tectum-verlag.de

Valid Email Server
Domain Lookup › tectum-verlag.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tectum-verlag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 06:05:49 UTC · ↺ Refresh

MX Hostnames

  • tectumverlag-de01e.mail.protection.outlook.com

MX Priorities

  • tectumverlag-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.105.252.136 ↩ nomos00.fe.rzob.gocept.net
  • 2a02:248:101:62::1454 ↩ nomos00.fe.rzob.gocept.net

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns3.fcio.net support.flyingcircus.io 2026022702 10800 3600 604800 3600
Primary NS (mname)
ns3.fcio.net
Admin Email (rname)
support@flyingcircus.io
Serial
2026022702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.fcio.net
ns4.fcio.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a mx a:gw.nomos-elibrary.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com a mx a:gw.nomos-elibrary.de -all
  • google-site-verification=ODJ4Jhjw4f_BCkZN_Twc_FUlnYF3qTKV3oFMwSuC4_Y
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