Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
teaching.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:14:21 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
- aspmx5.googlemail.com
- aspmx4.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
- aspmx4.googlemail.com: 30
- aspmx5.googlemail.com: 30
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 198.202.211.1 (no PTR)
- 2620:cb:2000::1 (no PTR)
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
beth.ns.cloudflare.com dns.cloudflare.com 2399497721 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399497721
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ivan.ns.cloudflare.com
beth.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:67.192.220.108 ip4:72.32.158.240 include:_spf.google.com include:zcsend.net include:sendgrid.net include:_spf.salesforce.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._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
6 records- MS=ms65189447
- anthropic-domain-verification-sanxsv=bI9Y3cVm3PT2FdTwh2GCU0Lrl
- apple-domain-verification=tlbMcmPwvQ1efFk4
- google-site-verification=mnd4UWye3o_9XjVg7apqvOcMHx0V--PkonYyH-ehiHg
- google-site-verification=rUs37Dz8GvN1q_qpDRk0rd52V7w9ZtXNkQAL5o95GTQ
- SPFv=spf1 a mx ptr ip4:67.192.220.108 ip4:72.32.158.240 include:_spf.google.com include:zcsend.net include:sendgrid.net include:_spf.salesforce.com ~all
Full email verification for teaching.com
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