Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bu.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 16:24:39 UTC · ↺ Refresh
MX Hostnames
- mx1.hc2706-39.iphmx.com
- mx2.hc2706-39.iphmx.com
MX Priorities
- mx1.hc2706-39.iphmx.com: 5
- mx2.hc2706-39.iphmx.com: 5
A / AAAA Records
- 128.197.236.4
Mail Server IPs
- 216.71.146.118 ↩ esa4.hc2706-39.iphmx.com
- 216.71.137.79 ↩ esa6.hc2706-39.iphmx.com
- 216.71.140.197 ↩ esa9.hc2706-39.iphmx.com
- 216.71.140.196 ↩ esa8.hc2706-39.iphmx.com
- 216.71.137.63 ↩ esa5.hc2706-39.iphmx.com
- 216.71.140.198 ↩ esa10.hc2706-39.iphmx.com
- 216.71.140.199 ↩ esa14.hc2706-39.iphmx.com
- 216.71.140.205 ↩ esa16.hc2706-39.iphmx.com
- 216.71.137.82 ↩ esa12.hc2706-39.iphmx.com
- 216.71.137.83 ↩ esa13.hc2706-39.iphmx.com
- 216.71.152.49
- 68.232.154.118
- 68.232.153.39
- 216.71.140.200
- 216.71.137.81
- 216.71.137.80
SOA Record
Raw SOA
ist-dns-prod11.bu.edu hostmaster.bu.edu 970869742 600 300 604800 600
Primary NS (mname)
ist-dns-prod11.bu.edu
Admin Email (rname)
hostmaster@bu.edu
Serial
970869742
Refresh
600s
Retry
300s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
edns02.bu.edu
edns01.bu.edu
edns03.bu.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{l}.%{o}.spf.bu.edu include:_u.ondmarc.bu.edu._spf.smart.ondmarc.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=40; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 40% of failing messages only
DKIM Selectors
✓ 7 found
selector1._domainkey
selector2._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._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
40 records- yahoo-verification-key=A3O9VJ94l+a2frns/isnh9MBwLfPwVeMBgdvOb2l978=
- pardot192822=fb9c4b0ba22a7462686372773f2e521d53de40b1db0bbfed977bcf46a4ff6907
- pardot192822=e95b76f60f1f2dd27c11ef306f99d5472c871da9d221b2a08db5fecb618af01a
- google-site-verification=ZXAn1MfviwxydrktJiphtqacGQ6i3BJMiWaOYhE0aW4
- google-site-verification=uUBIo7rGZKIUNOEJ7yOahQe-AYkW4AwJPJrSsgQaQPE
- BGELPNBsDxzCVsd892zu7uzc6/RS4XTHMBwfAzUDOuTGxWQ1ggk8vjNNHdbJuKLAUnYjS2GGqYKKvJCWrhWi5Q==
- ZOOM_verify_nqTarCG_Sfec5hmDYIey9w
- e2ma-verification=0wegb
- ms-domain-verification=ba683a5e-ca58-4005-82c5-bae45c91fbbb
- amazonses:Lvbg/4wEfqYPAg39Surgr1mR4yRKoLyNZqgEObXYgeU=
- adobe-idp-site-verification=a71f2fe0-25c1-46cd-9d0f-c83d769cc464
- amazonses:6PZDYpsrO7QArYfeoqWB73qyPXS+YY6o4boqlo2Da3U=
- amazonses:2YQZEyFhbb+XTfTQXV7NoBA07XHUUExz73D1KJlPap8=
- amazonses:AwSvDmWwTx8okcatFIEnWSnq20Z9LPfd6DRCIh1vFJs=
- d365mktkey=7qsGu1xt2piBD6R1Tywzn8SVLsatn3NuB9MR5WReZ0ox
- apple-domain-verification=xbZoF0D4CQePMvfj
- amazonses:P9MFqEievVVPAd1/PX0PcTCBEOzYqYp/ix1L9lxbN40=
- KP949W92GKNQ0PZ0N88XHLBEWBWBY5ME4Y9319Q9J
- anthropic-domain-verification-naf36v=CEFZVHy1jQpWLrBBoNOxVc9F5
- dropbox-domain-verification=z6zza3wyksbx
- brevo-code:956c0e08c148a9770622045342757477
- amazonses:dSjTJ5EAmNt4HCeFh5d73yXHdRAWl0hJ/4pTL7NmUD8=
- openai-domain-verification=dv-jqEdCiOFLvqVPwoC3PcpCjU3
- MS=ms14560947
- pardot192822=9820d4cb1fb8aee684785fb4ef3504834e89c2a9dc72ae85619eb2d5afe36f76
- v=verifydomain MS=ms74687773
- miro-verification=377cc6659a02c6725b563adc7e39e17eaee09eb3
- cisco-ci-domain-verification=76b5749d7018bb6b7c5b4ff2294f07d53a130fe45d2f7883653965a062644bf7
- ZOOM_verify_yhxVUDjfdOc4LiPKGmrwOZ
- d365mktkey=M0OxizdtVNcUWXZe3yNtSjfsCAM2ye8yfml9rfIR8vYx
- google-site-verification=7DoOKBD8dD53G3N4o-I5jUbG_qjDxTSuZExk4p1qlY0
- SPFv=spf1 include:%{l}.%{o}.spf.bu.edu include:_u.ondmarc.bu.edu._spf.smart.ondmarc.com ~all
- asv=a2db9061fe2c0d8996ebab42acf37c2b
- a4V5CxeWPi3/r5nrG/fp2mf8bI70nxWPpUhOCtaSvzU=
- TAILSCALE-xoPhMaCbCi2oAgNoR6vU
- google-site-verification=xmeyfQgB5dDMamBVUQr_BuUpNpqimItoXEKJ7aikqWI
- pardot_192822_*=2319b3b7ba3b841329ffb670d26bccab3ddb9cf8cd0a67cdb28cbd760bb98a08
- v=verifydomain MS=ms17551242
- atlassian-domain-verification=aUzHV7Znf5W7zM9iKWIuXmQL2n3xyjLnhzctpiQ1dRDMXAAdF9wAGfQduOBpU2Jl
- google-site-verification=67INNBNCAQXRtks4u0Zt20tpzmBzJwHMN_CxcX5xz6A
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