Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castrop-rauxel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 11:22:07 UTC · ↺ Refresh
MX Hostnames
- mx01.gkd-re.net
- mx02.gkd-re.net
MX Priorities
- mx02.gkd-re.net: 10
- mx01.gkd-re.net: 10
A / AAAA Records
- 194.31.27.22 (no PTR)
Mail Server IPs
- 194.31.28.79 ↩ mx02.gkd-re.net
- 194.31.28.78 ↩ mx01.gkd-re.net
SOA Record
Raw SOA
dns1.gkd-re.net internetservice.gkd-re.de 2026032000 36000 10800 2592000 86400
Primary NS (mname)
dns1.gkd-re.net
Admin Email (rname)
internetservice@gkd-re.de
Serial
2026032000
Refresh
36000s
Retry
10800s
Expire
2592000s
Minimum TTL
86400s
Nameservers (NS)
ns3.inwx.eu
ns.inwx.de
ns2.inwx.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:194.31.16.0/20 ip6:2a02:100e:6b80::/48 ip4:168.119.121.16 include:_spf.pretix.eu include:spf.mailjet.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo 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
23 records- _66dmdf7g3zso94572xc1pkzq264betj
- qf993gl3q97pt58tx2gltfwgxfx9fvll
- _niu3gehfevvbn66m0fuq1owe4ta7mz4
- l0lhn0zt3kggrcpdhg1rklf1x49jh0kd
- _guq5e20vuuqw0x1uid1l8nnp41b9hya
- 5vl24mq36d6zlpjm6m7t5b97pqmqpwk8
- _5rli7kqy1e9bcalnjj4l2y5rqd8ivgp
- _hpp999fmfsi8ks5vmsd89mgqxulpyg4
- _0m47t03r1ljoux6wravvqxrd5qwijks
- KST:435505
- ttxxhm34prglr0f5v1084r52pwtl8q3z
- k4s5zr0mrjnxgzbgdsk611qv6zh0yyj4
- 0mk3zhjyfjzpw7fdlktc0ygw1nrcys7h
- _gv2gp9dxkwaf9gpbjygwycfrcbq96wt
- jjbzsh03ybq8kd67f1h57vl67wgm8z68
- _shbq8nqmtf84d81xy1kqe4n0pkcacsg
- 202112210018245k139bvexe2v21mrx6el8jcoybo5crddfk7zgp7godevq1h4r5
- _dri4cuh72csg5v05ugf5pqnm8x3p1a0
- _93jqn408zhckkmh8axz3mbyzuzh3rhl
- n5zjtb9hv98710y6cpsp6n2cs4jc5bf1
- SPFv=spf1 ip4:194.31.16.0/20 ip6:2a02:100e:6b80::/48 ip4:168.119.121.16 include:_spf.pretix.eu include:spf.mailjet.com ~all
- sophos-domain-verification=e37eb7467df00caa35888474388b7aec9cb65bfeb5279de861032d84c949558c
- 8fnb7vqn5mc7frz2rkl0v8h16678pkb2
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