sip.de

Valid Email Server
Domain Lookup › sip.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sip.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 02:39:44 UTC · ↺ Refresh

MX Hostnames

  • balrog.sip.de

MX Priorities

  • balrog.sip.de: 10

A / AAAA Records

  • 77.90.130.160 ↩ homesite9.rapidnet.de

Mail Server IPs

  • 193.23.148.24 ↩ balrog.sip.de

SOA Record

Raw SOA ns.sip.de root.sipi.sip.de 2026030302 28800 7200 1209600 86400
Primary NS (mname)
ns.sip.de
Admin Email (rname)
root@sipi.sip.de
Serial
2026030302
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns.sip.de
ns2.rapidnet.de
ns.rapidnet.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:10.151.50.91 ip4:10.151.50.93 ip4:10.151.50.95 ip4:193.23.148.18 ip4:83.246.89.68 ip4:82.209.198.139 ip4:193.23.148.24 ip4:77.90.130.192 ip4:77.90.130.193 ip4:77.90.130.198 ip4:83.246.89.68 a:sipdeb1.rapidnet.de a:sipdeb2.rapidnet.de a:mail.salamander-windows.com a:spf.dvinci.de a:cleverreach.com a:mail.fp-sign.com a:mail.es.datagroup.de -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 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

4 records
  • l37jmn8txt1gv0zk2pjsm94kb5b8g01v
  • SPFv=spf1 mx ip4:10.151.50.91 ip4:10.151.50.93 ip4:10.151.50.95 ip4:193.23.148.18 ip4:83.246.89.68 ip4:82.209.198.139 ip4:193.23.148.24 ip4:77.90.130.192 ip4:77.90.130.193 ip4:77.90.130.198 ip4:83.246.89.68 a:sipdeb1.rapidnet.de a:sipdeb2.rapidnet.de a:mail.salamander-windows.com a:spf.dvinci.de a:cleverreach.com a:mail.fp-sign.com a:mail.es.datagroup.de -all
  • asv=f49611854f0ba548b24752aafa12d300
  • MS=ms69579444
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