Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gulfcoastsoftware.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:36:08 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.com
- mx01.ionos.com
MX Priorities
- mx01.ionos.com: 10
- mx00.ionos.com: 10
A / AAAA Records
- 74.208.236.10 ↩ 74-208-236-10.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::2cf ↩ 2607-f1c0-100f-f000-0000-0000-0000-02cf.elastic-ssl.ui-r.com
Mail Server IPs
- 74.208.5.21 ↩ mx01.perfora.net
- 74.208.5.3 ↩ mx00.perfora.net
SOA Record
Raw SOA
ns1029.ui-dns.com hostmaster.1und1.com 2017060148 28800 7200 604800 600
Primary NS (mname)
ns1029.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060148
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1025.ui-dns.org
ns1116.ui-dns.biz
ns1123.ui-dns.de
ns1029.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com ~all
📊 DNS lookups: 1/10
~ 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
3 records- SPFv=spf1 include:_spf-us.ionos.com ~all
- MS=ms18794594
- MS=0A4C2198090F017116FA6E028089053051B4CE6F
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