Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
knipper.com
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-30 02:22:08 UTC ยท โบ Refresh
MX Hostnames
- mx2.knipper.iphmx.com
- mx1.knipper.iphmx.com
MX Priorities
- mx2.knipper.iphmx.com: 30
- mx1.knipper.iphmx.com: 30
A / AAAA Records
- 104.155.133.196 โฉ 196.133.155.104.bc.googleusercontent.com
Mail Server IPs
- 68.232.137.124 โฉ esa2.knipper.iphmx.com
- 68.232.140.119 โฉ esa1.knipper.iphmx.com
SOA Record
Raw SOA
ns67.worldnic.com namehost.worldnic.com 126031809 10800 3600 604800 3600
Primary NS (mname)
ns67.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031809
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns67.worldnic.com
ns68.worldnic.com
SPF Record
โ Soft Fail (~all)
v=spf1 mx a ip4:67.135.101.13/32 ip4:68.177.86.18/32 ip4:68.177.86.212/32 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:20164133.spf03.hubspotemail.net include:spf.odmad.quest-on-demand.com ~all
๐ DNS lookups: 7/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- smartsheet-site-validation=hsptU4faJIklw_897hvjV6E5ep2LJbis
- sending_domain1018512=bfce345db83c97411b7cfa3ce02e7541fb1eb54453cdcccd92b553e13575ff86
- crfpq2673kc4tnb80r9aatpjcj
- MS=33185F8131DECACF70F4BC9B884DA484A0325220
- 91ihjohq6itn2pio9jive45vlr
- AhGPVDGBWum/TFgM+AL0OCWTu4eoDNuEYFQ3cBOSvoWJpoouMA5rsmW4FLfRK5dyjQYaX3z9mU9SLLWaeFxb2w==
- MS=ms58546724
- 8lskpt7nbcqckgat26jhjtc38m
- SPFv=spf1 mx a ip4:67.135.101.13/32 ip4:68.177.86.18/32 ip4:68.177.86.212/32 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:20164133.spf03.hubspotemail.net include:spf.odmad.quest-on-demand.com ~all
- pardot1018512=31e3ae18f56fc35e07177c9db23b8912d89de582e47252bbe1916e7639b8a756
- atlassian-domain-verification=Kaim6jjceQr49M5W5Z9lUmS8Mp7cojK5hdMbOgTiXRfrpcbRrz6LbJrkYLraWtfx
- 3e4au0pbg6464koolgf81o7425
- cisco-ci-domain-verification=6088fb16aa8791d9255351e96cda5da7174512380d2893a2c5265390fb559fb3
- ocna2d59qt9u43qbst1jrjebnb
- google-site-verification=CkvJTAgmh_ClkOcMB-cJ_XXjVmmAUG_BLC7fE5S2t5s
- atlassian-sending-domain-verification=7642ae12-9b5c-4bc0-8930-6a262f22de62
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site ยท Customize โ
See demo & docs
Deep verification
Full email verification for knipper.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits