act.de

Valid Email Server
Domain Lookup › act.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
act.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 19:17:06 UTC · ↺ Refresh

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MX Hostnames

  • mx03.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 40
  • mx03.hornetsecurity.com: 30
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA ns1100.ui-dns.com hostmaster.1und1.de 2016110338 28800 7200 604800 300
Primary NS (mname)
ns1100.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110338
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1100.ui-dns.de
ns1100.ui-dns.com
ns1100.ui-dns.biz
ns1100.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 a:mail.act.de a:mail2.act.de ip4:62.153.70.251 ip4:217.110.127.131 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.nl2go.com -all
📊 DNS lookups: 5/10
✓ 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: 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

9 records
  • d365mktkey=TvfF8q2wStTDovW2KmdOS891q3sZp05WIzu901Wd9PAx
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDju/ueZucyZvOFGBlqvFlGygHah9+mxpj6JDQDyDdR3DwC8q1HUmPOZoCvs8h1S7K65T63tFJ0AfAtdIcoejbtWJDpQO1u6ZljKe0IfWZCNIywR5Gqf8+JR5A9J0xyrbyxcn0g2LiI2ae8wi5poSN52dsJI4vtgCKIo4TC2ICXqwIDAQAB;
  • 1b2f48562e3793ab8f19ecd88ba33f31bebc925488cef0dcb5598d251887e9e
  • google-site-verification=i7_FEmD5bKVd8f2jIccFAbMiI3kaJQwROalxJ4iePls
  • brevo-code:e180fd31c4231bef2e4bdceb9b3da334
  • d365mktkey=0OxO9j6QoBGoso0PW3e290AKojcDFztqLVUl8Vcsqdkx
  • MS=ms76985741
  • MS=ms58921224
  • SPFv=spf1 a:mail.act.de a:mail2.act.de ip4:62.153.70.251 ip4:217.110.127.131 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.nl2go.com -all
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