Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guelphhumber.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 00:13:16 UTC · ↺ Refresh
MX Hostnames
- mx2.hc184-76.ca.iphmx.com
- mx1.hc184-76.ca.iphmx.com
MX Priorities
- mx2.hc184-76.ca.iphmx.com: 20
- mx1.hc184-76.ca.iphmx.com: 10
A / AAAA Records
- 131.104.93.93 ↩ courseeval.uoguelph.ca
Mail Server IPs
- 216.71.133.111 ↩ esa.hc184-76.ca.iphmx.com
- 216.71.129.225 ↩ esa.hc184-76.ca.iphmx.com
SOA Record
Raw SOA
asterix.net.uoguelph.ca dnsadmin.uoguelph.ca 262 3600 900 604800 3600
Primary NS (mname)
asterix.net.uoguelph.ca
Admin Email (rname)
dnsadmin@uoguelph.ca
Serial
262
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
willow.net.uoguelph.ca
asterix.net.uoguelph.ca
obelix.net.uoguelph.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 exists:%{i}.spf.hc184-76.ca.iphmx.com ip4:131.104.16.8 ip4:131.104.92.67 ip4:131.104.92.116 ip4:131.104.92.22 ip4:192.41.90.160/27 ip4:131.104.16.8 ip4:162.247.216.0/22 ip4:131.104.99.183 ip4:131.104.16.65 include:spf.protection.outlook.com include:guelph-humber-web-services.p.tawk.email include:a._spf.brightspace.com include:_spf.qualtrics.com include:_spf.atlassian.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=r;aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- MS=ms45006065
- MS=2EEF72C2A3A8DAAFDED939F8CC80D924885308C3
- _79khujf7c2qjigu0dtikrcn8cn8l871
- kzt6ml4hn3gp2fwlvtjht99kxm6cz1sk
- SPFv=spf1 exists:%{i}.spf.hc184-76.ca.iphmx.com ip4:131.104.16.8 ip4:131.104.92.67 ip4:131.104.92.116 ip4:131.104.92.22 ip4:192.41.90.160/27 ip4:131.104.16.8 ip4:162.247.216.0/22 ip4:131.104.99.183 ip4:131.104.16.65 include:spf.protection.outlook.com include:guelph-humber-web-services.p.tawk.email include:a._spf.brightspace.com include:_spf.qualtrics.com include:_spf.atlassian.net ~all
- atlassian-sending-domain-verification=b289082f-fc18-43ee-b27c-7969786ac6d1
- atlassian-domain-verification=8rHMGKkGusiTrPUJJvGKOARV5Vo9TTetaTbKcgUx7oUsUDNJ55tWD1DaAcZFjPCU
- adobe-idp-site-verification=9ed55abf4b4ee694bc4499a1926acc01e1b3727c1a5f5b2bf1ebb7b9582cca6a
- webexdomainverification.4C675B8BC0E8B136E053AB06FC0A3F65=cd0d6cc1-c052-45d1-a958-414a03739d7d
- google-site-verification=WmA_ALH89Ltn6cfS9K27LPx9u5X3trnKhpaDEnnP5I0
- ciscocidomainverification=eb980f9525855e0799cf2a348dd95e640a248baf85405e8b6614fa7dab17cba
- slido-domain-verification=047ba638-366e-40e0-a34e-fd30d73541fe
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