Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grammer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 14:57:59 UTC · ↺ Refresh
MX Hostnames
- grammer-com.mail.protection.outlook.com
MX Priorities
- grammer-com.mail.protection.outlook.com: 10
A / AAAA Records
- 85.215.216.194 ↩ gra01.ueberbit.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.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
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net do-not-reply.grammer.com 2026011605 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@grammer.com
Serial
2026011605
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
d.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.153.226.20/31 include:spf.protection.outlook.com include:spf-inm.eqs-service.com ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:3.123.206.219 ip4:3.68.129.51 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:94.100.136.58 ip4:94.100.132.73 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
13 records- SPFv=spf1 ip4:62.153.226.20/31 include:spf.protection.outlook.com include:spf-inm.eqs-service.com ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:148.59.108.0/23 ip4:148.59.106.0/23 ip4:3.123.206.219 ip4:3.68.129.51 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:94.100.136.58 ip4:94.100.132.73 -all
- _globalsign-domain-verification=qsasyH5UL32e88vF4wMFrS8meMKbYbBh0j9jdQkawI
- webexdomainverification.=77bcfbd3-c508-4a13-87c0-899b8e5fe198
- MS=ms34923308
- google-site-verification=SdCMMeNG_vqvG7UtPGPRtTzhEna0VXNm0bIgnrGzP00
- 1d74e2e12d8f9b46e78478dc430c5d8b
- cisco-ci-domain-verification=26f91ed410bdcbf7e8a172f6cbd89002f19b6955f5e8b55a115085cd557e8b87
- ep4odbTI/tHVsJTyo8r8sNZLfUimWDjRlqI90FsOzt9ucolisgzdy/WY5N+pYgbttCr2rw6eXMuT4rFmHvy1TQ==
- cisco-ci-domain-verification=3c8288aca1da54f532e233a7c61a841c8411d2749b87e31cd6440fd18630acb5
- jmGn1-qMJd0AnykmaEmA
- 3b5b3e7752644cab22af6631702991e6
- [08:08] Englhardt Matthias atlassian-domain-verification=x3o4vqyWS4Dp8bs7JRWrXphuGABnd2a2yOdSraoan53WYpLpFOIdw3dQFqwvC1lQ
- globalsign-domain-verification=qsasyH5UL32e88vF4wMFrS8meMKbYbBh0j9jdQkawI
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 grammer.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits