Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gbn-nienburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 03:18:35 UTC · ↺ Refresh
MX Hostnames
- gbnnienburg-de0i.mail.protection.outlook.com
MX Priorities
- gbnnienburg-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 80.82.223.240 ↩ nolis14.nol-is.de
- 2001:4ba0:92e0:240::1 ↩ nolis14.nol-is.de
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.norplex-communications.com technik.norplex.net 2026021702 14400 3600 2419200 3600
Primary NS (mname)
ns.norplex-communications.com
Admin Email (rname)
technik@norplex.net
Serial
2026021702
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns.norplex-communications.net
ns.norplex-communications.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.nol-is.de include:_spf.aareon.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; 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
4 records- SPFv=spf1 include:_spf.nol-is.de include:_spf.aareon.com include:spf.protection.outlook.com ~all
- apple-domain-verification=xiLJ4BLNWVaFPPMC
- sophos-domain-verification=a8d34498f38e039781cbff78a6b252f4ec3eddc1b24ff1875ea382c839e0836c
- goodnotes-verification=79416442-bfb6-418d-968d-703a58ebe329
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