Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
icsd.k12.ny.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:57:29 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 170.158.171.89
Mail Server IPs
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ainsley.ns.cloudflare.com dns.cloudflare.com 2388521649 10000 2400 604800 1800
Primary NS (mname)
ainsley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2388521649
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ainsley.ns.cloudflare.com
koa.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:170.158.82.200 ip4:170.158.249.54 ip4:170.158.249.52 , ip4:199.30.234.56/29 ip4:74.203.184.208/30 ip4:199.30.234.64/26
📊 DNS lookups: 0/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- apple-domain-verification=PcJoMQZR3QSHv5Z7
- autodesk-domain-verification=xLaAHrrUnltoxH_fjQgx
- l76njii0660peebost62v056j7
- SPFv=spf1 ip4:170.158.82.200 ip4:170.158.249.54 ip4:170.158.249.52 , ip4:199.30.234.56/29 ip4:74.203.184.208/30 ip4:199.30.234.64/26
- MS=1837F735BFA348D6A8B9243623E7B3C28C1BE336 3600
- adobe-idp-site-verification=821de72eda8dfb506dadebc3edf5843f1dc1a45a4aa695bb41d03179fdf0c7ef
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