Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
realestatebook.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:14:11 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.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
- 104.16.180.240
- 104.16.181.240
- 2606:4700::6810:b4f0
- 2606:4700::6810:b5f0
Mail Server IPs
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.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
carl.ns.cloudflare.com dns.cloudflare.com 2398880803 10000 2400 604800 1800
Primary NS (mname)
carl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398880803
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
carl.ns.cloudflare.com
elsa.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:sendgrid.net include:4945355.spf01.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ 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
✓ 3 found
google._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
5 records- facebook-domain-verification=eipntm3kv9i8jjrop6boqnngjn9lmw
- google-site-verification=M7GiOeyHPVWcMytVMoete1Lw0LfqhHrZPVu1gt1zAlA
- google-site-verification=_K1zhnqZqNdNH3AqPRskIcdkDjfc7B0I0mkvWGOiVPo
- SPFv=spf1 include:_spf.google.com include:sendgrid.net include:4945355.spf01.hubspotemail.net ~all
- ahrefs-site-verification_a142b93e2757a3e98bce7a83b55ae86f86f6566b67e1f6e58bcadbe66157d207
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
See demo & docs
Deep verification
Full email verification for realestatebook.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits