Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guckenheimer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:52:16 UTC · ↺ Refresh
MX Hostnames
- guckenheimer-com.mail.protection.outlook.com
MX Priorities
- guckenheimer-com.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.web-solutions.dk hostmaster.web-solutions.eu 2018056821 28800 7200 2419200 21600
Primary NS (mname)
ns.web-solutions.dk
Admin Email (rname)
hostmaster@web-solutions.eu
Serial
2018056821
Refresh
28800s
Retry
7200s
Expire
2419200s
Minimum TTL
21600s
Nameservers (NS)
ns3.web-solutions.eu
ns4.web-solutions.eu
ns2.web-solutions.dk
ns.web-solutions.dk
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.brainier.com include:spf1.issworld.com ip4:12.97.83.211 ip4:12.97.83.216 ip4:184.106.54.101 ip4:54.183.12.106 ip4:54.183.209.18 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=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: 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
9 records- MS=ms88857550
- d365mktkey=OCrf7m5cpDmHB0h1uxx7zcrxdgzB22ulsb4vU3ynazAx
- CJtrp51v3lB8PRVPTFD0Zlv/lesw3S/Bo+lUiYawEHo=
- atlassian-domain-verification=FMeY3+5kiziiZERaJ6WbhKPELbSw9KGFHrTgIcOXWt4UeMvVEsUBb9K+47RYAbXq
- google-site-verification=MfuA-jWcR5Oh-3E0R11wgKTBHqru6Q2nb6Y5j_tircA
- pOzf4hvUKXnkVepKrGCF7+dKj1+xF4cxdNr+aI61PuM=
- globalsign-domain-verification=XCNL41tTOuINSOpn9LnuARe0xcz_QTt50zw50JqTki
- apple-domain-verification=AXVPPHqq5isc0JOO
- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.brainier.com include:spf1.issworld.com ip4:12.97.83.211 ip4:12.97.83.216 ip4:184.106.54.101 ip4:54.183.12.106 ip4:54.183.209.18 ~all
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