Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bonterratech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:09:45 UTC · ↺ Refresh
MX Hostnames
- bonterratech-com.mail.protection.outlook.com
MX Priorities
- bonterratech-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-716.awsdns-25.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-716.awsdns-25.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1972.awsdns-54.co.uk
ns-65.awsdns-08.com
ns-716.awsdns-25.net
ns-1236.awsdns-26.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ip4:75.103.230.5 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
25 records- zapier-domain-verification-challenge=ca1c446f-54f9-4c6e-ac49-b10b71bd3573
- docusign=07ba622a-ef18-4830-8f91-3d2e3b9269b6
- amazon-business-verification=5f5f37cef42839f604497015d06caa5bdfdf7bd354614865275bf0bf8bed0e35
- miro-verification=392e43e64c7880829795cefddfd9a6991ed1a26f
- stripe-verification=9beabcc5e78344597deb39b2fabbe7f4cddccff4062304dd68bf3e48e19e1ad6
- atlassian-domain-verification=WNWdAgwTPUoEaAU6lJr1Xz30eeaXYXGGABs3H6fX5Pu8EX7fLZd2mxJEz0dTdHNm
- MS=ms60442878
- slack-domain-verification=IjiWaouHGN8UqTDZWtIfE8ZXGKz4wuPvJDog3L1f
- new-relic-domain-verification=558b99e106fe47a29d515c5596006790
- wrike-verification=NTI3OTA5MTo3MWNjNTliYzQxMjBjMjM2NjBjOGViNTQ2MjZkNGY4YWE1OWRmOTdiN2U2M2EyNDAzODJhYjMxNmE3YTk2NTIz
- apple-domain-verification=2cQRkTaTpYaWYQDu
- openai-domain-verification=dv-sfzWa8XKjCcqTrvI4NQxsLeG
- intacct-esk=7B1FA66A5A501F74E053AA06A8C0E99B
- notion-domain-verification=a2PmCMrDcST5CNSBwvYUlGUidY8N48EFS9BjLuARg2N
- anthropic-domain-verification-8jtwqq=GdBOmSHBLsTpFnNUs0K3yHNff
- google-site-verification=_GAhargGKVIsXALxCriWFP2BfwMd7pgi9ve_Onje3YM
- jetbrains-domain-verification=50osc6m7nuu34jqfs2h6krfug
- jamf-site-verification=R0PWbj9pdubAPye6ePT9Kg
- pendo-domain-verification=2803ef74-8715-4c56-9b7e-c44a2237ec3c
- twilio-domain-verification=f9e47c9396a8323740303fbbe46b529b
- mgverify=2556393361ba519d2a19eca4f1d919ed60dcc4e1f3477f2ee0353869be6d4b48
- gc-ai-domain-verification-apt74j=hKiKVQ5VrRjfe6Tk7s8HSI9Oz
- cursor-domain-verification-p0n5ef=0hXQ8QdOIS9GpyZzWsLvxBAU5
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ip4:75.103.230.5 ~all
- knowbe4-site-verification=1eafab8f84513c66476970e044203802
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 bonterratech.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits