Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
messer.com.vn
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 01:06:54 UTC · ↺ Refresh
MX Hostnames
- messer-com-vn.mail.protection.outlook.com
MX Priorities
- messer-com-vn.mail.protection.outlook.com: 0
A / AAAA Records
- 20.44.225.255 (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-b3.tenten.vn root.messer.com.vn 1773126277 3549 15 31536000 3600
Primary NS (mname)
ns-b3.tenten.vn
Admin Email (rname)
root@messer.com.vn
Serial
1773126277
Refresh
3549s
Retry
15s
Expire
31536000s
Minimum TTL
3600s
Nameservers (NS)
ns-b1.tenten.vn
ns-b2.tenten.vn
ns-b3.tenten.vn
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:202.151.175.0/27 ip4:103.104.123.0/24 include:spf.protection.outlook.com include:_spf.bkdata.vn -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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: 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
9 records- _globalsign-domain-verification=Ee3CZ8c2hicfluA1y1GGpp5tSrOJoATMflYpWo-twP
- _tx0pcx3of44feyxpzw3vtz2924i73k1
- apple-domain-verification=3cupP78H7iWbn39R
- SPFv=spf1 a mx ip4:202.151.175.0/27 ip4:103.104.123.0/24 include:spf.protection.outlook.com include:_spf.bkdata.vn -all
- _globalsign-domain-verification=Zo6wXHSrUjZPsTG9dtxbYfR-dwYCrSlgmJRqaikuWZ
- _uk3i5p7k3uh3vb91rxv4w9oqlj9gysl
- MS=ms90168333
- sophos-domain-verification=6402ef0bc3493f0a5b948a5fb5d9f33ca88da77b2eb59bc6ea7ae02cf68f00a7
- _pjo4bu9jp283fjqj1hfji8qhtcgpghw
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