Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
struktol.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 21:30:45 UTC · ↺ Refresh
MX Hostnames
- struktol0365.mail.protection.outlook.com
MX Priorities
- struktol0365.mail.protection.outlook.com: 10
A / AAAA Records
- 88.99.59.121 ↩ your2.active-elements.de
- 2a01:4f8:10a:b90::3 ↩ your2.active-elements.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.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
ns1.telekom-domains.de dns.telekom.de 2025112406 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2025112406
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns2.telekom-domains.de
ns1.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.218.20.160/28 ip4:62.8.160.196 ip4:88.99.59.121 ip4:88.99.59.87 ip4:83.246.89.68 ip6:2a01:4f8:10a:b90::3 ip6:2a01:4f8:10a:b90::2 include:_spf.retarus.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- MS=ms15467647
- swisssign-check=jS9SDGCkCsFqaLz6iozUTQ6J0UMED2RG3bkcFIC35b
- apple-domain-verification=Du2sK81SZV44SWGW
- SPFv=spf1 ip4:193.218.20.160/28 ip4:62.8.160.196 ip4:88.99.59.121 ip4:88.99.59.87 ip4:83.246.89.68 ip6:2a01:4f8:10a:b90::3 ip6:2a01:4f8:10a:b90::2 include:_spf.retarus.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- wrike-verification=NjcxOTI3NToyMmYxMTZlMWRhY2JiNTQ4MjIxYzE2ZmRkN2E0NzhhN2ExZmE2MmVmYjZjNDgyZDBmMTI5MWE0YTAyNDRlOGZh
- knowbe4-site-verification=97a38333ef806e2380ccbb7fa9e831ef
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