Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sereducacional.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 03:31:03 UTC · ↺ Refresh
MX Hostnames
- sereducacional-com.mail.protection.outlook.com
MX Priorities
- sereducacional-com.mail.protection.outlook.com: 1
A / AAAA Records
- 179.185.57.181 ↩ sereducacional.static.gvt.net.br
- 189.20.207.21 ↩ 189-20-207-21.customer.tdatabrasil.net.br
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.sereducacional.com hostmaster.sereducacional.com 2026040209 43200 7200 1209600 3600
Primary NS (mname)
dns1.sereducacional.com
Admin Email (rname)
hostmaster@sereducacional.com
Serial
2026040209
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.sereducacional.com
dns1.sereducacional.com
dns3.sereducacional.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.199.41.40/29 ip4:179.185.54.131/32 ip4:187.33.91.34/32 ip4:123.45.6.7 include:mh.blackboard.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=d; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
12 records- _globalsign-domain-verification=Nbg08r4Iu4i7u8CdH3PM0WbdscHinewDRjS2_0O1O-
- _globalsign-domain-verification=6M4AsBRPhD57G5cQL0njggYsOtCzueeUQAOxv_pnIp
- _globalsign-domain-verification=BUrTTWMpUjSpbiftZLyuhVooJ7CUO-p2JAai_foqdB
- _globalsign-domain-verification=7QSLMBW6DzMri06maKeRCnflmsGuPo49_GPJjSdtEs
- asap-site-verification-cbd1faba-8435-434a-9b06-a6d4188f6de5
- sendinblue-site-verification=3211119
- v219h7snf2f76bv2pk3xlb2nfpxsq9pm
- facebook-domain-verification=i6s0ttbp3634yrc7u6oeca1vsarnms
- MS=ms17947315
- SPFv=spf1 ip4:200.199.41.40/29 ip4:179.185.54.131/32 ip4:187.33.91.34/32 ip4:123.45.6.7 include:mh.blackboard.com include:spf.protection.outlook.com -all
- sendinblue-site-verification=3095986
- 6j4rdf1yp0k33wpj9j3bztxmc0hgzs81
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