Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
explorer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:05:17 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 217.29.41.178 ↩ vpro0178.proserver.punkt.de
- 2a00:b580:8000:11:4c4d:eefb:e476:108b ↩ vpro0178.proserver.punkt.de
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026022306 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026022306
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx mx:explorer.de ip4:91.217.174.180 ip4:167.89.85.154 ip4:185.139.76.171 mx:explorer-fernreisen.com mx:orca.de include:spf.protection.outlook.com a:_spf.peaknetworks.net include:26940702.spf06.hubspotemail.net include:spf.hornetsecurity.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- 5oduu9lfucjh2j7sdim4q7tplc
- MS=1F8172B90281BCA4374C6A04FAAF8E45AE35CD7E
- MS=ms84449801
- atlassian-domain-verification=LaJ/A8BPzA521/LwqEJhsHgJEARimEfAdie5gVKhALdE84SNgm4ewhNT3EpL6ioD
- facebook-domain-verification=bnq6u8117y2ebxwm7pxyvd21vu186m
- google-site-verification=aVspIrsAQLya1fMGRcuk2fZrPDdi2LV_y-jELZ46jlU
- google-site-verification=tdTrq-_zVzReGMMeCR9NufDvLRy5GMpLNepZZ8tEVBQ
- ivo9cgn36ie569prpbfrjkrnp0
- knowbe4-site-verification=cc119fcc80f82057a39ac5ced105680f
- r9ajc27natu92snvnkhrvb0997
- SPFv=spf1 a mx mx:explorer.de ip4:91.217.174.180 ip4:167.89.85.154 ip4:185.139.76.171 mx:explorer-fernreisen.com mx:orca.de include:spf.protection.outlook.com a:_spf.peaknetworks.net include:26940702.spf06.hubspotemail.net include:spf.hornetsecurity.com ~all
- 3hFJBSZMuGXllwMrMYo1fTgre6iB9x2jJpP634JOJbjvWOoqACcar0WqtlDKRpbD90XXCJplmNKR+JkW6eDVuw==
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