Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nucleus-ag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:37:16 UTC · ↺ Refresh
MX Hostnames
- nucleusag-de01i.mail.protection.outlook.com
MX Priorities
- nucleusag-de01i.mail.protection.outlook.com: 10
A / AAAA Records
- 157.90.118.46 ↩ cloud03.webtonia.de
- 2a01:4f8:1c1e:4b48::1 ↩ cloud03.webtonia.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
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2026030967 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2026030967
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.net
ns.udag.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:antispameurope.com include:spf.protection.outlook.com include:_spf.rexx-suite.com include:spf.vema-eg.de include:spf-de.emailsignatures365.com ip4:46.163.115.232 ip4:52.157.149.216 ip4:195.30.231.225 ip4:62.146.106.0/24 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;
~ 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
1 record- SPFv=spf1 include:antispameurope.com include:spf.protection.outlook.com include:_spf.rexx-suite.com include:spf.vema-eg.de include:spf-de.emailsignatures365.com ip4:46.163.115.232 ip4:52.157.149.216 ip4:195.30.231.225 ip4:62.146.106.0/24 ~all
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