Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arquitecturayconcreto.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 08:58:58 UTC · ↺ Refresh
MX Hostnames
- arquitecturayconcreto-com.mail.protection.outlook.com
MX Priorities
- arquitecturayconcreto-com.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.234.99 ↩ server-99-84-234-99.jfk50.r.cloudfront.net
- 99.84.234.128 ↩ server-99-84-234-128.jfk50.r.cloudfront.net
- 99.84.234.126
- 99.84.234.114
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1658.awsdns-15.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1658.awsdns-15.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1077.awsdns-06.org
ns-1658.awsdns-15.co.uk
ns-434.awsdns-54.com
ns-702.awsdns-23.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:vtigermails.com include:7650537.spf10.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- facebook-domain-verification=xi69x3vfuben3se7lzz3z52ertay21
- google-site-verification=AS2nl7AuBd2VxXCORruxMy9sh7jSB4QdI9_XgeXbsTE
- SPFv=spf1 include:spf.protection.outlook.com include:vtigermails.com include:7650537.spf10.hubspotemail.net -all
- v=spf2.0/pra include:ca.vtiger.email include:vtigermails.com ~all
- MS=ms74320658
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 arquitecturayconcreto.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits