Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alsde.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 10:51:34 UTC · ↺ Refresh
MX Hostnames
- alsde.in.tmes.trendmicro.com
MX Priorities
- alsde.in.tmes.trendmicro.com: 5
A / AAAA Records
- 157.149.4.100 ↩ www.alsde.edu
Mail Server IPs
- 18.208.22.79 ↩ in.tmes.trendmicro.com
- 18.208.22.77 ↩ in.tmes.trendmicro.com
- 18.208.22.80 ↩ in.tmes.trendmicro.com
- 18.208.22.78 ↩ in.tmes.trendmicro.com
SOA Record
Raw SOA
alsdedns1.alsde.edu issadmin.alsde.edu 2015073326 3600 1800 7200 3600
Primary NS (mname)
alsdedns1.alsde.edu
Admin Email (rname)
issadmin@alsde.edu
Serial
2015073326
Refresh
3600s
Retry
1800s
Expire
7200s
Minimum TTL
3600s
Nameservers (NS)
alsdedns1.alsde.edu
asnsvr2.asc.edu
alsdedns2.alsde.edu
asnsvr.asc.edu
asnsvr1.asc.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:157.149.51.1 ip4:157.149.51.2 ip4:157.149.51.18 ip4:157.149.51.19 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
11 records- cisco-ci-domain-verification=6be5a395c59afe2132e4caa57494136ab2479697728beacbde3f28d8c0ec10f
- fbtbcliense0sn9ierfjvoh8cn
- google-site-verification=aPcEWJOBrRmdpFpikMuVPZdgVyssFSxU4cz_v_BHYEI
- google-site-verification=ZzAyya9PNAdiM86pN8jLoiC0j3UQTzIG0dr8KbD0O0w
- SPFv=spf1 ip4:157.149.51.1 ip4:157.149.51.2 ip4:157.149.51.18 ip4:157.149.51.19 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
- google-gws-recovery-domain-verification=50977077
- webexdomainverification.=8ee85908-3a24-474f-b013-647fb52bf4ab
- docusign=f8586566-5e68-4097-8230-1f951e2eb257
- google-site-verification=VEplv0Hw2ORQ_cHlzWVrVXUzaVEArlE4esXtQ561ZxU
- ua00rna34mctco5jimertgrtqd
- detectify-verification=533c1dd493ec0de75e4118e2d7206d50
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