Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gastro.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:22:37 UTC · ↺ Refresh
MX Hostnames
- gastro-org.mail.protection.outlook.com
MX Priorities
- gastro-org.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-690.awsdns-22.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-690.awsdns-22.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1910.awsdns-46.co.uk
ns-474.awsdns-59.com
ns-690.awsdns-22.net
ns-1299.awsdns-34.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- ip4:64.31.50.173"
- SPFv=spf1 include:spf.protection.outlook.com -all
- "v=spf1 a ip4:67.216.226.114 ip4:64.211.221.230 ip4:72.32.148.210 ip4:54.240.37.7 ip4:54.240.37.11
- "v=spf1 a
- _dmarc.gastro.org TTL IN TXT "v=DMARC1; p=quarantine; pct=100"
- d365mktkey=DAhQIgRc6DZuvR5FFPKw6hW6qHayZS21y0qJJx0rduox
- include:spf.protection.outlook.com include:mmsend.com include:spf.mandrillapp.com include:zcsend.net a:uranus.scholarone.com include:jangomail.com include:lsoft.com include:spfprotech1.gastro.org -all"
- ip4:63.143.55.136
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