Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arcona.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 18:58:17 UTC · ↺ Refresh
MX Hostnames
- arcona-de.mail.protection.outlook.com
MX Priorities
- arcona-de.mail.protection.outlook.com: 10
A / AAAA Records
- 162.55.167.244 ↩ rhino27.nets.de
- 2a01:4f8:1c17:6c74::1 ↩ rhino27.nets.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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
SOA Record
Raw SOA
a.ns14.net domains.nets.de 2025100703 43200 7200 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@nets.de
Serial
2025100703
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
b.ns14.net
c.ns14.net
d.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.nets.de include:spf.protection.outlook.com ip4:212.83.36.150 ip4:213.70.228.37 ip4:213.70.228.38 ip4:62.113.218.162 ip4:62.113.218.163 ip4:62.113.218.164 ip4:80.82.206.0/26 ip4:185.98.184.0/24 ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 include:myincert.com include:_spf.sendnode.com include:belgacom.stepstone.com include:eu.rp.oracleemaildelivery.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;ruf=mailto:[email protected];adkim=r;aspf=s;fo=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
2 records- MS=ms65334346
- SPFv=spf1 mx include:spf.nets.de include:spf.protection.outlook.com ip4:212.83.36.150 ip4:213.70.228.37 ip4:213.70.228.38 ip4:62.113.218.162 ip4:62.113.218.163 ip4:62.113.218.164 ip4:80.82.206.0/26 ip4:185.98.184.0/24 ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 include:myincert.com include:_spf.sendnode.com include:belgacom.stepstone.com include:eu.rp.oracleemaildelivery.com -all
Full email verification for arcona.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits