Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gemserv.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 10:23:37 UTC · ↺ Refresh
MX Hostnames
- gemserv-com.mail.protection.outlook.com
MX Priorities
- gemserv-com.mail.protection.outlook.com: 3
A / AAAA Records
- 151.101.130.159 (no PTR)
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns99.ultradns.com mark\.newman.gemserv.com 2015062799 86400 86400 86400 86400
Primary NS (mname)
pdns99.ultradns.com
Admin Email (rname)
mark\@newman.gemserv.com
Serial
2015062799
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
pdns99.ultradns.org
pdns99.ultradns.biz
pdns99.ultradns.com
pdns99.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:88.222.138.0/24 ip4:54.86.14.32 ip4:151.101.66.159 ip4:151.101.194.159 ip4:35.246.98.70 ip4:20.77.153.36 ip4:34.89.40.160 include:flywheelsites.com include:mktomail.com include:sendgrid.net include:spf.ontinuity.co.uk include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;aspf=r;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
8 records- sending_domain1065982=52c096f3abdb5ce3337b83f53e50832ef880eee133244f1dcc8d3eb3889ab416
- SPFv=spf1 ip4:88.222.138.0/24 ip4:54.86.14.32 ip4:151.101.66.159 ip4:151.101.194.159 ip4:35.246.98.70 ip4:20.77.153.36 ip4:34.89.40.160 include:flywheelsites.com include:mktomail.com include:sendgrid.net include:spf.ontinuity.co.uk include:spf.protection.outlook.com -all
- MS=ms67493461
- msfpkey=68wt645ihjdc5m6c0ejf46bv5
- d365mktkey=57d9qurgcd4r9wqg8ebv2hgnw
- google-site-verification=KATVz1AVJUpnhbGJCteZJTWcXuMT5sl-KX3bjQKOBWM
- pardot1065982=57e3049c05c72722c252268297443d0305bc3085f487da43f8e836934d3564e5
- sending_domain688263=df330b1a80ce6b3cb220eca3d0bb58662e7f077bc1180ceec46d34a4059d1611
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 gemserv.com
SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.
Get 1,000 Free Credits