Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arsmedium.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 17:09:41 UTC · ↺ Refresh
MX Hostnames
- arsmedium-com.mail.protection.outlook.com
MX Priorities
- arsmedium-com.mail.protection.outlook.com: 10
A / AAAA Records
- 159.69.107.67 ↩ static.67.107.69.159.clients.your-server.de
Mail Server IPs
- 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
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.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
ns1.pool2.omc-dns.de hostmaster.omc-dns.de 2026031902 3600 1200 1800000 300
Primary NS (mname)
ns1.pool2.omc-dns.de
Admin Email (rname)
hostmaster@omc-dns.de
Serial
2026031902
Refresh
3600s
Retry
1200s
Expire
1800000s
Minimum TTL
300s
Nameservers (NS)
ns1.pool2.omc-dns.de
ns2.pool2.omc-dns.de
ns5.pool2.omc-dns.com
ns6.pool2.omc-dns.com
ns4.pool2.omc-dns.com
ns3.pool2.omc-dns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf-de.emailsignatures365.com include:servers.mcsv.net include:spf.protection.outlook.com include:smtp-spf.bcs-hosting.de ip4:94.134.214.162 ip4:94.134.214.165 ip4:159.69.107.67 ip4:185.191.120.160 ip4:185.191.120.17 ip4:213.95.71.7 ip4:185.191.120.217 ip4:185.117.251.153 ip4:213.155.64.57 ip4:185.191.120.203 ip4:91.98.84.195 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=BQubpSRu11X1L5mUR1cL7PbjcvSlYokOx-lGGkFi6YA
- 6n0c557q1dnmwr3cmmd2f5qjvzjt874p
- SPFv=spf1 mx include:spf-de.emailsignatures365.com include:servers.mcsv.net include:spf.protection.outlook.com include:smtp-spf.bcs-hosting.de ip4:94.134.214.162 ip4:94.134.214.165 ip4:159.69.107.67 ip4:185.191.120.160 ip4:185.191.120.17 ip4:213.95.71.7 ip4:185.191.120.217 ip4:185.117.251.153 ip4:213.155.64.57 ip4:185.191.120.203 ip4:91.98.84.195 -all
- adobe-idp-site-verification=1aacf0f9df4501a46809161a18586ab89dcd97ac55a9c1884ebdd8fa18eb4615
- figma-domain-verification=4cce7d59f560ee4031e8540321d9c70c7d6e05bf001619db6469503e3f06ce10-1725275735
- MS=ms16359523
- apple-domain-verification=9rtXW0L3W6aqh5cE
Full email verification for arsmedium.com
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