Domain Overview
DNS: ✓ 23h ago
Checker: ✓ 23h ago
gastransport.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 13:48:26 UTC · ↺ Refresh
MX Hostnames
- gastransport-nl.mail.protection.outlook.com
MX Priorities
- gastransport-nl.mail.protection.outlook.com: 10
A / AAAA Records
- 212.83.223.5 (no PTR)
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
jade.ns.cloudflare.com dns.cloudflare.com 2404599212 10000 2400 604800 1800
Primary NS (mname)
jade.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404599212
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ray.ns.cloudflare.com
jade.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:31.132.200.11 ip4:31.132.200.12 ip4:31.161.7.165 ip4:31.161.7.166 ip4:212.67.187.245 ip4:212.67.187.246 ip4:212.67.187.235 ip4:212.67.187.236 include:spfa.gasunie.nl include:spfb.gasunie.nl include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- v=msv1 t=2DEA18EB-244C-4562-94B3-8C45243CA977
- SPFv=spf1 ip4:31.132.200.11 ip4:31.132.200.12 ip4:31.161.7.165 ip4:31.161.7.166 ip4:212.67.187.245 ip4:212.67.187.246 ip4:212.67.187.235 ip4:212.67.187.236 include:spfa.gasunie.nl include:spfb.gasunie.nl include:spf.protection.outlook.com -all
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