Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optipub.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 06:59:52 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 199.16.172.217
- 199.16.173.70
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 142.251.111.26 ↩ bk-in-f26.1e100.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
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009012702 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009012702
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns12.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns13.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.optipub.com include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
9 records- optipub=Je1qHgONSta6pIv7g1P8c1a0lSPZWWbO
- yahoo-verification-key=GJO5WM5xeRkWvBQ2MttZjTftjMwcduIFHKM+4fYzcTM=
- google-site-verification=hu_7f0nKudBN0GTtX6_8-qCI7gYp1TNuNV3V-FC2wbA
- google-site-verification=oIkEuUzMztaa6P34e9eLqNbV6np5D2dIeLnTNtIO4Ck
- MS=ms59864692
- SPFv=spf1 include:_spf.optipub.com include:_spf.google.com ~all
- MS=ms70655135
- optipub=ik5sZ41qQ4Fhh7Oc79suHpsnPf0pB3o1
- twilio-domain-verification=7a5ddd77886acfbef67cff785a0a34f0
Full email verification for optipub.com
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