Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gptx.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 00:09:45 UTC · ↺ Refresh
MX Hostnames
- d182397b.ess.barracudanetworks.com
- d182397a.ess.barracudanetworks.com
MX Priorities
- d182397a.ess.barracudanetworks.com: 10
- d182397b.ess.barracudanetworks.com: 20
A / AAAA Records
- 52.247.170.120 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns69.worldnic.com namehost.worldnic.com 126030617 10800 3600 604800 3600
Primary NS (mname)
ns69.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030617
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns69.worldnic.com
ns70.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:71.78.81.5 ip4:3.98.25.110 ip4:3.96.129.218 ip4:99.79.96.210 ip4:3.97.173.175 ip4:45.60.241.113 ip4:45.60.251.113 ip4:52.60.138.100 ip4:15.223.82.172 ip4:173.203.35.197 ip4:52.232.214.142 ip4:52.232.214.153 ip4:15.222.216.117 ip4:35.183.200.175 ip4:40.92.0.0/15 ip4:69.5.85.0/24 ip4:69.5.90.0/24 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:199.19.0.0/21 ip4:162.88.4.0/23 include:_spf0.gptx.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- globalsign-domain-verification=4FC2D386F63B312200268C747899F8E2
- nn2KCHf0UEhTOBGwmOLwufXQq1Ocp4/V3BQSnA+hGjSzasYJBRc4HVuosVjk7VN65GDHcJxDMdrz4Q4HSageLw==
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChgw0MWTXktrD2Zf9s4dftK6Mr6rwQtwsEYN71vKtG1kRDhsbSE9RhvpEs+VPAtSuHO/J/xoxryQYwr/yG6N+2D78MUMVWrk2O+m7YXnbrAGY+gYlHYRcTj0HLSm4g/RkMrp8IRkptrSzuVWlB2jRAVJh/1nJ/XFnfumf5svYfmwIDAQAB
- xyrdh1cg3tqy3jqwqb742j0s5kcm45gx
- apple-domain-verification=cnGmPW3d4MuoJs1b
- bw=arK+a7y7v4GxImVjlWO2Tu4s8GCO/Iq1/aRR8R830Mmi
- globalsign-domain-verification=7A0B6AB705E77CD854DFB28CC2C486E0
- SPFv=spf1 ip4:71.78.81.5 ip4:3.98.25.110 ip4:3.96.129.218 ip4:99.79.96.210 ip4:3.97.173.175 ip4:45.60.241.113 ip4:45.60.251.113 ip4:52.60.138.100 ip4:15.223.82.172 ip4:173.203.35.197 ip4:52.232.214.142 ip4:52.232.214.153 ip4:15.222.216.117 ip4:35.183.200.175 ip4:40.92.0.0/15 ip4:69.5.85.0/24 ip4:69.5.90.0/24 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:199.19.0.0/21 ip4:162.88.4.0/23 include:_spf0.gptx.org ~all
- MS=5E798F9A35041C3C9DA32D2FEFA496586BABA6F3
- MS=ms70888099
- globalsign-domain-verification=D97321787C61ABB21ED4982CB8240F98
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