Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
archcollege.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 00:13:32 UTC · ↺ Refresh
MX Hostnames
- mxbiz1.qq.com
- mxbiz2.qq.com
MX Priorities
- mxbiz1.qq.com: 5
- mxbiz2.qq.com: 10
A / AAAA Records
- 43.174.247.50 (no PTR)
- 43.174.246.50 (no PTR)
- 240d:c010:74:2::171 (no PTR)
- 240d:c010:75:1::19a (no PTR)
- 240d:c010:c8:3::27d (no PTR)
CNAME → archcollege.com.eo.dnse5.com
Mail Server IPs
- 103.86.78.3 (no PTR)
- 103.86.78.2 (no PTR)
- 43.154.252.16 (no PTR)
- 43.154.252.202 (no PTR)
SOA Record
Raw SOA
dns3.hichina.com hostmaster.hichina.com 2026010913 3600 1200 86400 600
Primary NS (mname)
dns3.hichina.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2026010913
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
dns3.hichina.com
dns4.hichina.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mail.qq.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.mail.qq.com ~all
- pinterest-site-verification=65116cd4c7d84b49c0803c295c58c065
- google-site-verification=bZsRI6cLNZQRxlptbiwk9mXCRGxQvnFarXK_OIWxsRA
Full email verification for archcollege.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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