Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
helsing.ai
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 20:09:04 UTC · ↺ Refresh
MX Hostnames
- helsing-ai.mail.protection.outlook.com
MX Priorities
- helsing-ai.mail.protection.outlook.com: 0
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1320.awsdns-37.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1320.awsdns-37.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1726.awsdns-23.co.uk
ns-212.awsdns-26.com
ns-749.awsdns-29.net
ns-1320.awsdns-37.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:_spf.cmail.ondemand.com include:amazonses.com include:spf-de.emailsignatures365.com ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- atlassian-sending-domain-verification=5525202c-2b70-47d2-954d-858659f4b0ed
- apple-domain-verification=iy6BazY34U2Eobe0
- atlassian-domain-verification=THv8ttaVQ82N/javUgc6GRZHJhrS0iEushbPgQqZuUMwRcdQGUBeIUUYO8KACMbp
- 1password-site-verification=7EHVWBT2IJCINKJZINEIHEYG7M
- cisco-ci-domain-verification=1b3a8c4d1bc27223ca262859078f885a4a104755aa159aae40a2533c6ad06db7
- google-site-verification=7iw2xkXdYlnhfAiX_4Na7ZEMqS2i6OXvAcsLvbctx-Q
- jetbrains-domain-verification=86cogf96t1a45mubndspzf6a9
- dropbox-domain-verification=bv75fclleam5
- slack-domain-verification=NcvJstFTlzj6pF8t0r82vqAPVza8SKhh3kw0eoiy
- zone-ownership-verification-09153640cbb8126a129c0fdcf547b10ab15e337832d440d64d36613fd2490b15
- openai-domain-verification=dv-ICuRz0f4AdweUgHOEIDwcCKm
- parallels-domain-verification=6064a212e06a413ba0341a48985838460c176e115e614a3f92bf4df4e4780618
- SPFv=spf1 include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:_spf.cmail.ondemand.com include:amazonses.com include:spf-de.emailsignatures365.com ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 -all
- docusign=e6337b59-3805-4b87-b0f4-f3a088fc2560
- jamf-site-verification=_Me0chHTK8i6GXSQXx8VMQ
- autodesk-domain-verification=8g_5GRJtUJuMuGUPN8K6
- adobe-idp-site-verification=62eca48d6a47591cecc1df52a37bb4936e8c80cbd3fa19c1ac8067957d4ee28c
- hibp-verify=dweb_ud3wsytnqlgfhe1ceoeiw85s
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 helsing.ai
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits