Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
responseteam1.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 16:07:04 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- mx-02-us-east-2.prod.hydra.sophos.com
- mx-01-us-east-2.prod.hydra.sophos.com
- mxb-003cf701.gslb.pphosted.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- mxa-003cf701.gslb.pphosted.com
MX Priorities
- mxb-003cf701.gslb.pphosted.com: 0
- alt1.aspmx.l.google.com: 5
- mx-01-us-east-2.prod.hydra.sophos.com: 15
- mxa-003cf701.gslb.pphosted.com: 0
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- mx-02-us-east-2.prod.hydra.sophos.com: 20
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11
Mail Server IPs
- 205.220.160.109 ↩ mx0a-003cf701.pphosted.com
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
- 3.135.48.136 ↩ ec2-3-135-48-136.us-east-2.compute.amazonaws.com
- 18.218.105.173 ↩ ec2-18-218-105-173.us-east-2.compute.amazonaws.com
- 205.220.172.109 ↩ mx0b-003cf701.pphosted.com
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns89.worldnic.com namehost.worldnic.com 125031815 10800 3600 604800 3600
Primary NS (mname)
ns89.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125031815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns90.worldnic.com
ns89.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.171.3.163/32 include:autotask.net include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.protection.outlook.com include:sent-via.netsuite.com include:mailsenders.netsuite.com -all
📊 DNS lookups: 6/10
✓ 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
6 records- google-site-verification=zgBeo1RNfU6VoOuqY5L6Gv5ECfxtUxFeb7aD8Es5sb0
- sophos-domain-verification=3407635b0ae61834531de10c1fdcfc15316a4c72
- apple-domain-verification=RqhJtbowBkwP1kv6
- google-site-verification=DqjZmbryHii-e00TYEprJ_c_mm1HVA_xjMyY__jd7V0
- pardot343561=1fd49e9999886108c00bf1078b79f43ab72969b1fb2487a55547a77dae601590
- SPFv=spf1 ip4:50.171.3.163/32 include:autotask.net include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.protection.outlook.com include:sent-via.netsuite.com include:mailsenders.netsuite.com -all
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 responseteam1.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits