Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vbschools.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:37:04 UTC · ↺ Refresh
MX Hostnames
- vbschools-com.mail.protection.outlook.com
MX Priorities
- vbschools-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
gail.ns.cloudflare.com dns.cloudflare.com 2397698504 10000 2400 604800 1800
Primary NS (mname)
gail.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397698504
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gail.ns.cloudflare.com
max.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:192.235.102.127 ip4:204.126.10.100 ip4:204.126.11.100 ip4:204.126.10.18 ip4:216.239.249.225 ip4:107.20.210.250 ip4:52.1.14.157 ip4:50.223.178.208 ip4:50.223.178.203 ip4:50.223.178.201 ip4:24.222.19.12 include:spf.protection.outlook.com include:_spf.google.com include:_spf.salesforce.com include:_spf.qualtrics.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
17 records- mdpcuc5ik2kdj571t3uo5j6ukr
- 4gdPyZcjCkB8G2XvllwXDTJC7lsRdheGMCuEAvfDVPNemwGBjXUezbsLLTo+Km9PHG3f1ThT3lqcJSxrvYVyRw==
- gbon62nlod5slaspdkr8fbh820
- MS=ms36575556
- docusign=1d889a3e-bc9a-462a-b556-c38627cfcc7b
- U3P+S47k1GBPv9NmYJ1dkKmYjjponC/l0ulEQ8ZQiKk3hAlWcq4FnGCrkokJ4dG+UP6dKTZrPFjknuJy1v7lnA==
- 44miv3d6qc1v9ec77c76edcr73
- MS=ms36575556
- google-site-verification=mXPHIPF56SP6FcLct1ehhIQshZyxmN6VsFIChkUeQfs
- SPFv=spf1 mx ip4:192.235.102.127 ip4:204.126.10.100 ip4:204.126.11.100 ip4:204.126.10.18 ip4:216.239.249.225 ip4:107.20.210.250 ip4:52.1.14.157 ip4:50.223.178.208 ip4:50.223.178.203 ip4:50.223.178.201 ip4:24.222.19.12 include:spf.protection.outlook.com include:_spf.google.com include:_spf.salesforce.com include:_spf.qualtrics.com -all
- google-site-verification=Y9bOmWJ1ZOXcCJ8Vs_TvYPKR9R7Fdl8uwwzk2bEdYG8
- 42hrc9eggm288p0suieo13di20
- ms-domain-verification=282d9510-cc3d-43fa-8818-f03a99cf3438
- Mt1nlmrw9AspylV85GpjAHOAWvpTNTDzJ0sUvEdGgyF0iq45ZgWr1swa8hv4UA+AOXaATXkEuPcij64TtzTclQ==
- s9s79k829cejcasd0e6tqlsm7h
- ms-domain-verification=b6fd5140-7a1d-4479-87cf-64e71f0dad2f
- Jl7dvsPwee6NxJ5QOU9dSvv20VkYXYRTzv2D+u6i/+VBYWnt1qK7iADuheigC4Sm2wdSJj9LedYlixZXp0zetA==
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