adaptive.security

Valid Email Server
Domain Lookup › adaptive.security
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
adaptive.security
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 02:53:40 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

  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 104.18.16.58
  • 104.18.17.58
  • 2606:4700::6812:103a
  • 2606:4700::6812:113a

Mail Server IPs

  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1a ↩ yubrupd-in-f26.1e100.net
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA april.ns.cloudflare.com dns.cloudflare.com 2415305463 10000 2400 604800 1800
Primary NS (mname)
april.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415305463
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

greg.ns.cloudflare.com
april.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:emailus.freshservice.com include:zcsend.net include:one.zoho.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; ri=86400; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • atmosphere-verification=n0JwqIz3Hi0LXEngTRA691nrBBBnWI2SBAnou3eghbeAVxyRLlUR857subtAuOjost75Ed9UtDb0sTrsFiJW3bGqVtxGIykwY5mp
  • google-site-verification=yloUVkht4YMEjRw4cZNvXpQLdGmQiF9NWzGN0KOVN3A
  • sophos-domain-verification=99a93ffafd34b8f2d831529aa2c7402cb5936a62d70ff4b3f3885ffbde72c6dc
  • SPFv=spf1 include:_spf.google.com include:emailus.freshservice.com include:zcsend.net include:one.zoho.com ~all
  • zoho-verification=zb49297820.zmverify.zoho.com
  • VKWQAOI66CAQHQH3BDIUPMPTR0EHJQDPJ2B3DR5S
  • atlassian-domain-verification=lVyTe5jNDAb1XGoKPeDHaqd4Me40akdrB8dIBE3UK77QaTTVJkn8s6GYqrj9OiV/
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 adaptive.security

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits