Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gutenberg-rz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 18:01:25 UTC · ↺ Refresh
MX Hostnames
- gutenbergrz-de02c.mail.protection.outlook.com
MX Priorities
- gutenbergrz-de02c.mail.protection.outlook.com: 10
A / AAAA Records
- 85.13.136.216 ↩ dd15626.kasserver.com
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.niedersachsen.com dns.gutenberg-rz.de 2026020395 14400 3600 3600000 3600
Primary NS (mname)
ns0.niedersachsen.com
Admin Email (rname)
dns@gutenberg-rz.de
Serial
2026020395
Refresh
14400s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns0.niedersachsen.com
secondary004.dtag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.gutenberg-rz.de ip4:85.13.130.119 ip4:62.157.156.154 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; fo=1; ri=604800;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- vr4xOmDUnbws1esp3vspZRbN1aQXxmfHDLsrrq/Gx42Y0Npp21JnVfQLVYC3ikLtHuXIiKVlG3JfGV6kSkNJZg==
- SPFv=spf1 include:spf.protection.outlook.com include:spf.gutenberg-rz.de ip4:85.13.130.119 ip4:62.157.156.154 ~all
- google-site-verification=KDNP8ejdvacd4m9TmnWk3h61foA4ja091KhgY8QL_8U
- atlassian-domain-verification=eUNTXka08jy/UdjqEaoPplPXa7rPG2teyxDnP4NrIqTa6Iomf4l6lMdywhn1y4tT
- adobe-idp-site-verification=a20e8dd3-994a-4077-9e3d-0a099468e011
- amazonses:vj95vOxLNqAfmQIDate1Q6OsebyDxblDsfba58beexo=
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