Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studiwerk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:23:20 UTC · ↺ Refresh
MX Hostnames
- studiwerk-de.mail.protection.outlook.com
MX Priorities
- studiwerk-de.mail.protection.outlook.com: 10
A / AAAA Records
- 136.199.39.23 ↩ www.studiwerk.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024121129 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024121129
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.de
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:mail.intern.studiwerk.com ip4:136.199.33.56 ip4:80.70.188.23 ip4:80.70.188.0/27 ip4:136.199.193.48 ip4:62.146.106.0/24 ip4:136.199.39.20 ip4:136.199.39.23 ip4:136.199.39.25 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:mail.intern.studiwerk.com ip4:136.199.33.56 ip4:80.70.188.23 ip4:80.70.188.0/27 ip4:136.199.193.48 ip4:62.146.106.0/24 ip4:136.199.39.20 ip4:136.199.39.23 ip4:136.199.39.25 ~all
- verifyvs=202012090839105c8dd55d92319f1a05b911e635833139
- MS=ACD2ACF34FBA2DE42158D7AB5BAE70F27D5B793E
- hibp-verify=dweb_u7j2sdw3rw1xk5vxuu3uyrc4
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