Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
astrolab.space
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:46:15 UTC · ↺ Refresh
MX Hostnames
- astrolab-space.mail.protection.outlook.com
MX Priorities
- astrolab-space.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.213.39 (no PTR)
- 104.21.45.106 (no PTR)
- 2606:4700:3035::ac43:d527
- 2606:4700:3036::6815:2d6a
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
austin.ns.cloudflare.com dns.cloudflare.com 2399705798 10000 2400 604800 1800
Primary NS (mname)
austin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399705798
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
austin.ns.cloudflare.com
lorna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.11.141.147 ip4:52.244.201.145 ip4:62.11.145.156 ip4:62.11.148.40 ip4:62.11.132.89 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
11 records- apple-domain-verification=FhrxHdXy7A2lABeL
- atlassian-domain-verification=66BdKgDtyGKN7ELlz3yfgmkSrqnlt/ZVdgsA6NEsfqFbyqmoMbMpXMiS2kOU9Yk2
- atlassian-domain-verification=JxtVUBrzucv9BXS5JPbRGh1eUg1Ska/w4zavu0VyvG5wOf4GHbBHRF7A1QRhl0Go
- autodesk-domain-verification=cz6Z2BBH7kob5P2nsMaN
- brevo-code:ac97066f11d7a17615d45103017aa95b
- cloudflare_dashboard_sso=f60801389fea89f02e504ec4d94f390c
- ms-domain-verification=66bf64dd-8a2d-4d02-a3d9-be48c5a4bf61
- smartsheet-site-validation=5hiGwQJOy72iAh1iylIMX9QJfL-PN4yu
- SPFv=spf1 ip4:62.11.141.147 ip4:52.244.201.145 ip4:62.11.145.156 ip4:62.11.148.40 ip4:62.11.132.89 include:spf.protection.outlook.com -all
- 480BF6A424
- MS=ms97678148
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