Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dethleffs.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 12:33:21 UTC · ↺ Refresh
MX Hostnames
- dethleffs-de.mail.protection.outlook.com
MX Priorities
- dethleffs-de.mail.protection.outlook.com: 0
A / AAAA Records
- 20.71.10.218 (no PTR)
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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
SOA Record
Raw SOA
ns1.eurodns.com hostmaster.eurodns.com 2026033102 43200 7200 1209600 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026033102
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.eurodns.com
ns4.eurodns.com
ns1.eurodns.com
ns2.eurodns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.237.186.104/29 ip4:80.150.147.40/29 ip4:80.156.209.240/28 ip4:193.158.20.64/26 ip4:193.26.15.211 include:agenturserver.de ip4:87.79.4.16 ip4:93.90.194.123 ip4:93.240.236.160/27 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
16 records- k8qmflvb9jpim0hfps231qs2oo
- google-site-verification=5QgtPCAzkGl-uafA3GGcGJJH_pfJi0bZXONUlV70Wts
- SPFv=spf1 ip4:217.237.186.104/29 ip4:80.150.147.40/29 ip4:80.156.209.240/28 ip4:193.158.20.64/26 ip4:193.26.15.211 include:agenturserver.de ip4:87.79.4.16 ip4:93.90.194.123 ip4:93.240.236.160/27 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.salesforce.com -all
- mindmanager-verification=6d5171c3ef38d075c464c880ba267cb1b2a269ed1517410f0bde1a54ac1a0713
- sophos-domain-verification=a3e869d2acf6a6927d57a0afb1e2a53c35bd0c87021ba09010bdd88ae8230d81
- DMARCv=DMARC1; p=reject; rua=mailto:[email protected];
- teamviewer-sso-verification=5601b3aa92fa469b9d566ccc7e4fb05c
- wdu6h7nw5a5pym7EWzyuSIGkSMIrTEbCfUPndjQmnSLg2mqB67r5cuC7ohY2s5raBLGGLuu203KXKkI9OeO/QQ==
- facebook-domain-verification=kyj0w6uvig0fvjg0lp97tn71ke8bar
- atlassian-domain-verification=BjheHJgLBOfMmUzmDmm3zn6WBtfUEfm2IuA5PYVzKvSoagj9pXHwiPEV3oUxNHhp
- google-site-verification=rnczLwkfFks0WLD4PFU_oV4r53n6hrjudd5zQPgx3LQ
- MS=ms51194629
- wVKHlZPao7v70wjFHEaBZxW/MuNHwQYFJ0g4Db9AzN7QZefd289FuK4Px24NbHfILGyFy/QW3RDpVTfJNYFsWg==
- webexdomainverification.47eb4f8623646b17e053ab06fc0a1ba0=ff2377ee-60ec-4997-acaf-510ea194e43d
- google-site-verification=9i7SEDE-0oiuZwZTCAu19CWEGAz96M1n7GfvPhij7AA
- adobe-idp-site-verification=6cc043fa32a00f20d7688fda39ae4ce378257b2c4815212cbc0923aa89be81a2
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