Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nak-sued.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:58:42 UTC · ↺ Refresh
MX Hostnames
- naksued-de0i.mail.protection.outlook.com
MX Priorities
- naksued-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 88.198.23.62 ↩ static.88-198-23-62.clients.your-server.de
- 2a01:4f8:222:2486::2 (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
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.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
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ada.ns.cloudflare.com dns.cloudflare.com 2399452582 10000 2400 604800 1800
Primary NS (mname)
ada.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399452582
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ada.ns.cloudflare.com
aragorn.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:nak-sued-intern.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:81.201.153.206 ip4:88.130.205.155 ip4:37.24.18.70 ip4:92.222.143.68 ip4:188.34.184.14 ip4:157.90.252.113 ip4:168.119.244.30 ip4:51.195.62.38 ip4:88.198.23.62 ip4:23.88.95.213 ip6:2a01:4f8:1061:11cf::2 ip6:2a01:4f8:222:2486::2 ip6:2001:41d0:700:4026:: include:spf.codepiraten.com include:_spf.axxerion.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- SPFv=spf1 a mx a:nak-sued-intern.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:81.201.153.206 ip4:88.130.205.155 ip4:37.24.18.70 ip4:92.222.143.68 ip4:188.34.184.14 ip4:157.90.252.113 ip4:168.119.244.30 ip4:51.195.62.38 ip4:88.198.23.62 ip4:23.88.95.213 ip6:2a01:4f8:1061:11cf::2 ip6:2a01:4f8:222:2486::2 ip6:2001:41d0:700:4026:: include:spf.codepiraten.com include:_spf.axxerion.com ~all
- MS=50685C96E3F9ABF8D7DC5C7A6AE269054E83F09B
- MS=ms67181625
- duo_sso_verification=5EioGI329DmkapoAhjeAD9lHtmyogCph5tq2v5PSmvn9R2YNcZvCbufEG6Fxo0jt
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