teltec.de

Valid Email Server

Domain Overview

DNS: ✓ 16d ago Checker: ✓ 16d ago
teltec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 17:13:08 UTC · ↺ Refresh

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MX Hostnames

  • teltec-de.mail.protection.outlook.com

MX Priorities

  • teltec-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 104.26.5.251 (no PTR)
  • 172.67.72.38 (no PTR)
  • 104.26.4.251

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.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:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA archer.ns.cloudflare.com dns.cloudflare.com 2413227363 10000 2400 604800 1800
Primary NS (mname)
archer.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413227363
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lina.ns.cloudflare.com
archer.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.crsend.com include:spf.emailsignatures365.com include:spf.postal.avemio.group include:spf.brevo.com ip4:116.202.167.135 ip4:116.202.198.105 ip4:178.250.164.226 ip4:78.46.148.162 ip4:78.47.8.106 ip4:78.47.114.6 ip4:46.4.109.111 ip6:2a01:4f8:d0a:4046::2 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • SPFv=spf1 mx include:spf.protection.outlook.com include:spf.crsend.com include:spf.emailsignatures365.com include:spf.postal.avemio.group include:spf.brevo.com ip4:116.202.167.135 ip4:116.202.198.105 ip4:178.250.164.226 ip4:78.46.148.162 ip4:78.47.8.106 ip4:78.47.114.6 ip4:46.4.109.111 ip6:2a01:4f8:d0a:4046::2 -all
  • MS=62049ADF516476B6B44C034B12F170B3601F90DB
  • MS=ms13935015
  • anthropic-domain-verification-8s4jat=jxOb0I5wzl6VPCd0waYgpFx78
  • brevo-code:9a2efe48b566a6fec2eb2ccaa00447f9
  • canva-site-verification=gKiN5qWAzSemvrojSzL6Cg
  • google-site-verification=U7Ok4lrHmDW09YSAGSCPHVfz8tDdPZAQaCQ0L3-apEY
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