Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
iob-onco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 06:23:15 UTC · ↺ Refresh
MX Hostnames
- iobonco-com0i.mail.protection.outlook.com
MX Priorities
- iobonco-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 213.158.94.132 ↩ 213.158.94.132.static.teamblue-ops.net
Mail Server IPs
- 52.101.73.123 ↩ mail-am6pr02cu00203.inbound.protection.outlook.com
- 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
- 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
- 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca21::c ↩ mail-matpr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
dns16.ovh.net tech.ovh.net 2080403185 86400 3600 3600000 60
Primary NS (mname)
dns16.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2080403185
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
60s
Nameservers (NS)
ns16.ovh.net
dns16.ovh.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.76.142.64 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- google-site-verification=eqSx3AktUByheTs5Uh4STSkEaGaNmc0qabyZbYs8SR0
- 201904031147545a1pt9q0jgfwacukfaelmzcav1ws4g38thf6xrch5o18639bqv
- MS=A6E9E0400EAA60C031D92F6C4FA8A512D62AA7BA
- brevo-code:1b7e5e0f6bfaeac2fe0104e67922d5b5
- 202003191338513hzamie218ojkn1uq5nw24p8o1n00ghn6t3kdmh87xd63f9xsl
- SPFv=spf1 ip4:217.76.142.64 include:spf.protection.outlook.com -all
- 202303210446492j9jevvvra9vceljgpqg7fj7734t2gr5q6ny7yhcyq1z4a2yxi
- google-site-verification=mO2xsRPYCo5D1hj0ZTv7-ikJoZ9WU_aJGIFRTW5V3m4
- 202203190021450tqarq63wkzfokor9l4grfdz8uh5hu4qgx6571bbqq0nwgmq3d
- 202103182333303jrrgb65sllfwd5ia5h5mbg2nx9xy8chvxlevgraol6x2vhrsp
- 202403220628064fzi1emqcpm99x9uj89vo2n15yalx1f5tczzul1y0071oddb9p
- MS=ms76637378
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 · Customize →
See demo & docs
Deep verification
Full email verification for iob-onco.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits