Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colbert.k12.al.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:49:56 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
- ALT3.ASPMX.L.GOOGLE.COM
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 0
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 129.66.13.70
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
SOA Record
Raw SOA
asnsvr.asc.edu phduggan.asnmail.asc.edu 2023042100 3600 300 604800 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2023042100
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns3.asc.edu
ns1.asc.edu
ns2.asc.edu
asnsvr.asc.edu
asnsvr2.asc.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.google.com include:spf.psm.knowbe4.com include:mailgun.org include:pinnaclenetworx.com include:una.edu include:kellyservices.com include:frontlineed.com include:ezreports.org include:aesoponline.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected] ; pct=15
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 15% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- adobe-idp-site-verification=25c414713bc8634ff2550ac1f14706eb405306cfd257810571e5baa19eeef90b
- MS=02.09.2023
- apple-domain-verification=6qJ7OiBGn2CJPOOw
- adobe-idp-site-verification=3acd52019bb79cbac96f7ad80791768cd5fc7e193fedcfe40355cfeac2c07fe1
- SPFv=spf1 include:spf.google.com include:spf.psm.knowbe4.com include:mailgun.org include:pinnaclenetworx.com include:una.edu include:kellyservices.com include:frontlineed.com include:ezreports.org include:aesoponline.com ~all
- google-site-verification=mDmhxP13A8YQj8xXLPM7Q5E33ctPjYRg_3hUR71JxKg
- MS=3EDA0B4F7A86DF00B79BE79E1AB333158FE480A7
- google-site-verification=g8xz6Q45zIGP1wWB8wVgs1BTSUy1mvak_5q3zyvVjJg
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