Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gcs.k12.nc.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 07:32:56 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.com
- ALT2.ASPMX.L.GOOGLE.com
- ASPMX.L.GOOGLE.com
- ALT4.ASPMX.L.GOOGLE.com
- ALT3.ASPMX.L.GOOGLE.com
MX Priorities
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 18.233.124.95
- 54.221.139.169
Mail Server IPs
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-01.mcnc.org hostmaster.ncren.net 2026020500 14400 7200 1209600 14400
Primary NS (mname)
ns-01.mcnc.org
Admin Email (rname)
hostmaster@ncren.net
Serial
2026020500
Refresh
14400s
Retry
7200s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
ns-01.mcnc.org
ns-02.mcnc.org
SPF Record
✓ Strict (-all)
v=spf1 include:mg.infinitecampus.org include:_spf.bbnotify.net include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
10 records- knowbe4-site-verification=4874589f859b1d0ceb0cd3756952b4f8
- cisco-ci-domain-verification=1f4a94a8b01b7d609d36645cac693eeba9244aabbb97db70d925524c1ae9fa0f
- ZOOM_verify_csdc51T6T_6WNO0BWBdjQw
- rtu7ogavqthmnjj1go7egu9k9m
- MS=3391CF7A743528AFDD0286BDC1713656BF193B8A
- openai-domain-verification=dv-PP5kod9iaHUtMgLq75QwYQ7K
- uktfiq77hiqers2jnr3mj4bsbt
- SPFv=spf1 include:mg.infinitecampus.org include:_spf.bbnotify.net include:_spf.google.com -all
- 4q0unghkms3mck3o4163rs9a8s
- sddaki07njjr363audbchp5eqh
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for gcs.k12.nc.us
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits