big.dk

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
big.dk
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 04:04:39 UTC ยท โ†บ Refresh

MX Hostnames

  • big-dk.mail.protection.outlook.com

MX Priorities

  • big-dk.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.150.1.1 (no PTR)

Mail Server IPs

  • 52.101.73.4 โ†ฉ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.26 โ†ฉ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.25 โ†ฉ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.0 โ†ฉ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c โ†ฉ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 โ†ฉ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 โ†ฉ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 โ†ฉ mail-as2pr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA arch.ns.cloudflare.com dns.cloudflare.com 2398755292 10000 2400 604800 1800
Primary NS (mname)
arch.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398755292
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dawn.ns.cloudflare.com
arch.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 mx a include:spf.mandrillapp.com include:spf.protection.outlook.com include:_spf.concurcompleat.com include:_spf.essenslms.com include:_spf.emply.com -all
๐Ÿ“Š DNS lookups: 7/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

19 records
  • xn--MS=ms67034159
  • adobe-idp-site-verification=56817f62-c418-4c5d-9dad-afe36f7672e6
  • MS=ms56749993
  • google-site-verification=5ZamKvM9WV-5xkC21Ums6xM9wMzt5CnIZHvqwl1DEf8
  • 375919af-4c2b-481f-bb46-a6d6c6c3dc8e
  • xn--MS=ms65969977
  • _globalsign-domain-verification=xNKfiysdxu76wDUjztkRc3jQlQdvwsWQ4INYpKM_4J
  • asv=bce8f38660b6e2a60fb7d9636f6c49a5
  • _bd803oc6q59l1wxfjppc3t27l3235c4
  • _globalsign-domain-verification=r7ERMOKUiSNi0Ut9iR-c1XV1U69wF1kj3DJyyR-yE6
  • miro-verification=da2deb365952c7c1ae25617b93bd35dbcc84843a
  • LT4DtvlU/tEpEFT99Q2HcJZYM8qWMU3sX53rEiCKaS/wD4bJP4GHWthTBU36ElL4KgNeo+exYZnLOYxoU3FzBA==
  • SPFv=spf1 mx a include:spf.mandrillapp.com include:spf.protection.outlook.com include:_spf.concurcompleat.com include:_spf.essenslms.com include:_spf.emply.com -all
  • airalo-domain-verification=dHFNyzglLpPtYcX
  • apple-domain-verification=51HpwC26mTD79c9J
  • autodesk-domain-verification=DXtK31VwmKupx9Dy02yo
  • bw=tAv2nQbTYs39YrPJJNkRx1kWHosSUrAZ98rhG1c0Ay4X
  • google-site-verification=PX1x9s_2aj_WljPQza7RF1KogMPl3pFNbirP2PAnQcE
  • google-site-verification=rqnNiYSUf3ZnigR6cMNlHO_jEXehJazUNOYE6SdjET4
Full email verification for big.dk

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits