Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tccd.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 01:56:30 UTC · ↺ Refresh
MX Hostnames
- mail3.tccd.edu
- mx1.hc4142-90.iphmx.com
- mx2.hc4142-90.iphmx.com
- mail.tccd.edu
- mail1.tccd.edu
- tccd-edu.mail.protection.outlook.com
MX Priorities
- mail.tccd.edu: 30
- mail1.tccd.edu: 30
- mail3.tccd.edu: 30
- tccd-edu.mail.protection.outlook.com: 30
- mx1.hc4142-90.iphmx.com: 10
- mx2.hc4142-90.iphmx.com: 10
A / AAAA Records
- 64.28.241.210
Mail Server IPs
- 64.28.249.28 ↩ mail.tccd.edu
- 64.28.249.18 ↩ mail1.tccd.edu
- 64.28.249.16 ↩ mail3.tccd.edu
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::3
- 68.232.130.200
- 68.232.137.136
- 68.232.137.131
- 68.232.130.213
SOA Record
Raw SOA
pdns82.ultradns.net administrator.tccd.edu 2013106420 86400 1800 1209600 28800
Primary NS (mname)
pdns82.ultradns.net
Admin Email (rname)
administrator@tccd.edu
Serial
2013106420
Refresh
86400s
Retry
1800s
Expire
1209600s
Minimum TTL
28800s
Nameservers (NS)
pdns82.ultradns.org
pdns82.ultradns.biz
pdns82.ultradns.com
pdns82.ultradns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.28.242.19 ip4:64.28.242.69 ip4:165.193.255.42 ip4:165.193.255.49 ip4:64.50.145.238 mx include:k12insightllc.com include:_tuf-spf.touchnet.com include:_spf.elasticemail.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
15 records- ZOOM_verify_YO6IQq68TQGlynPnNVk3XA
- MS=1507331B814C305E59003104A0805EC1FA02F38C
- MS=ms69536551
- SPFv=spf1 ip4:64.28.242.19 ip4:64.28.242.69 ip4:165.193.255.42 ip4:165.193.255.49 ip4:64.50.145.238 mx include:k12insightllc.com include:_tuf-spf.touchnet.com include:_spf.elasticemail.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
- gM9Mc+Asp/05lTqQB2smK8JUsLLhL2t2UIQflhfBJpZlGpoTc4C2B7WGHxT2wN1fm+N6DRzVYDapUHPiTXXE4Q==
- 37c342e627fc47bbb712d296c8a35ffd
- cisco-ci-domain-verification=19307cd0784ebe467273fdc821adbf4121d185e3c8a49e89b33f52611d4d56f1
- adobe-idp-site-verification=be60587132bc5ee2358386e0da4544a3f67d42d44cf7d1d7a0ee222879db2cc8
- jamf-site-verification=ioQswBnXn1w7Myb4R4jLnQ
- smartsheet-site-validation=geJnkYgm1HtLzoAidOdnCXpqdr9IEX63
- 8eP09Pm7X1Iq2xpg2Evh170Yl9Y0dTxT1+pqfcGuDAs=
- apple-domain-verification=HUlyZ3mtqrwmORZA
- google-site-verification=WeJKHvZCTlTqvMG6L7w9qciHarREHnoEi9TP-7hyCL0
- adobe-sign-verification=6ad362af7fb32480f4ce9c954041b058
- _9mqydjtek29k93ls2l59dpkvefyvxhg
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