grchc.ca - robtex.com
grchc.ca
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=2603261930 | ||||||
Subdomains
mail.grchc.ca |
Same first word
grchc.ca |
Similar names
hrcgc.com |
rchgc.com |
chrcg.com |
gchrc.org |
ghcrc.com |
gcrhc.com.au |
crcgh.com |
cchgr.com |
cchrg.com |
crghc.com |
hrgcc.org |
hgcrc.org |
ccghr.ca |
gcchr.com |
chcgr.com |
DNS History
11 records (6 active, 5 former)
●NSns1-03.azure-dns.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
●NSns2-03.azure-dns.net2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
●NSns3-03.azure-dns.org2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
●NSns4-03.azure-dns.info2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
○NSns89.worldnic.com2015-06-19 → 2019-03-15 · 4 obs
● 2019-03-15 14:58:40
○ 2026-03-26 20:14:10
○ 2026-03-26 20:14:12
○NSns90.worldnic.com2015-06-19 → 2019-03-15 · 4 obs
● 2019-03-15 14:58:40
○ 2026-03-26 20:14:10
○ 2026-03-26 20:14:12
●MXgrchc-ca.mail.protection.outlook.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
○MXmail.grchc.ca2015-06-19 → 2019-03-15 · 4 obs
● 2019-03-15 14:58:40
○ 2026-03-26 20:14:10
○ 2026-03-26 20:14:12
●A20.15.0.362026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 20:14:10
● 2026-03-26 20:14:12
○A208.91.197.272015-06-19 → 2019-03-15 · 4 obs
● 2019-03-15 14:58:40
○ 2026-03-26 20:14:10
○ 2026-03-26 20:14:12
○A52.138.9.2232026-03-26 → 2026-03-26 · 2 obs
○ 2026-03-26 20:14:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca | - |
| grchc.ca | ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info | - |
✅ Authoritative Response
Server:13.107.236.3
NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grchc.ca (unsigned zone)
⏱️ Timing
Total: 953ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.15.0.36 |
| NS | 4 | ns1-03.azure-dns.com, ns2-03.azure-dns.net... |
| MX | 1 | grchc-ca.mail.protection.outlook.com (pr |
| TXT | 2 | v=spf1 ip4:72.138.33.114 include:_spf.co, MS=ms80844645 |
| SOA | 1 | ns1-03.azure-dns.com azuredns-hostmaster |
Analysis
Hierarchy
grchc.ca is the parent of mail.grchc.ca.
IP Addresses
grchc.ca resolves to one IP number: 20.15.0.36.
other host names including sustainablegr.org, hdsb.ca, giag.ca, dorsetheritagemuseum.ca and greenstone.ca share IP numbers with grchc.ca.
Name Servers
grchc.ca is delegated to four name servers: ns1-03.azure-dns.com, ns4-03.azure-dns.info, ns2-03.azure-dns.net and ns3-03.azure-dns.org.
grchc.ca at least partially shares name servers with other domains, for instance hortonambulance.com, shopketo.com, mobilous.com, pricedecypher.com and aphs.sa.edu.au.
Host names with two IP numbers:
ns1-03.azure-dns.com points to 2603:1061:0:700::3 and 13.107.236.3; ns4-03.azure-dns.info points to 2620:1ec:bda:700::3 and 208.84.5.3; ns2-03.azure-dns.net points to 2620:1ec:8ec:700::3 and 150.171.21.3; ns3-03.azure-dns.org points to 2a01:111:4000:700::3 and 204.14.183.3.
Mail Servers
grchc.ca is handled by a single mail server, grchc-ca.mail.protection.outlook.com.
Host grchc-ca.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::, 2a01:111:f403:c942::1, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.1, 52.101.190.2, 52.101.190.3 and 52.101.192.0.