helsing.ai

Valid Email Server
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

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

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 detected

No 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