Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
adlerplanetarium.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:44:18 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 141.193.213.21
- 141.193.213.20
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com hostmaster.adlerplanetarium.org 2018090733 10800 3600 86400 3600
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
hostmaster@adlerplanetarium.org
Serial
2018090733
Refresh
10800s
Retry
3600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns-cloud-c1.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c2.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.157.174.7 ip4:149.72.147.186 include:_spf.google.com include:cust-spf.exacttarget.com include:servers.mcsv.net include:_spf.intacct.com include:_spf.samanage.com include:spf.protection.outlook.com include:spf.ticketure.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms35314060
- 6ndajmtpniloaokf6i90edjc14
- google-site-verification=Zoz6T3gd_RDqlCY3RzIhifkswc9aUWaQga2rqSZdVYE
- slack-domain-verification=L29O0uWLZ4CZhvZbPdD2STupMSykqC6Wlrc9RpRt
- intacct-esk=678D1268BC333E8CE053AA06A8C00B14
- apple-domain-verification=cinGC3pkczHZRYhW
- solarwinds-service0desk-verification=e13dec3ec251235d3068ab34ff70e2c9
- SPFv=spf1 ip4:12.157.174.7 ip4:149.72.147.186 include:_spf.google.com include:cust-spf.exacttarget.com include:servers.mcsv.net include:_spf.intacct.com include:_spf.samanage.com include:spf.protection.outlook.com include:spf.ticketure.com -all
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