mathontario.ca - robtex.com
mathontario.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | pdns85.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::79🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| A | 156.154.64.85🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| NS | pdns85.ultradns.biz | ||||||
| A | 2610:a1:1015::79🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| A | 156.154.66.85🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| NS | pdns85.ultradns.net | ||||||
| A | 2610:a1:1014::79🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| A | 156.154.65.85🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| NS | pdns85.ultradns.org | ||||||
| A | 2001:502:4612::79🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| A | 156.154.67.85🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| MX | mail.eppg.com ⭐ | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | pdns85.ultradns.comhostmaster@mheducation.com 2014-12-04 #18 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2603281300 | ||||||
Same first word
mathontario.com |
mathontario.ca |
Similar names
DNS History
8 records (6 active, 2 former)
●NSpdns85.ultradns.biz2015-05-19 → 2026-03-28 · 2 obs
● 2026-03-28 13:16:58
●NSpdns85.ultradns.com2015-05-19 → 2026-03-28 · 2 obs
● 2026-03-28 13:16:58
●NSpdns85.ultradns.net2015-05-19 → 2026-03-28 · 2 obs
● 2026-03-28 13:16:58
●NSpdns85.ultradns.org2015-05-19 → 2026-03-28 · 2 obs
● 2026-03-28 13:16:58
○A192.243.83.302015-05-19 → 2017-06-25 · 4 obs
● 2017-06-25 02:55:18
○ 2026-02-17 10:50:28
○ 2026-03-28 13:16:58
○A192.243.93.452015-05-19 → 2017-06-25 · 4 obs
● 2017-06-25 02:55:18
○ 2026-02-17 10:50:28
○ 2026-03-28 13:16:58
●A204.74.99.1002026-02-17 → 2026-03-28 · 3 obs
● 2026-02-17 10:50:28
● 2026-03-28 13:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| mathontario.ca | pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net, pdns85.ultradns.org | - |
✅ Authoritative Response
Server:156.154.66.85
NS records: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net, pdns85.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathontario.ca (unsigned zone)
⏱️ Timing
Total: 297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns85.ultradns.biz, pdns85.ultradns.com... |
| MX | 1 | mail.eppg.com (pri: 0) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | pdns85.ultradns.com hostmaster.mheducati |
Analysis
IP Addresses
mathontario.ca points to a single IP address: 204.74.99.100.
Other host names such as abouthow.com, www.hitachi.be, payrolllink.com, nomex.ma and savanna-hotels-1.com share IPs with mathontario.ca.
Name Servers
mathontario.ca is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
mathontario.ca at least partially shares name servers with other domains, for example mhhe.com, mhpractice.com.mx, mcgraw-hill.co.uk, rbal.info and glencoe-literature.com.
Host names with two IP numbers:
pdns85.ultradns.biz points to: 2610:a1:1015::79 and 156.154.66.85
pdns85.ultradns.com points to: 2001:502:f3ff::79 and 156.154.64.85
pdns85.ultradns.net points to: 2610:a1:1014::79 and 156.154.65.85
pdns85.ultradns.org points to: 2001:502:4612::79 and 156.154.67.85
Mail Servers
The mail.eppg.com mail server handles mathontario.ca.
mathontario.ca shares the same mail server setup as other domains, including sraimagineit.com, mheis.com, wgcontemporary.com, gr1math.com and mcgrawhillconnect.com.
mathontario.ca shares at least partially some mail servers with other domains, for instance mcgraw-hill.com.au, mheducation.co.in, mmhpr.net, gr4math.com and lead21.net.