysociology.com share IP numbers with www.mathatwork.ca.