Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heise.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 01:42:40 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 193.99.144.80 ↩ redirector.heise.de
- 2a02:2e0:3fe:1001:302:: ↩ redirector.heise.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns.heise.de hostmaster.heise.de 2026031802 14400 3600 604800 86400
Primary NS (mname)
ns.heise.de
Admin Email (rname)
hostmaster@heise.de
Serial
2026031802
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.heise.de
ns2.pop-hannover.net
ns.plusline.de
ns.pop-hannover.de
ns.s.plusline.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:193.99.144.0/24 ip4:193.99.145.0/24 ip6:2a02:2e0:3fe:1001::/64 ip6:2a00:e68:14:800::/64 ip4:193.100.232.56 ip6:2a00:e68:14:801:bad::beef include:_spfdiv.heise.de include:spf.dsb.net include:spf.hornetsecurity.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._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
10 records- SPFv=spf1 ip4:193.99.144.0/24 ip4:193.99.145.0/24 ip6:2a02:2e0:3fe:1001::/64 ip6:2a00:e68:14:800::/64 ip4:193.100.232.56 ip6:2a00:e68:14:801:bad::beef include:_spfdiv.heise.de include:spf.dsb.net include:spf.hornetsecurity.com ~all
- apple-domain-verification=m53iQZB4O1uMxDGR
- google-site-verification=8kcKAZp-IbbJG7FQzRxIaUXv9Ku4qX0wgMrm_hx_L2s
- kT2+bTXGMSIudHQATflucV7vjLhdq9Y18pKTKJxs0O2IebE8seBu4vCAe9MBHYehuRJWwKKt1klytxF4vyuSpA==
- wUIdRqARf1uNkZkPoWGdYvEmK408vvKC3HKme1h/rnswYDphj9Ytgwt6K1Df1PQnW64Oi3t9c9uKoo989wv8xw==
- brevo-code:3022b29c6069a0b2ab4ad1eae06d06df
- tollbit-domain-verification=6fd594c990db1742b6cb34f3699d3944885e664c32333cf8cb176da9aac3ab71
- miro-verification=601d1e3e9623fe2102de9d6d215a2380ae5c69bd
- google-site-verification=7CvE9FRS3zv0wnl8KzLmVw0TSlQay6qOX_zGFm2wzWw
- docusign=b14b0107-39e4-44c2-b48f-944859786474
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